{"title":"Longan Cards","description":null,"products":[{"product_id":"1011001","title":"Temperature Sensor","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-3656b0c10228089b5d2aecd4468806160d1cf5837ab49b9854acb028431dc658.png?v=1789434222\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eAll objects around us have a temperature, and the temperature of objects varies with the conditions always. After the water is exposed to the sun, the temperature will be significantly increased. The average temperature varies greatly in cities of different latitudes. Even a person's body temperature can rise when he or she is ill with a fever.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eBy recording changes in temperature, much information can be learned that would otherwise be ignored. Temperature Card basically helps you get information about temperature changes of the air surround. For example, if the temperature changes in tiny plant greenhouse, you can know that in time. By measuring the temperature of home when working hours, you can tell how the air conditioner is working for your family or pet. To find out when the temperature is lowest at night, just keep a continuous record of the room's temperature. \u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eAfter making the state of temperature changes as signal input, you can control the output of many other Cards modules. High temperature warning, automatic control of air conditioning, DIY health monitoring can be easily achieved.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eTemperature Card features \u003cstrong\u003eLM75A\u003c\/strong\u003e which is a temperature-to-digital converter using an on-chip band gap temperature sensor and Sigma-delta A-to-D conversion technique. It supports two wire I2C bus interface.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eLongan Cards is a unique open source development platform designed by Longan Labs. As a plug and play development platform, Longan Cards allows you to quicky build wide array of prototypes and applications in no time. A full set of Arduino libraries and plenty of example codes are available to play with Longan Cards platform.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003chr\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003eSpec:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cdiv\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eVoltage: 5V\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eResolution: 0.125 degrees\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eTemperature Range: -55° C to 125° C\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eSupports two wire I2C bus interface\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eError of ± 3 ° C\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003cspan\u003eConnection: Goldfinger \/ Cable\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eDimension: 40.5 x 33 mm\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003c\/div\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003chr\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003eReferences:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003ca href=\"https:\/\/docs.longan-labs.cc\/1011001\/\" target=\"_blank\"\u003eHow to Use\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003ePinout:\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-62908db678f1882bbc83c1cd716fc026a6059515e6d950671ca8d065ea28bf9d.png?v=1789434227\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cstyle type=\"text\/css\" xml=\"space\"\u003e\u003c!--\np.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 12.0px 'Helvetica Neue'}\nspan.s1 {font: 12.0px '.PingFang SC'}\n--\u003e\u003c\/style\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003chr\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003ch2\u003e\u003cspan style=\"color: #ffc100;\"\u003e\u003cstrong\u003eLongan Cards:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003cspan\u003eL\u003cspan\u003eongan Cards is a unique \u003c\/span\u003e\u003cstrong\u003eopen-source development platform\u003c\/strong\u003e\u003cspan\u003e designed by Longan Labs. As a plug and play development tool, Longan Cards allows you to quickly build wide array of prototypes and applications in no time. A full set of Arduino libraries and plenty of example codes are available to play with Longan Cards system\u003c\/span\u003e.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-9b76fb10ba24e8bc5af37eff51bb51f602bd282328d38915024c673bcc77f1f9.png?v=1789434232\" alt=\"\"\u003e\u003cspan\u003e↑ \u003c\/span\u003eLongan Cards system consists of \u003cstrong\u003eCards and Boards\u003c\/strong\u003e. There are many gold finger antennas on Card and several gold finger sockets on Board. They are combined together through sockets interpolation, which is intuitive and easy to use. With this unified and flexible interface, you can realize a variety of ideas. Many more Boards with different themes would luanch to help people explore more fun.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-526bb3f8dac10feec33e032ce1794229f06c03c30f987200061aec6139281c70.png?v=1789434241\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e↑ \u003c\/span\u003eLongan Cards modules are classified into many types. Firstly, \u003cstrong\u003ethe main control cards\u003c\/strong\u003e which are the heart of Cards system, run the code and take charge of the exchange of data between modules. Besides Carduino, you can also use MicroBit, Arduino and other development board through connection board. \u003cstrong\u003eThe sensor cards\u003c\/strong\u003e can detect data of surrounding such as temperature and air pressure, etc. \u003cstrong\u003eThe inputs cards\u003c\/strong\u003e allows you to do some operations, such as buttons, knobs, etc. \u003cstrong\u003eThe output cards\u003c\/strong\u003e give feedback in various forms, such as buzzers, motor drives, etc. \u003cstrong\u003eThe communication cards\u003c\/strong\u003e can transmit data in many ways, such as Bluetooth and 4G network. \u003cstrong\u003eThe power cards\u003c\/strong\u003e supply power for electronic projects, including batteries, DC, etc. And \u003cstrong\u003eother cards\u003c\/strong\u003e, mainly do some auxiliary work, such as expansion, code downloading, etc.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-c8d221ef6443805fd9ecb10dac268c79ea7d186ccc1eff07110575ee9ceb56c9.png?v=1789434246\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e↑ STEM is an acronym for \u003cstrong\u003escience\u003c\/strong\u003e,\u003cstrong\u003e technology\u003c\/strong\u003e,\u003cstrong\u003e engineering\u003c\/strong\u003e, and\u003cstrong\u003e math\u003c\/strong\u003e. STEM education began in the United States in the 1990s. It is an interdisciplinary teaching method that combines STEM content and real life situations, which helps stimulate students’ original curiosity and thirst for knowledge and novelty. Longan Cards contains dozens of modules, involving a wide range of knowledge in the process of use, including electronic circuit, mechanical structurenature, programming, science of nature, daily wisdom, and humanities, etc. It is a powerful tool for STEM education at fields of electronic prototyping, science experimentation and DIY project.\u003c\/span\u003e\u003c\/p\u003e","brand":"Longan Labs","offers":[{"title":"Default Title","offer_id":55012241375598,"sku":"1011001","price":24.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/1011001-11.jpg?v=1789355518"},{"product_id":"1016007","title":"AAA Battery Card","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-faec4ecff9b3e39a2aab671e2b9ec4a71a7a2cf5f23e793e29c441846c453f20.png?v=1789434254\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eDry battery is one of the most commonly used power supply, convenient, small size, and easy to access. It is widely used in a variety of small electronic equipment, such as remote control, razor, clock, and toy car, etc. As early as 1800, the prototype of battery was invented. It finally became what it is now after a long history of development and evolution.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eAccording to the size of dry battery, there are several different models. The most commonly used models are AA and AAA. Dry batteries has tow sides, positive and negative. When using, it should be placed into the battery holder correctly as the icons tells. Whit this, it is quite easy to maintain wireless mobile power for various electronic projects.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eAAA battery Card efficiently provides 5V-800mA from two alkaline or rechargeable batteries. It is based on the \u003cstrong\u003ePS7516\u003c\/strong\u003e high efficiency PWM DC\/DC converter, allowing the output to remain 5V regulated for input voltages down to 1.9V, depending on the load current.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eLongan Cards is a unique open source development platform designed by Longan Labs. As a plug and play development platform, Longan Cards allows you to quicky build wide array of prototypes and applications in no time. A full set of Arduino libraries and plenty of example codes are available to play with Longan Cards platform.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003eNOTE:\u003c\/strong\u003e AAA battery is NOT included.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003chr\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003eSpec:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cdiv\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eOutput: 5V@500mA\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e2xAAA Battery\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003ePower indicator LED\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003ePower ON\/OFF switch\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eFeatured PS7516 DC\/DC converter\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003cspan\u003eConnection: Goldfinger \/ Cable\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eDimension: mm\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003c\/div\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003chr\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003eReferences:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003ca href=\"https:\/\/docs.longan-labs.cc\/1016007\/\" target=\"_blank\"\u003eHow to Use\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003ePinout:\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-62908db678f1882bbc83c1cd716fc026a6059515e6d950671ca8d065ea28bf9d.png?v=1789434227\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cstyle type=\"text\/css\" xml=\"space\"\u003e\u003c!--\np.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 12.0px 'Helvetica Neue'}\nspan.s1 {font: 12.0px '.PingFang SC'}\n--\u003e\u003c\/style\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003chr\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003ch2\u003e\u003cspan style=\"color: #ffc100;\"\u003e\u003cstrong\u003eLongan Cards:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003cspan\u003eL\u003cspan\u003eongan Cards is a unique \u003c\/span\u003e\u003cstrong\u003eopen-source development platform\u003c\/strong\u003e\u003cspan\u003e designed by Longan Labs. As a plug and play development tool, Longan Cards allows you to quickly build wide array of prototypes and applications in no time. A full set of Arduino libraries and plenty of example codes are available to play with Longan Cards system\u003c\/span\u003e.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-9b76fb10ba24e8bc5af37eff51bb51f602bd282328d38915024c673bcc77f1f9.png?v=1789434232\" alt=\"\"\u003e\u003cspan\u003e↑ \u003c\/span\u003eLongan Cards system consists of \u003cstrong\u003eCards and Boards\u003c\/strong\u003e. There are many gold finger antennas on Card and several gold finger sockets on Board. They are combined together through sockets interpolation, which is intuitive and easy to use. With this unified and flexible interface, you can realize a variety of ideas. Many more Boards with different themes would luanch to help people explore more fun.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-526bb3f8dac10feec33e032ce1794229f06c03c30f987200061aec6139281c70.png?v=1789434241\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e↑ \u003c\/span\u003eLongan Cards modules are classified into many types. Firstly, \u003cstrong\u003ethe main control cards\u003c\/strong\u003e which are the heart of Cards system, run the code and take charge of the exchange of data between modules. Besides Carduino, you can also use MicroBit, Arduino and other development board through connection board. \u003cstrong\u003eThe sensor cards\u003c\/strong\u003e can detect data of surrounding such as temperature and air pressure, etc. \u003cstrong\u003eThe inputs cards\u003c\/strong\u003e allows you to do some operations, such as buttons, knobs, etc. \u003cstrong\u003eThe output cards\u003c\/strong\u003e give feedback in various forms, such as buzzers, motor drives, etc. \u003cstrong\u003eThe communication cards\u003c\/strong\u003e can transmit data in many ways, such as Bluetooth and 4G network. \u003cstrong\u003eThe power cards\u003c\/strong\u003e supply power for electronic projects, including batteries, DC, etc. And \u003cstrong\u003eother cards\u003c\/strong\u003e, mainly do some auxiliary work, such as expansion, code downloading, etc.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-c8d221ef6443805fd9ecb10dac268c79ea7d186ccc1eff07110575ee9ceb56c9.png?v=1789434246\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e↑ STEM is an acronym for \u003cstrong\u003escience\u003c\/strong\u003e,\u003cstrong\u003e technology\u003c\/strong\u003e,\u003cstrong\u003e engineering\u003c\/strong\u003e, and\u003cstrong\u003e math\u003c\/strong\u003e. STEM education began in the United States in the 1990s. It is an interdisciplinary teaching method that combines STEM content and real life situations, which helps stimulate students’ original curiosity and thirst for knowledge and novelty. Longan Cards contains dozens of modules, involving a wide range of knowledge in the process of use, including electronic circuit, mechanical structurenature, programming, science of nature, daily wisdom, and humanities, etc. It is a powerful tool for STEM education at fields of electronic prototyping, science experimentation and DIY project.\u003c\/span\u003e\u003c\/p\u003e","brand":"Longan Labs","offers":[{"title":"Default Title","offer_id":55012253303150,"sku":"1016007","price":23.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/1016007-1_1.jpg?v=1789355741"},{"product_id":"1013007","title":"Carduino 32U4","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-d7c5d7ce98f4f140f468cc5a800966e308bcebf3efb191f604686ed5870168c7.png?v=1789434258\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eBesides all kinds of sensors, the most important one in the electronic project is the master control. It's like the brain in human body, or the CPU in a computer. Arduino, Raspberry Pie, and MicroBits are common and popular controller boards. You can write code in IDE on a computer and download it to controller board through USB cable. As long as there is a power supply, the controller board can independently run the code inside.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eCarduino is the controller board of Longan Cards, named after the word card and a nod to Arduino. As the name implies, Carduino is available to work with Arduino IDE easily. Arduino-based code resources in the community are also available.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eCarduino can perform a variety of operations, the most basic and commonly used one is logic IF. If condition A is satisfied, action B would be triggered. With rich input and output modules of Longan Cards , many functions and ideas can be realized. If the temperature is above 28℃, switch on the air condition. If someone approaches your door at night, turn on the lights and take a picture.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003eCarduino is the new development board belongs to the Longan Cards Family. As its name implies it is small as ½ of a credit card, thin, and light weight. Carduino is pluggable, which means you can plug it to one of the following boards.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eAt the Carduino’s heart is an \u003cstrong\u003eATmega32U4\u003c\/strong\u003e microprocessor and powered with the Arduino Leonardo bootloader allows you to program it using the Arduino IDE. We have written some exciting Arduino libraries that lets you to quickly develop applications.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eLongan Cards is a unique open source development platform designed by Longan Labs. As a plug and play development platform, Longan Cards allows you to quicky build wide array of prototypes and applications in no time. A full set of Arduino libraries and plenty of example codes are available to play with Longan Cards platform.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003chr\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003eSpec:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cdiv\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eATmega32u4 @16Mhz clock speed\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003cspan\u003e\u003cspan\u003e\u003c\/span\u003e32KB of flash memory which 4KB used by bootloader\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003cspan\u003e\u003cspan\u003e\u003cspan\u003eThree-way selectable switch to use with game board\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003cspan\u003e\u003cspan\u003e\u003cspan\u003e\u003cspan\u003ePreloaded with the Arduino Leonardo bootloader\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003cspan\u003e\u003cspan\u003e\u003cspan\u003e\u003cspan\u003e\u003c\/span\u003eBuilt-in USB communication\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e3.3V or 5V logic\/power\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eProgrammable LED\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003cspan\u003eType-C USB connector\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003cspan\u003eConnection: Goldfinger \/ Cable\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eDimension: 40.5 x 33 mm\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003c\/div\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003chr\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003eReferences:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003ca href=\"https:\/\/docs.longan-labs.cc\/1013007\/\" target=\"_blank\"\u003eHow to Use\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003ePinout:\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-62908db678f1882bbc83c1cd716fc026a6059515e6d950671ca8d065ea28bf9d.png?v=1789434227\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cstyle type=\"text\/css\" xml=\"space\"\u003e\u003c!--\np.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 12.0px 'Helvetica Neue'}\nspan.s1 {font: 12.0px '.PingFang SC'}\n--\u003e\u003c\/style\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003chr\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003ch2\u003e\u003cspan style=\"color: #ffc100;\"\u003e\u003cstrong\u003eLongan Cards:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003cspan\u003eL\u003cspan\u003eongan Cards is a unique \u003c\/span\u003e\u003cstrong\u003eopen-source development platform\u003c\/strong\u003e\u003cspan\u003e designed by Longan Labs. As a plug and play development tool, Longan Cards allows you to quickly build wide array of prototypes and applications in no time. A full set of Arduino libraries and plenty of example codes are available to play with Longan Cards system\u003c\/span\u003e.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-9b76fb10ba24e8bc5af37eff51bb51f602bd282328d38915024c673bcc77f1f9.png?v=1789434232\" alt=\"\"\u003e\u003cspan\u003e↑ \u003c\/span\u003eLongan Cards system consists of \u003cstrong\u003eCards and Boards\u003c\/strong\u003e. There are many gold finger antennas on Card and several gold finger sockets on Board. They are combined together through sockets interpolation, which is intuitive and easy to use. With this unified and flexible interface, you can realize a variety of ideas. Many more Boards with different themes would luanch to help people explore more fun.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-526bb3f8dac10feec33e032ce1794229f06c03c30f987200061aec6139281c70.png?v=1789434241\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e↑ \u003c\/span\u003eLongan Cards modules are classified into many types. Firstly, \u003cstrong\u003ethe main control cards\u003c\/strong\u003e which are the heart of Cards system, run the code and take charge of the exchange of data between modules. Besides Carduino, you can also use MicroBit, Arduino and other development board through connection board. \u003cstrong\u003eThe sensor cards\u003c\/strong\u003e can detect data of surrounding such as temperature and air pressure, etc. \u003cstrong\u003eThe inputs cards\u003c\/strong\u003e allows you to do some operations, such as buttons, knobs, etc. \u003cstrong\u003eThe output cards\u003c\/strong\u003e give feedback in various forms, such as buzzers, motor drives, etc. \u003cstrong\u003eThe communication cards\u003c\/strong\u003e can transmit data in many ways, such as Bluetooth and 4G network. \u003cstrong\u003eThe power cards\u003c\/strong\u003e supply power for electronic projects, including batteries, DC, etc. And \u003cstrong\u003eother cards\u003c\/strong\u003e, mainly do some auxiliary work, such as expansion, code downloading, etc.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-c8d221ef6443805fd9ecb10dac268c79ea7d186ccc1eff07110575ee9ceb56c9.png?v=1789434246\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e↑ STEM is an acronym for \u003cstrong\u003escience\u003c\/strong\u003e,\u003cstrong\u003e technology\u003c\/strong\u003e,\u003cstrong\u003e engineering\u003c\/strong\u003e, and\u003cstrong\u003e math\u003c\/strong\u003e. STEM education began in the United States in the 1990s. It is an interdisciplinary teaching method that combines STEM content and real life situations, which helps stimulate students’ original curiosity and thirst for knowledge and novelty. Longan Cards contains dozens of modules, involving a wide range of knowledge in the process of use, including electronic circuit, mechanical structurenature, programming, science of nature, daily wisdom, and humanities, etc. It is a powerful tool for STEM education at fields of electronic prototyping, science experimentation and DIY project.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003chr\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003ePCS\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eThe above product not fully meet your needs? \u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003eClick \u003c\/span\u003e\u003ca style=\"font-size: medium;\" href=\"https:\/\/www.longan-labs.cc\/blog\/post\/pcs\/\" target=\"_blank\"\u003e\u003cstrong\u003eHERE\u003c\/strong\u003e\u003c\/a\u003e\u003cspan style=\"font-size: medium;\"\u003e to know PCS (Product Customization Service).\u003c\/span\u003e\u003c\/p\u003e","brand":"Longan Labs","offers":[{"title":"Default Title","offer_id":55012253401454,"sku":"1013007","price":38.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/1013007-1.jpg?v=1789355755"},{"product_id":"1012002","title":"Buzzer Card","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-0ac61f8580c24fb5ec130d0efb49c731f0a020555f5c324cb69c9fdee5a0278d.png?v=1789434263\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eBuzzer is a very simple sound making device, emitting \"beep\" sound through driving internal sound structure with current. Because of its low cost and stable performance, buzzer is widely used in electronic products as an operation prompt. You will often hear a beep when using a printer, phone, timer, or alarm.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eThe tone of buzzer is fixed. Howerer the frequency of sound can be changed to get different beeps by adjusting the input signal. In this way, you can turn a full melody into codes and make the buzzer sing. ↓\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-03fd26cc56f3cc5c19eb6e459dff05a692febb3168fbc3abc06ad5aa5321da36.jpg?v=1789434268\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eBuzzer Card allows you to make sounds and music, or alerts when something interesting happens.It works by making use of a single I\/O pins on a Carduino.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003chr\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003eSpec:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cdiv\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eSmall SMD buzzer\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eSupports ADC\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eTwo way switch\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eLED indicator\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eI2C and UART test point\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003cspan\u003eConnection: Goldfinger \/ Cable\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eDimension: 40.5 x 33 mm\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003c\/div\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003chr\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003eReferences:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003ca href=\"https:\/\/docs.longan-labs.cc\/1012002\/\" target=\"_blank\"\u003eHow to Use\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003ePinout:\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-62908db678f1882bbc83c1cd716fc026a6059515e6d950671ca8d065ea28bf9d.png?v=1789434227\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cstyle type=\"text\/css\" xml=\"space\"\u003e\u003c!--\np.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 12.0px 'Helvetica Neue'}\nspan.s1 {font: 12.0px '.PingFang SC'}\n--\u003e\u003c\/style\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003chr\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003ch2\u003e\u003cspan style=\"color: #ffc100;\"\u003e\u003cstrong\u003eLongan Cards:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003cspan\u003eL\u003cspan\u003eongan Cards is a unique \u003c\/span\u003e\u003cstrong\u003eopen-source development platform\u003c\/strong\u003e\u003cspan\u003e designed by Longan Labs. As a plug and play development tool, Longan Cards allows you to quickly build wide array of prototypes and applications in no time. A full set of Arduino libraries and plenty of example codes are available to play with Longan Cards system\u003c\/span\u003e.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-9b76fb10ba24e8bc5af37eff51bb51f602bd282328d38915024c673bcc77f1f9.png?v=1789434232\" alt=\"\"\u003e\u003cspan\u003e↑ \u003c\/span\u003eLongan Cards system consists of \u003cstrong\u003eCards and Boards\u003c\/strong\u003e. There are many gold finger antennas on Card and several gold finger sockets on Board. They are combined together through sockets interpolation, which is intuitive and easy to use. With this unified and flexible interface, you can realize a variety of ideas. Many more Boards with different themes would luanch to help people explore more fun.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-526bb3f8dac10feec33e032ce1794229f06c03c30f987200061aec6139281c70.png?v=1789434241\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e↑ \u003c\/span\u003eLongan Cards modules are classified into many types. Firstly, \u003cstrong\u003ethe main control cards\u003c\/strong\u003e which are the heart of Cards system, run the code and take charge of the exchange of data between modules. Besides Carduino, you can also use MicroBit, Arduino and other development board through connection board. \u003cstrong\u003eThe sensor cards\u003c\/strong\u003e can detect data of surrounding such as temperature and air pressure, etc. \u003cstrong\u003eThe inputs cards\u003c\/strong\u003e allows you to do some operations, such as buttons, knobs, etc. \u003cstrong\u003eThe output cards\u003c\/strong\u003e give feedback in various forms, such as buzzers, motor drives, etc. \u003cstrong\u003eThe communication cards\u003c\/strong\u003e can transmit data in many ways, such as Bluetooth and 4G network. \u003cstrong\u003eThe power cards\u003c\/strong\u003e supply power for electronic projects, including batteries, DC, etc. And \u003cstrong\u003eother cards\u003c\/strong\u003e, mainly do some auxiliary work, such as expansion, code downloading, etc.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-c8d221ef6443805fd9ecb10dac268c79ea7d186ccc1eff07110575ee9ceb56c9.png?v=1789434246\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e↑ STEM is an acronym for \u003cstrong\u003escience\u003c\/strong\u003e,\u003cstrong\u003e technology\u003c\/strong\u003e,\u003cstrong\u003e engineering\u003c\/strong\u003e, and\u003cstrong\u003e math\u003c\/strong\u003e. STEM education began in the United States in the 1990s. It is an interdisciplinary teaching method that combines STEM content and real life situations, which helps stimulate students’ original curiosity and thirst for knowledge and novelty. Longan Cards contains dozens of modules, involving a wide range of knowledge in the process of use, including electronic circuit, mechanical structurenature, programming, science of nature, daily wisdom, and humanities, etc. It is a powerful tool for STEM education at fields of electronic prototyping, science experimentation and DIY project.\u003c\/span\u003e\u003c\/p\u003e","brand":"Longan Labs","offers":[{"title":"Default Title","offer_id":55012253434222,"sku":"1012002","price":24.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/1012002-1.jpg?v=1789355768"},{"product_id":"1011010","title":"Light Sensor Card","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-afea02a4cd0619abcd4a8fadbd8eda2ea0a9d709f5d692c70de2f93144472ac0.png?v=1789434273\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eLight is ubiquitous in the world around us. The sun, a lamp, a monitor, a candle are all objects that give off light. Objects that do not emit light are seen by reflecting light into the human eyes. The oldest example is the moon. ↓\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-f4c546b855152ccece7e5f5a9bc7b8e394989a2c7113438da7bc998b2382e1bf.jpg?v=1789434278\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eLight Sensor Card measures the intensity, or brightness, of the Light. This is done with photoresistors. When light intensity increases, the resistance value of photoresistor decreases, while the resistance value increases when light intensity decreases. Through this rule, we can transform the change of light intensity into the signal of the circuit for further analysis and control. ↓\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-dbe0d6df04eb220d7d41a46ca52e3d75f63bb982fb8fe938f0cc818932797bc8.png?v=1789434283\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eMany environmental information can be obtained by detecting the change of light intensity, such as the time range of day or night, and whether the lamp is turned on or not inside house. Light is also a simple wireless control signal. We can control a mechanical car by the light of the torch.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eLight Sensor Card features \u003cstrong\u003eTEMT6000\u003c\/strong\u003e ambient light sensor. It is sensitive to the visible spectrum. With Light Sensor Card, you can bring the ability to detect light level to any project\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003e. \u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003eIt outputs values ranging from 0 - 1023 where 0 indicates dark and 1023 indicates bright light. If you want to get the visible light intensity in lux (lx), check out our other version here.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003eNOTE:\u003c\/strong\u003e Light Sensor Card supports two wire I2C bus interface.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003chr\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003eSpec:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cdiv\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eAdapted to human eye responsivity\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eWide angle of half sensitivity ϕ = ± 60°\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eSupports two wire I2C bus interface\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eVoltage: 5V\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003cspan\u003eConnection: Goldfinger \/ Cable\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eDimension: 40.5 x 33 mm\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003c\/div\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003chr\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003eReferences:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003ca href=\"https:\/\/docs.longan-labs.cc\/1011010\/\" target=\"_blank\"\u003eHow to Use\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003ePinout:\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-62908db678f1882bbc83c1cd716fc026a6059515e6d950671ca8d065ea28bf9d.png?v=1789434227\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cstyle type=\"text\/css\" xml=\"space\"\u003e\u003c!--\np.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 12.0px 'Helvetica Neue'}\nspan.s1 {font: 12.0px '.PingFang SC'}\n--\u003e\u003c\/style\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003chr\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003ch2\u003e\u003cspan style=\"color: #ffc100;\"\u003e\u003cstrong\u003eLongan Cards:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003cspan\u003eL\u003cspan\u003eongan Cards is a unique \u003c\/span\u003e\u003cstrong\u003eopen-source development platform\u003c\/strong\u003e\u003cspan\u003e designed by Longan Labs. As a plug and play development tool, Longan Cards allows you to quickly build wide array of prototypes and applications in no time. A full set of Arduino libraries and plenty of example codes are available to play with Longan Cards system\u003c\/span\u003e.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-9b76fb10ba24e8bc5af37eff51bb51f602bd282328d38915024c673bcc77f1f9.png?v=1789434232\" alt=\"\"\u003e\u003cspan\u003e↑ \u003c\/span\u003eLongan Cards system consists of \u003cstrong\u003eCards and Boards\u003c\/strong\u003e. There are many gold finger antennas on Card and several gold finger sockets on Board. They are combined together through sockets interpolation, which is intuitive and easy to use. With this unified and flexible interface, you can realize a variety of ideas. Many more Boards with different themes would luanch to help people explore more fun.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-526bb3f8dac10feec33e032ce1794229f06c03c30f987200061aec6139281c70.png?v=1789434241\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e↑ \u003c\/span\u003eLongan Cards modules are classified into many types. Firstly, \u003cstrong\u003ethe main control cards\u003c\/strong\u003e which are the heart of Cards system, run the code and take charge of the exchange of data between modules. Besides Carduino, you can also use MicroBit, Arduino and other development board through connection board. \u003cstrong\u003eThe sensor cards\u003c\/strong\u003e can detect data of surrounding such as temperature and air pressure, etc. \u003cstrong\u003eThe inputs cards\u003c\/strong\u003e allows you to do some operations, such as buttons, knobs, etc. \u003cstrong\u003eThe output cards\u003c\/strong\u003e give feedback in various forms, such as buzzers, motor drives, etc. \u003cstrong\u003eThe communication cards\u003c\/strong\u003e can transmit data in many ways, such as Bluetooth and 4G network. \u003cstrong\u003eThe power cards\u003c\/strong\u003e supply power for electronic projects, including batteries, DC, etc. And \u003cstrong\u003eother cards\u003c\/strong\u003e, mainly do some auxiliary work, such as expansion, code downloading, etc.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-c8d221ef6443805fd9ecb10dac268c79ea7d186ccc1eff07110575ee9ceb56c9.png?v=1789434246\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e↑ STEM is an acronym for \u003cstrong\u003escience\u003c\/strong\u003e,\u003cstrong\u003e technology\u003c\/strong\u003e,\u003cstrong\u003e engineering\u003c\/strong\u003e, and\u003cstrong\u003e math\u003c\/strong\u003e. STEM education began in the United States in the 1990s. It is an interdisciplinary teaching method that combines STEM content and real life situations, which helps stimulate students’ original curiosity and thirst for knowledge and novelty. Longan Cards contains dozens of modules, involving a wide range of knowledge in the process of use, including electronic circuit, mechanical structurenature, programming, science of nature, daily wisdom, and humanities, etc. It is a powerful tool for STEM education at fields of electronic prototyping, science experimentation and DIY project.\u003c\/span\u003e\u003c\/p\u003e","brand":"Longan Labs","offers":[{"title":"Default Title","offer_id":55012253499758,"sku":"1011010","price":25.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/1011010-1_1.jpg?v=1789355783"},{"product_id":"1011008","title":"BME280 Card","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-bcf0d536176c97870aa6453f1fb1442c57e6fa625aa20141a2ab6a8e812b30c2.png?v=1789434292\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eThe BME280 is a four-in-one sensor that can simultaneously detect temperature, humidity, air pressure and calculate altitude data. Temperature is air temperature of the environment, which affects people's feelings of heat and cold. Humidity is the amount of moisture in the air. The higher the humidity, the more humid the air. Pressure is the pressure of air. When air pressure is low, many people would feel stuffy intuitively. Altitude is the vertical distance from the sea level. The higher the altitude, the lower the pressure. Moderate temperature, humidity and air pressure can bring people a very comfortable environment.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003eBME280 Card\u003c\/span\u003e is a powerful environmental detection tool that \u003cspan\u003efeatures \u003c\/span\u003e\u003cstrong\u003eBOSCH BME280\u003c\/strong\u003e\u003cspan\u003e sensor. It \u003c\/span\u003ecan comprehensively obtain field data, providing strong support for outdoor sports, field monitoring, and plateau equipment projects.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eLongan Cards is a unique open source development platform designed by Longan Labs. As a plug and play development platform, Longan Cards allows you to quicky build wide array of prototypes and applications in no time. A full set of Arduino libraries and plenty of example codes are available to play with Longan Cards platform.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003chr\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003eSpec:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cdiv\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eATmega 168PA microprocessor\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eTwo 4 pin SH1.0 connectors\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003cspan\u003eLED indicator\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003cspan\u003eConnection: Goldfinger \/ Cable\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eDimension: 40.5 x 33 mm\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003c\/div\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003chr\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003eReferences:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003ca href=\"https:\/\/docs.longan-labs.cc\/1011008\/\" target=\"_blank\"\u003eHow to Use\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003ePinout:\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-62908db678f1882bbc83c1cd716fc026a6059515e6d950671ca8d065ea28bf9d.png?v=1789434227\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cstyle type=\"text\/css\" xml=\"space\"\u003e\u003c!--\np.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 12.0px 'Helvetica Neue'}\nspan.s1 {font: 12.0px '.PingFang SC'}\n--\u003e\u003c\/style\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003chr\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003ch2\u003e\u003cspan style=\"color: #ffc100;\"\u003e\u003cstrong\u003eLongan Cards:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003cspan\u003eL\u003cspan\u003eongan Cards is a unique \u003c\/span\u003e\u003cstrong\u003eopen-source development platform\u003c\/strong\u003e\u003cspan\u003e designed by Longan Labs. As a plug and play development tool, Longan Cards allows you to quickly build wide array of prototypes and applications in no time. A full set of Arduino libraries and plenty of example codes are available to play with Longan Cards system\u003c\/span\u003e.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-9b76fb10ba24e8bc5af37eff51bb51f602bd282328d38915024c673bcc77f1f9.png?v=1789434232\" alt=\"\"\u003e\u003cspan\u003e↑ \u003c\/span\u003eLongan Cards system consists of \u003cstrong\u003eCards and Boards\u003c\/strong\u003e. There are many gold finger antennas on Card and several gold finger sockets on Board. They are combined together through sockets interpolation, which is intuitive and easy to use. With this unified and flexible interface, you can realize a variety of ideas. Many more Boards with different themes would luanch to help people explore more fun.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-526bb3f8dac10feec33e032ce1794229f06c03c30f987200061aec6139281c70.png?v=1789434241\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e↑ \u003c\/span\u003eLongan Cards modules are classified into many types. Firstly, \u003cstrong\u003ethe main control cards\u003c\/strong\u003e which are the heart of Cards system, run the code and take charge of the exchange of data between modules. Besides Carduino, you can also use MicroBit, Arduino and other development board through connection board. \u003cstrong\u003eThe sensor cards\u003c\/strong\u003e can detect data of surrounding such as temperature and air pressure, etc. \u003cstrong\u003eThe inputs cards\u003c\/strong\u003e allows you to do some operations, such as buttons, knobs, etc. \u003cstrong\u003eThe output cards\u003c\/strong\u003e give feedback in various forms, such as buzzers, motor drives, etc. \u003cstrong\u003eThe communication cards\u003c\/strong\u003e can transmit data in many ways, such as Bluetooth and 4G network. \u003cstrong\u003eThe power cards\u003c\/strong\u003e supply power for electronic projects, including batteries, DC, etc. And \u003cstrong\u003eother cards\u003c\/strong\u003e, mainly do some auxiliary work, such as expansion, code downloading, etc.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-c8d221ef6443805fd9ecb10dac268c79ea7d186ccc1eff07110575ee9ceb56c9.png?v=1789434246\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e↑ STEM is an acronym for \u003cstrong\u003escience\u003c\/strong\u003e,\u003cstrong\u003e technology\u003c\/strong\u003e,\u003cstrong\u003e engineering\u003c\/strong\u003e, and\u003cstrong\u003e math\u003c\/strong\u003e. STEM education began in the United States in the 1990s. It is an interdisciplinary teaching method that combines STEM content and real life situations, which helps stimulate students’ original curiosity and thirst for knowledge and novelty. Longan Cards contains dozens of modules, involving a wide range of knowledge in the process of use, including electronic circuit, mechanical structurenature, programming, science of nature, daily wisdom, and humanities, etc. It is a powerful tool for STEM education at fields of electronic prototyping, science experimentation and DIY project.\u003c\/span\u003e\u003c\/p\u003e","brand":"Longan Labs","offers":[{"title":"Default Title","offer_id":55012253532526,"sku":"1011008","price":30.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/1011010-1_1_1.jpg?v=1789355798"},{"product_id":"1014001","title":"OLED Display Card","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-9dba587092a1207c06a4d6b592151a4c5dc98266fc6691be6e562f7fe95b47aa.png?v=1789434297\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eOLED, organic light emittIng diode. It works the way of stimulating organic semiconductor luminescent materials with an electric current, passing through complex particle motions, and finally emitting visible light. Tens of thousands of oleds do their job according to the input signal, and finally form a complete picture.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eOLED is divided into monochrome, multi-color and colorful. OLED Display Card is the simplest basic monochrome type. With the display screen, you can show information and achive a variety of visual creativity, such as temperature, dialogue, and dynamic emoji.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eOLED Display Card features \u003cstrong\u003eUG-2864KSWLG01\u003c\/strong\u003e folding type OELD module which provides 128x64 monochrome pixels. The OLED card uses SPI protocol to communicate with the Carduinol.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eLongan Cards is a unique open source development platform designed by Longan Labs. As a plug and play development platform, Longan Cards allows you to quicky build wide array of prototypes and applications in no time. A full set of Arduino libraries and plenty of example codes are available to play with Longan Cards platform.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003chr\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003eSpec:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cdiv\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eInput: 5V\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eResolution: 128x64\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eSupports SPI interface\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eDiagonal Screen Size：1.30\"\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eColor Depth：Monochrome (White)\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003cspan\u003eConnection: Goldfinger \/ Cable\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eDimension: 40.5 x 33 x 1.2 mm\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003c\/div\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003chr\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003eReferences:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003ca href=\"https:\/\/docs.longan-labs.cc\/1014001\/\" target=\"_blank\"\u003eHow to Use\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003ePinout:\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-62908db678f1882bbc83c1cd716fc026a6059515e6d950671ca8d065ea28bf9d.png?v=1789434227\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cstyle type=\"text\/css\" xml=\"space\"\u003e\u003c!--\np.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 12.0px 'Helvetica Neue'}\nspan.s1 {font: 12.0px '.PingFang SC'}\n--\u003e\u003c\/style\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003chr\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003ch2\u003e\u003cspan style=\"color: #ffc100;\"\u003e\u003cstrong\u003eLongan Cards:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003cspan\u003eL\u003cspan\u003eongan Cards is a unique \u003c\/span\u003e\u003cstrong\u003eopen-source development platform\u003c\/strong\u003e\u003cspan\u003e designed by Longan Labs. As a plug and play development tool, Longan Cards allows you to quickly build wide array of prototypes and applications in no time. A full set of Arduino libraries and plenty of example codes are available to play with Longan Cards system\u003c\/span\u003e.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-9b76fb10ba24e8bc5af37eff51bb51f602bd282328d38915024c673bcc77f1f9.png?v=1789434232\" alt=\"\"\u003e\u003cspan\u003e↑ \u003c\/span\u003eLongan Cards system consists of \u003cstrong\u003eCards and Boards\u003c\/strong\u003e. There are many gold finger antennas on Card and several gold finger sockets on Board. They are combined together through sockets interpolation, which is intuitive and easy to use. With this unified and flexible interface, you can realize a variety of ideas. Many more Boards with different themes would luanch to help people explore more fun.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-526bb3f8dac10feec33e032ce1794229f06c03c30f987200061aec6139281c70.png?v=1789434241\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e↑ \u003c\/span\u003eLongan Cards modules are classified into many types. Firstly, \u003cstrong\u003ethe main control cards\u003c\/strong\u003e which are the heart of Cards system, run the code and take charge of the exchange of data between modules. Besides Carduino, you can also use MicroBit, Arduino and other development board through connection board. \u003cstrong\u003eThe sensor cards\u003c\/strong\u003e can detect data of surrounding such as temperature and air pressure, etc. \u003cstrong\u003eThe inputs cards\u003c\/strong\u003e allows you to do some operations, such as buttons, knobs, etc. \u003cstrong\u003eThe output cards\u003c\/strong\u003e give feedback in various forms, such as buzzers, motor drives, etc. \u003cstrong\u003eThe communication cards\u003c\/strong\u003e can transmit data in many ways, such as Bluetooth and 4G network. \u003cstrong\u003eThe power cards\u003c\/strong\u003e supply power for electronic projects, including batteries, DC, etc. And \u003cstrong\u003eother cards\u003c\/strong\u003e, mainly do some auxiliary work, such as expansion, code downloading, etc.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-c8d221ef6443805fd9ecb10dac268c79ea7d186ccc1eff07110575ee9ceb56c9.png?v=1789434246\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e↑ STEM is an acronym for \u003cstrong\u003escience\u003c\/strong\u003e,\u003cstrong\u003e technology\u003c\/strong\u003e,\u003cstrong\u003e engineering\u003c\/strong\u003e, and\u003cstrong\u003e math\u003c\/strong\u003e. STEM education began in the United States in the 1990s. It is an interdisciplinary teaching method that combines STEM content and real life situations, which helps stimulate students’ original curiosity and thirst for knowledge and novelty. Longan Cards contains dozens of modules, involving a wide range of knowledge in the process of use, including electronic circuit, mechanical structurenature, programming, science of nature, daily wisdom, and humanities, etc. It is a powerful tool for STEM education at fields of electronic prototyping, science experimentation and DIY project.\u003c\/span\u003e\u003c\/p\u003e","brand":"Longan Labs","offers":[{"title":"Default Title","offer_id":55012253565294,"sku":"1014001","price":29.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/1014001-1_1.jpg?v=1789355812"},{"product_id":"1011007","title":"Rotary Angle Card","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-810198fbd0f11b65652b9af7bbc68b6bc1b48c1e2182b21a2701f9a4ce87c537.png?v=1789434301\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eKnobs are a very old and vital form of control, used in radios several hundred years ago and also in modern car interiors. Knob is based on a variable resistance, and the input is a typical analog signal. The resistance varies during rotation, and the input signal varies continuously from 0 to 1023. ↓\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-f494074163db141a70a2d1cd3716ee03840bf3d1bf222c526f58a76453e8868a.jpg?v=1789434306\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eRotary Angle Card helps you to create control panels quickly and easily, and also allows you to interact with other ideas such as twisting a towel. \u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003eThe angular range of the potentiometer is 300 degrees with a linear change in value. Rotary Angle Card converts the analog potentiometer reading to digital using the internal ADC converter and the output can be read via I2C.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003eNOTE:\u003c\/strong\u003e Screw driver is inside box.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003chr\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003eSpec:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cdiv\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eVoltage: 5V\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eOutput: 0 - 1023\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003ePower indicator LED\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eResistance: 10k ohms\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eAngular range: 300 degrees\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003cspan\u003eConnection: Goldfinger \/ Cable\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eDimension: 40.5 x 33 mm\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003c\/div\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003chr\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003eReferences:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003ca href=\"https:\/\/docs.longan-labs.cc\/1011007\/\" target=\"_blank\"\u003eHow to Use\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003ePinout:\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-62908db678f1882bbc83c1cd716fc026a6059515e6d950671ca8d065ea28bf9d.png?v=1789434227\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cstyle type=\"text\/css\" xml=\"space\"\u003e\u003c!--\np.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 12.0px 'Helvetica Neue'}\nspan.s1 {font: 12.0px '.PingFang SC'}\n--\u003e\u003c\/style\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003chr\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003ch2\u003e\u003cspan style=\"color: #ffc100;\"\u003e\u003cstrong\u003eLongan Cards:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003cspan\u003eL\u003cspan\u003eongan Cards is a unique \u003c\/span\u003e\u003cstrong\u003eopen-source development platform\u003c\/strong\u003e\u003cspan\u003e designed by Longan Labs. As a plug and play development tool, Longan Cards allows you to quickly build wide array of prototypes and applications in no time. A full set of Arduino libraries and plenty of example codes are available to play with Longan Cards system\u003c\/span\u003e.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-9b76fb10ba24e8bc5af37eff51bb51f602bd282328d38915024c673bcc77f1f9.png?v=1789434232\" alt=\"\"\u003e\u003cspan\u003e↑ \u003c\/span\u003eLongan Cards system consists of \u003cstrong\u003eCards and Boards\u003c\/strong\u003e. There are many gold finger antennas on Card and several gold finger sockets on Board. They are combined together through sockets interpolation, which is intuitive and easy to use. With this unified and flexible interface, you can realize a variety of ideas. Many more Boards with different themes would luanch to help people explore more fun.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-526bb3f8dac10feec33e032ce1794229f06c03c30f987200061aec6139281c70.png?v=1789434241\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e↑ \u003c\/span\u003eLongan Cards modules are classified into many types. Firstly, \u003cstrong\u003ethe main control cards\u003c\/strong\u003e which are the heart of Cards system, run the code and take charge of the exchange of data between modules. Besides Carduino, you can also use MicroBit, Arduino and other development board through connection board. \u003cstrong\u003eThe sensor cards\u003c\/strong\u003e can detect data of surrounding such as temperature and air pressure, etc. \u003cstrong\u003eThe inputs cards\u003c\/strong\u003e allows you to do some operations, such as buttons, knobs, etc. \u003cstrong\u003eThe output cards\u003c\/strong\u003e give feedback in various forms, such as buzzers, motor drives, etc. \u003cstrong\u003eThe communication cards\u003c\/strong\u003e can transmit data in many ways, such as Bluetooth and 4G network. \u003cstrong\u003eThe power cards\u003c\/strong\u003e supply power for electronic projects, including batteries, DC, etc. And \u003cstrong\u003eother cards\u003c\/strong\u003e, mainly do some auxiliary work, such as expansion, code downloading, etc.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-c8d221ef6443805fd9ecb10dac268c79ea7d186ccc1eff07110575ee9ceb56c9.png?v=1789434246\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e↑ STEM is an acronym for \u003cstrong\u003escience\u003c\/strong\u003e,\u003cstrong\u003e technology\u003c\/strong\u003e,\u003cstrong\u003e engineering\u003c\/strong\u003e, and\u003cstrong\u003e math\u003c\/strong\u003e. STEM education began in the United States in the 1990s. It is an interdisciplinary teaching method that combines STEM content and real life situations, which helps stimulate students’ original curiosity and thirst for knowledge and novelty. Longan Cards contains dozens of modules, involving a wide range of knowledge in the process of use, including electronic circuit, mechanical structurenature, programming, science of nature, daily wisdom, and humanities, etc. It is a powerful tool for STEM education at fields of electronic prototyping, science experimentation and DIY project.\u003c\/span\u003e\u003c\/p\u003e","brand":"Longan Labs","offers":[{"title":"Default Title","offer_id":55012253598062,"sku":"1011007","price":24.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/1011007-1_1.jpg?v=1789355826"},{"product_id":"1013001","title":"Carduino 328","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-5bbfe4d5ff800e15f42826241f9a336afc3757ea741f0fcc735d9ba6be9986a4.png?v=1789434310\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eBesides all kinds of sensors, the most important one in the electronic project is the master control. It's like the brain in human body, or the CPU in a computer. Arduino, Raspberry Pie, and MicroBits are common and popular controller boards. You can write code in IDE on a computer and download it to controller board through USB cable. As long as there is a power supply, the controller board can independently run the code inside.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eCarduino is the controller board of Longan Cards, named after the word card and a nod to Arduino. As the name implies, Carduino is available to work with Arduino IDE easily. Arduino-based code resources in the community are also available.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eCarduino can perform a variety of operations, the most basic and commonly used one is logic IF. If condition A is satisfied, action B would be triggered. With rich input and output modules of Longan Cards , many functions and ideas can be realized. If the temperature is above 28℃, switch on the air condition. If someone approaches your door at night, turn on the lights and take a picture.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eCarduino 328 is the new development board belongs to the Longan Cards Family. As its name implies it is small as ⅓ of a credit card, thin, and light weight. It is a microcontroller board based on the \u003cstrong\u003eATmega328P\u003c\/strong\u003e. You can use it with any Longan board by plugging it into one of the edge connector slots. Carduino 328 supports all the Longan cards.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eLongan Cards is a unique open source development platform designed by Longan Labs. As a plug and play development platform, Longan Cards allows you to quicky build wide array of prototypes and applications in no time. A full set of Arduino libraries and plenty of example codes are available to play with Longan Cards platform.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003chr\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003eSpec:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cdiv\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eATmega328P @16Mhz clock speed with 3.3V or 5V logic\/power\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e32KB of flash memory which 4KB used by bootloader\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003ePreloaded with the Arduino UNO bootloader\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eProgrammable LED and power indicator\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eReset button\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003cspan\u003eConnection: Goldfinger \/ Cable\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eDimension: 40.5 x 33 x 1.2 mm\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003c\/div\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003chr\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003eReferences:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003ca href=\"https:\/\/docs.longan-labs.cc\/1013001\/\" target=\"_blank\"\u003eHow to Use\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003ePinout:\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-62908db678f1882bbc83c1cd716fc026a6059515e6d950671ca8d065ea28bf9d.png?v=1789434227\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cstyle type=\"text\/css\" xml=\"space\"\u003e\u003c!--\np.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 12.0px 'Helvetica Neue'}\nspan.s1 {font: 12.0px '.PingFang SC'}\n--\u003e\u003c\/style\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003chr\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003ch2\u003e\u003cspan style=\"color: #ffc100;\"\u003e\u003cstrong\u003eLongan Cards:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003cspan\u003eL\u003cspan\u003eongan Cards is a unique \u003c\/span\u003e\u003cstrong\u003eopen-source development platform\u003c\/strong\u003e\u003cspan\u003e designed by Longan Labs. As a plug and play development tool, Longan Cards allows you to quickly build wide array of prototypes and applications in no time. A full set of Arduino libraries and plenty of example codes are available to play with Longan Cards system\u003c\/span\u003e.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-9b76fb10ba24e8bc5af37eff51bb51f602bd282328d38915024c673bcc77f1f9.png?v=1789434232\" alt=\"\"\u003e\u003cspan\u003e↑ \u003c\/span\u003eLongan Cards system consists of \u003cstrong\u003eCards and Boards\u003c\/strong\u003e. There are many gold finger antennas on Card and several gold finger sockets on Board. They are combined together through sockets interpolation, which is intuitive and easy to use. With this unified and flexible interface, you can realize a variety of ideas. Many more Boards with different themes would luanch to help people explore more fun.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-526bb3f8dac10feec33e032ce1794229f06c03c30f987200061aec6139281c70.png?v=1789434241\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e↑ \u003c\/span\u003eLongan Cards modules are classified into many types. Firstly, \u003cstrong\u003ethe main control cards\u003c\/strong\u003e which are the heart of Cards system, run the code and take charge of the exchange of data between modules. Besides Carduino, you can also use MicroBit, Arduino and other development board through connection board. \u003cstrong\u003eThe sensor cards\u003c\/strong\u003e can detect data of surrounding such as temperature and air pressure, etc. \u003cstrong\u003eThe inputs cards\u003c\/strong\u003e allows you to do some operations, such as buttons, knobs, etc. \u003cstrong\u003eThe output cards\u003c\/strong\u003e give feedback in various forms, such as buzzers, motor drives, etc. \u003cstrong\u003eThe communication cards\u003c\/strong\u003e can transmit data in many ways, such as Bluetooth and 4G network. \u003cstrong\u003eThe power cards\u003c\/strong\u003e supply power for electronic projects, including batteries, DC, etc. And \u003cstrong\u003eother cards\u003c\/strong\u003e, mainly do some auxiliary work, such as expansion, code downloading, etc.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-c8d221ef6443805fd9ecb10dac268c79ea7d186ccc1eff07110575ee9ceb56c9.png?v=1789434246\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e↑ STEM is an acronym for \u003cstrong\u003escience\u003c\/strong\u003e,\u003cstrong\u003e technology\u003c\/strong\u003e,\u003cstrong\u003e engineering\u003c\/strong\u003e, and\u003cstrong\u003e math\u003c\/strong\u003e. STEM education began in the United States in the 1990s. It is an interdisciplinary teaching method that combines STEM content and real life situations, which helps stimulate students’ original curiosity and thirst for knowledge and novelty. Longan Cards contains dozens of modules, involving a wide range of knowledge in the process of use, including electronic circuit, mechanical structurenature, programming, science of nature, daily wisdom, and humanities, etc. It is a powerful tool for STEM education at fields of electronic prototyping, science experimentation and DIY project.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003chr\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003ePCS\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eThe above product not fully meet your needs? \u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003eClick \u003c\/span\u003e\u003ca style=\"font-size: medium;\" href=\"https:\/\/www.longan-labs.cc\/blog\/post\/pcs\/\" target=\"_blank\"\u003e\u003cstrong\u003eHERE\u003c\/strong\u003e\u003c\/a\u003e\u003cspan style=\"font-size: medium;\"\u003e to know PCS (Product Customization Service).\u003c\/span\u003e\u003c\/p\u003e","brand":"Longan Labs","offers":[{"title":"Default Title","offer_id":55012253630830,"sku":"1013001","price":25.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/1013001-1_1.jpg?v=1789355842"},{"product_id":"1011029","title":"IR Receiver Card","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-4bd6be96818496cad381ecc3091cc95999a57e35e34984478dabbb53f2563d0c.png?v=1789434315\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eInfrared is an electromagnetic wave with longer wavelengths than red visible light. In addition to its important applications in medicine, it is widely used for close signal transmission because of the advantages of low device cost, simple technology and good confidentiality. The most common example is an infrared remote control.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eInfrared transmission system needs emitter and receiver to work together. IR Receiver Card is a receiver, which can receive infrared signals from various sources, read data instructions, and realize wireless communication, to build the project in a simple and quick manner.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eIR Receiver Card allows you to detect infrared (E.g., IR signal from a remote controller). There is an IR detector on the IR Receiver card which is used to get the infrared light emitted by the Infrared Emitter. It can detect a modulated IR signal at 38 KHz. The distance between the IR Receiver card and the IR source should be less than 10 meters.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eLongan Cards is a unique open source development platform designed by Longan Labs. As a plug and play development platform, Longan Cards allows you to quicky build wide array of prototypes and applications in no time. A full set of Arduino libraries and plenty of example codes are available to play with Longan Cards platform.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003eNOTE:\u003c\/strong\u003e IR Receiver Card supports two wire I2C bus interface.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003chr\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003eSpec:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cdiv\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eATmega 168PA microprocessor\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eRS-171 IR receiver\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eLED indicator\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003cspan\u003eConnection: Goldfinger \/ Cable\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eDimension: 40.5 x 33 mm\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003c\/div\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003chr\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003eReferences:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003ca href=\"https:\/\/docs.longan-labs.cc\/1011029\/\" target=\"_blank\"\u003eHow to Use\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003ePinout:\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-62908db678f1882bbc83c1cd716fc026a6059515e6d950671ca8d065ea28bf9d.png?v=1789434227\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cstyle type=\"text\/css\" xml=\"space\"\u003e\u003c!--\np.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 12.0px 'Helvetica Neue'}\nspan.s1 {font: 12.0px '.PingFang SC'}\n--\u003e\u003c\/style\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003chr\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003ch2\u003e\u003cspan style=\"color: #ffc100;\"\u003e\u003cstrong\u003eLongan Cards:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003cspan\u003eL\u003cspan\u003eongan Cards is a unique \u003c\/span\u003e\u003cstrong\u003eopen-source development platform\u003c\/strong\u003e\u003cspan\u003e designed by Longan Labs. As a plug and play development tool, Longan Cards allows you to quickly build wide array of prototypes and applications in no time. A full set of Arduino libraries and plenty of example codes are available to play with Longan Cards system\u003c\/span\u003e.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-9b76fb10ba24e8bc5af37eff51bb51f602bd282328d38915024c673bcc77f1f9.png?v=1789434232\" alt=\"\"\u003e\u003cspan\u003e↑ \u003c\/span\u003eLongan Cards system consists of \u003cstrong\u003eCards and Boards\u003c\/strong\u003e. There are many gold finger antennas on Card and several gold finger sockets on Board. They are combined together through sockets interpolation, which is intuitive and easy to use. With this unified and flexible interface, you can realize a variety of ideas. Many more Boards with different themes would luanch to help people explore more fun.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-526bb3f8dac10feec33e032ce1794229f06c03c30f987200061aec6139281c70.png?v=1789434241\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e↑ \u003c\/span\u003eLongan Cards modules are classified into many types. Firstly, \u003cstrong\u003ethe main control cards\u003c\/strong\u003e which are the heart of Cards system, run the code and take charge of the exchange of data between modules. Besides Carduino, you can also use MicroBit, Arduino and other development board through connection board. \u003cstrong\u003eThe sensor cards\u003c\/strong\u003e can detect data of surrounding such as temperature and air pressure, etc. \u003cstrong\u003eThe inputs cards\u003c\/strong\u003e allows you to do some operations, such as buttons, knobs, etc. \u003cstrong\u003eThe output cards\u003c\/strong\u003e give feedback in various forms, such as buzzers, motor drives, etc. \u003cstrong\u003eThe communication cards\u003c\/strong\u003e can transmit data in many ways, such as Bluetooth and 4G network. \u003cstrong\u003eThe power cards\u003c\/strong\u003e supply power for electronic projects, including batteries, DC, etc. And \u003cstrong\u003eother cards\u003c\/strong\u003e, mainly do some auxiliary work, such as expansion, code downloading, etc.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-c8d221ef6443805fd9ecb10dac268c79ea7d186ccc1eff07110575ee9ceb56c9.png?v=1789434246\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e↑ STEM is an acronym for \u003cstrong\u003escience\u003c\/strong\u003e,\u003cstrong\u003e technology\u003c\/strong\u003e,\u003cstrong\u003e engineering\u003c\/strong\u003e, and\u003cstrong\u003e math\u003c\/strong\u003e. STEM education began in the United States in the 1990s. It is an interdisciplinary teaching method that combines STEM content and real life situations, which helps stimulate students’ original curiosity and thirst for knowledge and novelty. Longan Cards contains dozens of modules, involving a wide range of knowledge in the process of use, including electronic circuit, mechanical structurenature, programming, science of nature, daily wisdom, and humanities, etc. It is a powerful tool for STEM education at fields of electronic prototyping, science experimentation and DIY project.\u003c\/span\u003e\u003c\/p\u003e","brand":"Longan Labs","offers":[{"title":"Default Title","offer_id":55012254482798,"sku":"1011029","price":25.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/1011029-1_1.jpg?v=1789355856"},{"product_id":"1011002","title":"Sound Sensor Card","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-5fc2656e45397488549f2c85a81f571a2386ef8c2c36f3ebeef8f790a5bddf26.png?v=1789434319\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eSound is a wave that travels in vibration. Sounds are common in our daily life, such as the sound of rain, the honk of car horns, the clapping of hands, the beautiful voice of a singer.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eThe human ear can hear sounds in a range of frequencies. And recording devices can convert sounds into electronic files. The properties of sound mainly include frequency, loudness and timbre. Sound Card detects the loudness of the Sound, that is the volume. In this way, it can monitor a lot of information related to sound, such as falling objects at night and the intensity of ambient noise. ↓\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-975b8dfc6d9c6ec6b05fb7989ca86017046126bd5e27c77ca2e4fc78e03c1966.png?v=1789434324\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eThe main component of Sound Sensor Card is a very tiny, simple electret microphone and the \u003cstrong\u003eLMV358\u003c\/strong\u003e amplifier. It outputs analog data and can be easily sampled and tested by a Carduino.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003chr\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003eSpec:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cdiv\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eATmega 168PA microprocessor\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003cspan\u003eSupports two wire I2C bus interface\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eVery tiny electret microphone\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eLMV358 amplifier\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eLED indicator\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003cspan\u003eConnection: Goldfinger \/ Cable\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eDimension: 40.5 x 33 mm\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003c\/div\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003chr\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003eReferences:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003ca href=\"https:\/\/docs.longan-labs.cc\/1011002\/\" target=\"_blank\"\u003eHow to Use\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003ePinout:\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-62908db678f1882bbc83c1cd716fc026a6059515e6d950671ca8d065ea28bf9d.png?v=1789434227\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cstyle type=\"text\/css\" xml=\"space\"\u003e\u003c!--\np.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 12.0px 'Helvetica Neue'}\nspan.s1 {font: 12.0px '.PingFang SC'}\n--\u003e\u003c\/style\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003chr\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003ch2\u003e\u003cspan style=\"color: #ffc100;\"\u003e\u003cstrong\u003eLongan Cards:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003cspan\u003eL\u003cspan\u003eongan Cards is a unique \u003c\/span\u003e\u003cstrong\u003eopen-source development platform\u003c\/strong\u003e\u003cspan\u003e designed by Longan Labs. As a plug and play development tool, Longan Cards allows you to quickly build wide array of prototypes and applications in no time. A full set of Arduino libraries and plenty of example codes are available to play with Longan Cards system\u003c\/span\u003e.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-9b76fb10ba24e8bc5af37eff51bb51f602bd282328d38915024c673bcc77f1f9.png?v=1789434232\" alt=\"\"\u003e\u003cspan\u003e↑ \u003c\/span\u003eLongan Cards system consists of \u003cstrong\u003eCards and Boards\u003c\/strong\u003e. There are many gold finger antennas on Card and several gold finger sockets on Board. They are combined together through sockets interpolation, which is intuitive and easy to use. With this unified and flexible interface, you can realize a variety of ideas. Many more Boards with different themes would luanch to help people explore more fun.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-526bb3f8dac10feec33e032ce1794229f06c03c30f987200061aec6139281c70.png?v=1789434241\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e↑ \u003c\/span\u003eLongan Cards modules are classified into many types. Firstly, \u003cstrong\u003ethe main control cards\u003c\/strong\u003e which are the heart of Cards system, run the code and take charge of the exchange of data between modules. Besides Carduino, you can also use MicroBit, Arduino and other development board through connection board. \u003cstrong\u003eThe sensor cards\u003c\/strong\u003e can detect data of surrounding such as temperature and air pressure, etc. \u003cstrong\u003eThe inputs cards\u003c\/strong\u003e allows you to do some operations, such as buttons, knobs, etc. \u003cstrong\u003eThe output cards\u003c\/strong\u003e give feedback in various forms, such as buzzers, motor drives, etc. \u003cstrong\u003eThe communication cards\u003c\/strong\u003e can transmit data in many ways, such as Bluetooth and 4G network. \u003cstrong\u003eThe power cards\u003c\/strong\u003e supply power for electronic projects, including batteries, DC, etc. And \u003cstrong\u003eother cards\u003c\/strong\u003e, mainly do some auxiliary work, such as expansion, code downloading, etc.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-c8d221ef6443805fd9ecb10dac268c79ea7d186ccc1eff07110575ee9ceb56c9.png?v=1789434246\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e↑ STEM is an acronym for \u003cstrong\u003escience\u003c\/strong\u003e,\u003cstrong\u003e technology\u003c\/strong\u003e,\u003cstrong\u003e engineering\u003c\/strong\u003e, and\u003cstrong\u003e math\u003c\/strong\u003e. STEM education began in the United States in the 1990s. It is an interdisciplinary teaching method that combines STEM content and real life situations, which helps stimulate students’ original curiosity and thirst for knowledge and novelty. Longan Cards contains dozens of modules, involving a wide range of knowledge in the process of use, including electronic circuit, mechanical structurenature, programming, science of nature, daily wisdom, and humanities, etc. It is a powerful tool for STEM education at fields of electronic prototyping, science experimentation and DIY project.\u003c\/span\u003e\u003c\/p\u003e","brand":"Longan Labs","offers":[{"title":"Default Title","offer_id":55012254515566,"sku":"1011002","price":24.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/1011002-1.jpg?v=1789355870"},{"product_id":"1011003","title":"PIR Sensor Card","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-441a229ceb89e3b487a3aa73b6531692b3947478e3065c6a1eeeea3a812fda9a.png?v=1789434328\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003ePIR, Passive Infared Detector. Human body has a constant temperature and emits infrared at certain wave length. PIR senses the human body by monitoring this particular infrared ray. The technology is simple and practical, and undisturbed by temperature and light. So that it is widely used in automatic switches.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eCombining with other modules, PIR Sensor Card can apply the interactive mode of human body sensing into various creative ideas. For example, when pedestrians approach, the sad face on the display screen turns into a smiling one, or when people approach, atmosphere music of the space rings.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003ePIR Sensor Card allows you to sense the motion of any object in its range. The sensor integrates an ADC converter (Analog-to-Digital Converter) and outputs HIGH, when anyone moves in its detecting range. It features \u003cstrong\u003eS16-L221D\u003c\/strong\u003e 6-pin SMD pyroelectric infrared sensor which measures only 3.6×3.6mm.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eLongan Cards is a unique open source development platform designed by Longan Labs. As a plug and play development platform, Longan Cards allows you to quicky build wide array of prototypes and applications in no time. A full set of Arduino libraries and plenty of example codes are available to play with Longan Cards platform.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003chr\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003eSpec:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cdiv\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eATmega 168PA microprocessor\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eSupports two wire I2C bus interface\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eDetecting distance - 3-5m\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eDetecting angle - 80 degrees\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eVoltage: 5V\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003cspan\u003e\u003c\/span\u003eLED indicator\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003cspan\u003eConnection: Goldfinger \/ Cable\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eDimension: 40.5 x 33 mm\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003c\/div\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003chr\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003eReferences:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003ca href=\"https:\/\/docs.longan-labs.cc\/1011003\/\" target=\"_blank\"\u003eHow to Use\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003ePinout:\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-62908db678f1882bbc83c1cd716fc026a6059515e6d950671ca8d065ea28bf9d.png?v=1789434227\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cstyle type=\"text\/css\" xml=\"space\"\u003e\u003c!--\np.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 12.0px 'Helvetica Neue'}\nspan.s1 {font: 12.0px '.PingFang SC'}\n--\u003e\u003c\/style\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003chr\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003ch2\u003e\u003cspan style=\"color: #ffc100;\"\u003e\u003cstrong\u003eLongan Cards:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003cspan\u003eL\u003cspan\u003eongan Cards is a unique \u003c\/span\u003e\u003cstrong\u003eopen-source development platform\u003c\/strong\u003e\u003cspan\u003e designed by Longan Labs. As a plug and play development tool, Longan Cards allows you to quickly build wide array of prototypes and applications in no time. A full set of Arduino libraries and plenty of example codes are available to play with Longan Cards system\u003c\/span\u003e.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-9b76fb10ba24e8bc5af37eff51bb51f602bd282328d38915024c673bcc77f1f9.png?v=1789434232\" alt=\"\"\u003e\u003cspan\u003e↑ \u003c\/span\u003eLongan Cards system consists of \u003cstrong\u003eCards and Boards\u003c\/strong\u003e. There are many gold finger antennas on Card and several gold finger sockets on Board. They are combined together through sockets interpolation, which is intuitive and easy to use. With this unified and flexible interface, you can realize a variety of ideas. Many more Boards with different themes would luanch to help people explore more fun.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-526bb3f8dac10feec33e032ce1794229f06c03c30f987200061aec6139281c70.png?v=1789434241\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e↑ \u003c\/span\u003eLongan Cards modules are classified into many types. Firstly, \u003cstrong\u003ethe main control cards\u003c\/strong\u003e which are the heart of Cards system, run the code and take charge of the exchange of data between modules. Besides Carduino, you can also use MicroBit, Arduino and other development board through connection board. \u003cstrong\u003eThe sensor cards\u003c\/strong\u003e can detect data of surrounding such as temperature and air pressure, etc. \u003cstrong\u003eThe inputs cards\u003c\/strong\u003e allows you to do some operations, such as buttons, knobs, etc. \u003cstrong\u003eThe output cards\u003c\/strong\u003e give feedback in various forms, such as buzzers, motor drives, etc. \u003cstrong\u003eThe communication cards\u003c\/strong\u003e can transmit data in many ways, such as Bluetooth and 4G network. \u003cstrong\u003eThe power cards\u003c\/strong\u003e supply power for electronic projects, including batteries, DC, etc. And \u003cstrong\u003eother cards\u003c\/strong\u003e, mainly do some auxiliary work, such as expansion, code downloading, etc.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-c8d221ef6443805fd9ecb10dac268c79ea7d186ccc1eff07110575ee9ceb56c9.png?v=1789434246\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e↑ STEM is an acronym for \u003cstrong\u003escience\u003c\/strong\u003e,\u003cstrong\u003e technology\u003c\/strong\u003e,\u003cstrong\u003e engineering\u003c\/strong\u003e, and\u003cstrong\u003e math\u003c\/strong\u003e. STEM education began in the United States in the 1990s. It is an interdisciplinary teaching method that combines STEM content and real life situations, which helps stimulate students’ original curiosity and thirst for knowledge and novelty. Longan Cards contains dozens of modules, involving a wide range of knowledge in the process of use, including electronic circuit, mechanical structurenature, programming, science of nature, daily wisdom, and humanities, etc. It is a powerful tool for STEM education at fields of electronic prototyping, science experimentation and DIY project.\u003c\/span\u003e\u003c\/p\u003e","brand":"Longan Labs","offers":[{"title":"Default Title","offer_id":55012256645486,"sku":"1011003","price":26.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/1011003-1_1.jpg?v=1789355883"},{"product_id":"1011012","title":"RTC Card","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-72acb654d277fa7c2a4c900d0e09e3ba2d42453c7c01b2ccb1bece6645b7224e.png?v=1789434333\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eRTC, real-time clock, provides accurate time reference for electronic systems, especially those without network connection, by using the vibration of crystal oscillator as reference frequency. If the RTC chip works when the main power is cut off, additional battery power is required. ↓\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-ff5b7f1396f6fb998aa733f7f8e2851b1c5f016348d4baf831c57984731ea724.jpg?v=1789434338\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eFor simple electronic projects, RTC enables more accurate data processing. For example, it is easy to tell when came the sharp changes in temperature, at night? Or at noon. Send the feeding signal every 4 hours from dawn to early night every day, to realize more intelligent pet feeding operation.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eRTC Card is based on the \u003cstrong\u003eDS1307\u003c\/strong\u003e chip, which supports the I2C protocol. The card requires a Lithium cell battery (CR1225) to operate a long period continuously. The clock operates in either the 24-hour or 12-hour format with AM\/PM indicator. The card requires to insert 3V CR1225 lithium cell battery into the battery holder.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003chr\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003eSpec:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cdiv\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eATmega 168PA microprocessor\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eSupports two wire I2C bus interface\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eOperating Voltage: 5V\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003cspan\u003eBattery Voltage：2.0-3.5 V\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003cspan\u003eDS1307 chip\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003cspan\u003eConnection: Goldfinger \/ Cable\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eDimension: 40.5 x 33 mm\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003c\/div\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003chr\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003eReferences:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003ca href=\"https:\/\/docs.longan-labs.cc\/1011012\/\" target=\"_blank\"\u003eHow to Use\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003ePinout:\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-62908db678f1882bbc83c1cd716fc026a6059515e6d950671ca8d065ea28bf9d.png?v=1789434227\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cstyle type=\"text\/css\" xml=\"space\"\u003e\u003c!--\np.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 12.0px 'Helvetica Neue'}\nspan.s1 {font: 12.0px '.PingFang SC'}\n--\u003e\u003c\/style\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003chr\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003ch2\u003e\u003cspan style=\"color: #ffc100;\"\u003e\u003cstrong\u003eLongan Cards:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003cspan\u003eL\u003cspan\u003eongan Cards is a unique \u003c\/span\u003e\u003cstrong\u003eopen-source development platform\u003c\/strong\u003e\u003cspan\u003e designed by Longan Labs. As a plug and play development tool, Longan Cards allows you to quickly build wide array of prototypes and applications in no time. A full set of Arduino libraries and plenty of example codes are available to play with Longan Cards system\u003c\/span\u003e.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-9b76fb10ba24e8bc5af37eff51bb51f602bd282328d38915024c673bcc77f1f9.png?v=1789434232\" alt=\"\"\u003e\u003cspan\u003e↑ \u003c\/span\u003eLongan Cards system consists of \u003cstrong\u003eCards and Boards\u003c\/strong\u003e. There are many gold finger antennas on Card and several gold finger sockets on Board. They are combined together through sockets interpolation, which is intuitive and easy to use. With this unified and flexible interface, you can realize a variety of ideas. Many more Boards with different themes would luanch to help people explore more fun.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-526bb3f8dac10feec33e032ce1794229f06c03c30f987200061aec6139281c70.png?v=1789434241\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e↑ \u003c\/span\u003eLongan Cards modules are classified into many types. Firstly, \u003cstrong\u003ethe main control cards\u003c\/strong\u003e which are the heart of Cards system, run the code and take charge of the exchange of data between modules. Besides Carduino, you can also use MicroBit, Arduino and other development board through connection board. \u003cstrong\u003eThe sensor cards\u003c\/strong\u003e can detect data of surrounding such as temperature and air pressure, etc. \u003cstrong\u003eThe inputs cards\u003c\/strong\u003e allows you to do some operations, such as buttons, knobs, etc. \u003cstrong\u003eThe output cards\u003c\/strong\u003e give feedback in various forms, such as buzzers, motor drives, etc. \u003cstrong\u003eThe communication cards\u003c\/strong\u003e can transmit data in many ways, such as Bluetooth and 4G network. \u003cstrong\u003eThe power cards\u003c\/strong\u003e supply power for electronic projects, including batteries, DC, etc. And \u003cstrong\u003eother cards\u003c\/strong\u003e, mainly do some auxiliary work, such as expansion, code downloading, etc.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-c8d221ef6443805fd9ecb10dac268c79ea7d186ccc1eff07110575ee9ceb56c9.png?v=1789434246\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e↑ STEM is an acronym for \u003cstrong\u003escience\u003c\/strong\u003e,\u003cstrong\u003e technology\u003c\/strong\u003e,\u003cstrong\u003e engineering\u003c\/strong\u003e, and\u003cstrong\u003e math\u003c\/strong\u003e. STEM education began in the United States in the 1990s. It is an interdisciplinary teaching method that combines STEM content and real life situations, which helps stimulate students’ original curiosity and thirst for knowledge and novelty. Longan Cards contains dozens of modules, involving a wide range of knowledge in the process of use, including electronic circuit, mechanical structurenature, programming, science of nature, daily wisdom, and humanities, etc. It is a powerful tool for STEM education at fields of electronic prototyping, science experimentation and DIY project.\u003c\/span\u003e\u003c\/p\u003e","brand":"Longan Labs","offers":[{"title":"Default Title","offer_id":55012256678254,"sku":"1011012","price":25.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/1011012-1_1.jpg?v=1789355897"},{"product_id":"1011021","title":"9-Dof Sensor Card","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-4bb758b1bfdbb9574df63fb2ae36c8aa2e86ba92c0d37338cc42919b3ba6054e.png?v=1789434346\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eDof is the number of independent coordinates in the mechanical system. Three-axis acceleration, three-axis gyroscope, and three-axis magnetometer, so it's a 9-dof.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eAcceleration can measure the motion of an object, rise and fall, horizontal and diagonal. It can also recognize gestures after careful calculation. The gyroscope can detect the angle of an object and obtain the static position. The typical application products are the balance car and mobile phone. A magnetometer can obtain absolute direction by relying on the earth's magnetic field. The compass is based on the principle of the magnetometer. \u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003eWith a sensor as powerful as the 9-dof, it is possible to try something as complex as a moving robot.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e9-Dof Sensor Card is a high performance 9-axis motion tracking card from Longan Labs, which is based on \u003cstrong\u003eMPU-9250\u003c\/strong\u003e. The MPU-9250 provides, 3-Axis gyroscope 3-Axis accelerometer 3-Axis magnetometer. Hence, the MPU-9250 is a 9-axis motion tracking device that combines a 3-axis gyroscope, 3-axis accelerometer, 3-axis magnetometer and a Digital Motion Processor™ (DMP).\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eLongan Cards is a unique open source development platform designed by Longan Labs. As a plug and play development platform, Longan Cards allows you to quicky build wide array of prototypes and applications in no time. A full set of Arduino libraries and plenty of example codes are available to play with Longan Cards platform.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003chr\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003eSpec:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cdiv\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eMPU-9250 9-axis motion tracking device\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eATmega 168PA microprocessor\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eOperating Voltage: 5V\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eDigital-output 3-Axis angular rate sensors (gyroscopes) with a user-programmable full-scale range of ±250, ±500, ±1000, and ±2000°\/sec\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eDigital-output 3-Axis accelerometer with a programmable full scale range of ±2g, ±4g, ±8g and ±16g\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003cspan\u003eDigital-output 3-Axis accelerometer with a full scale measurement range is ±4800μT\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003cspan\u003eConnection: Goldfinger \/ Cable\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eDimension: 40.5 x 33 mm\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003c\/div\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003chr\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003eReferences:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003ca href=\"https:\/\/docs.longan-labs.cc\/1011021\/\" target=\"_blank\"\u003eHow to Use\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003ePinout:\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-62908db678f1882bbc83c1cd716fc026a6059515e6d950671ca8d065ea28bf9d.png?v=1789434227\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cstyle type=\"text\/css\" xml=\"space\"\u003e\u003c!--\np.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 12.0px 'Helvetica Neue'}\nspan.s1 {font: 12.0px '.PingFang SC'}\n--\u003e\u003c\/style\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003chr\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003ch2\u003e\u003cspan style=\"color: #ffc100;\"\u003e\u003cstrong\u003eLongan Cards:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003cspan\u003eL\u003cspan\u003eongan Cards is a unique \u003c\/span\u003e\u003cstrong\u003eopen-source development platform\u003c\/strong\u003e\u003cspan\u003e designed by Longan Labs. As a plug and play development tool, Longan Cards allows you to quickly build wide array of prototypes and applications in no time. A full set of Arduino libraries and plenty of example codes are available to play with Longan Cards system\u003c\/span\u003e.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-9b76fb10ba24e8bc5af37eff51bb51f602bd282328d38915024c673bcc77f1f9.png?v=1789434232\" alt=\"\"\u003e\u003cspan\u003e↑ \u003c\/span\u003eLongan Cards system consists of \u003cstrong\u003eCards and Boards\u003c\/strong\u003e. There are many gold finger antennas on Card and several gold finger sockets on Board. They are combined together through sockets interpolation, which is intuitive and easy to use. With this unified and flexible interface, you can realize a variety of ideas. Many more Boards with different themes would luanch to help people explore more fun.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-526bb3f8dac10feec33e032ce1794229f06c03c30f987200061aec6139281c70.png?v=1789434241\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e↑ \u003c\/span\u003eLongan Cards modules are classified into many types. Firstly, \u003cstrong\u003ethe main control cards\u003c\/strong\u003e which are the heart of Cards system, run the code and take charge of the exchange of data between modules. Besides Carduino, you can also use MicroBit, Arduino and other development board through connection board. \u003cstrong\u003eThe sensor cards\u003c\/strong\u003e can detect data of surrounding such as temperature and air pressure, etc. \u003cstrong\u003eThe inputs cards\u003c\/strong\u003e allows you to do some operations, such as buttons, knobs, etc. \u003cstrong\u003eThe output cards\u003c\/strong\u003e give feedback in various forms, such as buzzers, motor drives, etc. \u003cstrong\u003eThe communication cards\u003c\/strong\u003e can transmit data in many ways, such as Bluetooth and 4G network. \u003cstrong\u003eThe power cards\u003c\/strong\u003e supply power for electronic projects, including batteries, DC, etc. And \u003cstrong\u003eother cards\u003c\/strong\u003e, mainly do some auxiliary work, such as expansion, code downloading, etc.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-c8d221ef6443805fd9ecb10dac268c79ea7d186ccc1eff07110575ee9ceb56c9.png?v=1789434246\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e↑ STEM is an acronym for \u003cstrong\u003escience\u003c\/strong\u003e,\u003cstrong\u003e technology\u003c\/strong\u003e,\u003cstrong\u003e engineering\u003c\/strong\u003e, and\u003cstrong\u003e math\u003c\/strong\u003e. STEM education began in the United States in the 1990s. It is an interdisciplinary teaching method that combines STEM content and real life situations, which helps stimulate students’ original curiosity and thirst for knowledge and novelty. Longan Cards contains dozens of modules, involving a wide range of knowledge in the process of use, including electronic circuit, mechanical structurenature, programming, science of nature, daily wisdom, and humanities, etc. It is a powerful tool for STEM education at fields of electronic prototyping, science experimentation and DIY project.\u003c\/span\u003e\u003c\/p\u003e","brand":"Longan Labs","offers":[{"title":"Default Title","offer_id":55012256711022,"sku":"1011021","price":31.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/1011021-1_1.jpg?v=1789355911"},{"product_id":"1012003","title":"Motor Driver Card","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-7fd494481ee24e505e9215eb93ce396392dfa4feee91379f7a733a09935b6e78.png?v=1789434351\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eThe motor converts electrical energy into mechanical kinetic energy according to the magnetic effect of current. For a DC motor, the speed of the motor varies with the input voltage. Tesla drives the motor and makes car move through electric energy of the battery. Motor Driver Card's main function is to control the speed and direction of the DC Motor through the circuit, so as to make mechanical car move forward and backward, speed up and down.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eIn addition, Motor Driver Card can also control the movement of the stepper motor. Stepper motor is based on the principle of electromagnet, in which the rotating structure can be quickly adjusted to a specific position within the range of angles. It is widely used in the design of robot kinematic joints and mechanical arms. Motor Driver Card helps you control the stepper motor circuits freely. By adjusting the frequency and number of pulse signal, it is allowed to control the speed and displacement of stepper motor, and achieve the required motion.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eMotor Driver Card features \u003cstrong\u003eLV8548MC\u003c\/strong\u003e, which is a 2-channel motor driver IC. It can drive two DC motors or one DC motor using the parallel connection, or it can drive a stepper motor in full-step and half-step.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eLongan Cards is a unique open source development platform designed by Longan Labs. As a plug and play development platform, Longan Cards allows you to quicky build wide array of prototypes and applications in no time. A full set of Arduino libraries and plenty of example codes are available to play with Longan Cards platform.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003chr\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003eSpec:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cdiv\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eFeatures LV8548 motor driver\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eSupports two wire I2C bus interface\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eATmega 168PA microprocessor\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eMotor speed and direction control\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eBuilt-in brake function\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003cspan\u003eConnection: Goldfinger \/ Cable\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eDimension: 40.5 x 33 mm\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003c\/div\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003chr\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003eReferences:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003ca href=\"https:\/\/docs.longan-labs.cc\/1012003\/\" target=\"_blank\"\u003eHow to Use\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003ePinout:\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-62908db678f1882bbc83c1cd716fc026a6059515e6d950671ca8d065ea28bf9d.png?v=1789434227\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cstyle type=\"text\/css\" xml=\"space\"\u003e\u003c!--\np.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 12.0px 'Helvetica Neue'}\nspan.s1 {font: 12.0px '.PingFang SC'}\n--\u003e\u003c\/style\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003chr\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003ch2\u003e\u003cspan style=\"color: #ffc100;\"\u003e\u003cstrong\u003eLongan Cards:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003cspan\u003eL\u003cspan\u003eongan Cards is a unique \u003c\/span\u003e\u003cstrong\u003eopen-source development platform\u003c\/strong\u003e\u003cspan\u003e designed by Longan Labs. As a plug and play development tool, Longan Cards allows you to quickly build wide array of prototypes and applications in no time. A full set of Arduino libraries and plenty of example codes are available to play with Longan Cards system\u003c\/span\u003e.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-9b76fb10ba24e8bc5af37eff51bb51f602bd282328d38915024c673bcc77f1f9.png?v=1789434232\" alt=\"\"\u003e\u003cspan\u003e↑ \u003c\/span\u003eLongan Cards system consists of \u003cstrong\u003eCards and Boards\u003c\/strong\u003e. There are many gold finger antennas on Card and several gold finger sockets on Board. They are combined together through sockets interpolation, which is intuitive and easy to use. With this unified and flexible interface, you can realize a variety of ideas. Many more Boards with different themes would luanch to help people explore more fun.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-526bb3f8dac10feec33e032ce1794229f06c03c30f987200061aec6139281c70.png?v=1789434241\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e↑ \u003c\/span\u003eLongan Cards modules are classified into many types. Firstly, \u003cstrong\u003ethe main control cards\u003c\/strong\u003e which are the heart of Cards system, run the code and take charge of the exchange of data between modules. Besides Carduino, you can also use MicroBit, Arduino and other development board through connection board. \u003cstrong\u003eThe sensor cards\u003c\/strong\u003e can detect data of surrounding such as temperature and air pressure, etc. \u003cstrong\u003eThe inputs cards\u003c\/strong\u003e allows you to do some operations, such as buttons, knobs, etc. \u003cstrong\u003eThe output cards\u003c\/strong\u003e give feedback in various forms, such as buzzers, motor drives, etc. \u003cstrong\u003eThe communication cards\u003c\/strong\u003e can transmit data in many ways, such as Bluetooth and 4G network. \u003cstrong\u003eThe power cards\u003c\/strong\u003e supply power for electronic projects, including batteries, DC, etc. And \u003cstrong\u003eother cards\u003c\/strong\u003e, mainly do some auxiliary work, such as expansion, code downloading, etc.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-c8d221ef6443805fd9ecb10dac268c79ea7d186ccc1eff07110575ee9ceb56c9.png?v=1789434246\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e↑ STEM is an acronym for \u003cstrong\u003escience\u003c\/strong\u003e,\u003cstrong\u003e technology\u003c\/strong\u003e,\u003cstrong\u003e engineering\u003c\/strong\u003e, and\u003cstrong\u003e math\u003c\/strong\u003e. STEM education began in the United States in the 1990s. It is an interdisciplinary teaching method that combines STEM content and real life situations, which helps stimulate students’ original curiosity and thirst for knowledge and novelty. Longan Cards contains dozens of modules, involving a wide range of knowledge in the process of use, including electronic circuit, mechanical structurenature, programming, science of nature, daily wisdom, and humanities, etc. It is a powerful tool for STEM education at fields of electronic prototyping, science experimentation and DIY project.\u003c\/span\u003e\u003c\/p\u003e","brand":"Longan Labs","offers":[{"title":"Default Title","offer_id":55012256743790,"sku":"1012003","price":25.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/1012003-1.jpg?v=1789355924"},{"product_id":"1012001","title":"Relay Card","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-844a80ba1fb25fd1bd584c844de9fdc27715f51a915b057c3648ca946cb090cf.png?v=1789434355\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eRelay is a device controlling large current through small current. A relay system usually consists of small current circuit, large current circuit, and circuit conversion part. When the low current circuit reaches a certain condition, it will trigger the high current circuit through the conversion section. This method is more safe and flexible than direct control of large current circuits.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eCommon ways of circuit conversion are electromagnetic, solid state, magnetic spring, temperature, light, etc. Relay Card is a reed type. With the help of Relay Card and other sensors, it is easy to automatically turn on air conditioner when detected the temperature is high.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eRelay Card allows you to control the circuit of high voltage with a low voltage, say 5V from the Carduino. The relay on the Relay Card is normally-opened. You can connect any high voltage appliance through the 2-pin terminal block connector on the front of the board. The maximum voltage ratings for the high voltage appliances are 3A@250V AC and 3A@30V DC. When you apply a 5V signal to the Relay Card, the relay gets close, and the connected device will turn ON.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cstrong\u003eCAUTION:\u003c\/strong\u003e Don't touch Relay Card while connected to the mains electricity or high voltage DC.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003chr\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003eSpec:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cdiv\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eOperating voltage: 5V\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eMaximum switching voltage: 250V AC\/30V DC\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eMaximum switching current: 3A\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eRelay life: 100,000 Cycle\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003cspan\u003eConnection: Goldfinger \/ Cable\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eDimension: 40.5 x 33 x 1.2 mm\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003c\/div\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003chr\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003eReferences:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003ca href=\"https:\/\/docs.longan-labs.cc\/1012001\/\" target=\"_blank\"\u003eHow to Use\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003ePinout:\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-62908db678f1882bbc83c1cd716fc026a6059515e6d950671ca8d065ea28bf9d.png?v=1789434227\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cstyle type=\"text\/css\" xml=\"space\"\u003e\u003c!--\np.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 12.0px 'Helvetica Neue'}\nspan.s1 {font: 12.0px '.PingFang SC'}\n--\u003e\u003c\/style\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003chr\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003ch2\u003e\u003cspan style=\"color: #ffc100;\"\u003e\u003cstrong\u003eLongan Cards:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003cspan\u003eL\u003cspan\u003eongan Cards is a unique \u003c\/span\u003e\u003cstrong\u003eopen-source development platform\u003c\/strong\u003e\u003cspan\u003e designed by Longan Labs. As a plug and play development tool, Longan Cards allows you to quickly build wide array of prototypes and applications in no time. A full set of Arduino libraries and plenty of example codes are available to play with Longan Cards system\u003c\/span\u003e.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-9b76fb10ba24e8bc5af37eff51bb51f602bd282328d38915024c673bcc77f1f9.png?v=1789434232\" alt=\"\"\u003e\u003cspan\u003e↑ \u003c\/span\u003eLongan Cards system consists of \u003cstrong\u003eCards and Boards\u003c\/strong\u003e. There are many gold finger antennas on Card and several gold finger sockets on Board. They are combined together through sockets interpolation, which is intuitive and easy to use. With this unified and flexible interface, you can realize a variety of ideas. Many more Boards with different themes would luanch to help people explore more fun.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-526bb3f8dac10feec33e032ce1794229f06c03c30f987200061aec6139281c70.png?v=1789434241\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e↑ \u003c\/span\u003eLongan Cards modules are classified into many types. Firstly, \u003cstrong\u003ethe main control cards\u003c\/strong\u003e which are the heart of Cards system, run the code and take charge of the exchange of data between modules. Besides Carduino, you can also use MicroBit, Arduino and other development board through connection board. \u003cstrong\u003eThe sensor cards\u003c\/strong\u003e can detect data of surrounding such as temperature and air pressure, etc. \u003cstrong\u003eThe inputs cards\u003c\/strong\u003e allows you to do some operations, such as buttons, knobs, etc. \u003cstrong\u003eThe output cards\u003c\/strong\u003e give feedback in various forms, such as buzzers, motor drives, etc. \u003cstrong\u003eThe communication cards\u003c\/strong\u003e can transmit data in many ways, such as Bluetooth and 4G network. \u003cstrong\u003eThe power cards\u003c\/strong\u003e supply power for electronic projects, including batteries, DC, etc. And \u003cstrong\u003eother cards\u003c\/strong\u003e, mainly do some auxiliary work, such as expansion, code downloading, etc.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-c8d221ef6443805fd9ecb10dac268c79ea7d186ccc1eff07110575ee9ceb56c9.png?v=1789434246\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e↑ STEM is an acronym for \u003cstrong\u003escience\u003c\/strong\u003e,\u003cstrong\u003e technology\u003c\/strong\u003e,\u003cstrong\u003e engineering\u003c\/strong\u003e, and\u003cstrong\u003e math\u003c\/strong\u003e. STEM education began in the United States in the 1990s. It is an interdisciplinary teaching method that combines STEM content and real life situations, which helps stimulate students’ original curiosity and thirst for knowledge and novelty. Longan Cards contains dozens of modules, involving a wide range of knowledge in the process of use, including electronic circuit, mechanical structurenature, programming, science of nature, daily wisdom, and humanities, etc. It is a powerful tool for STEM education at fields of electronic prototyping, science experimentation and DIY project.\u003c\/span\u003e\u003c\/p\u003e","brand":"Longan Labs","offers":[{"title":"Default Title","offer_id":55012256776558,"sku":"1012001","price":24.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/1012001-1.jpg?v=1789355937"},{"product_id":"1011032","title":"Line Finder Card","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-8f3f4a8e89499f9c8a76fd31b763dc158f841fb9e2a623810799ad4d7df9fc4a.png?v=1789434360\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eThrough patrol technology, we can control robots or vehicles to move along artificially designed lines automatically. This technology is widely used in the automation industry, such as material turnover of production line, goods transportation of logistics warehouse, and also simple unmanned driving can be based on patrol technology. ↓\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-5a5227d85f3a601f63318603d84bebf4c7da02ca024305fbcbdd82bbeb84d62e.jpg?v=1789434364\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eLine Finder Card uses infrared sensors to find its way around. By laying white lines on dark ground, several infrared sensors can clearly detect the movement and feed back signals, allowing the robot or car to adjust its direction in real time.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eLine Finder Card features \u003cstrong\u003eMV358\u003c\/strong\u003e comparator, and it is ideal for building a line following robots. On the back of the Line Finder Card, there are three sets of sensors consists of IR emitting LED and an IR sensitive phototransistor. Each sensor is capable of detecting a black line on the white background or a white line on the black background.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003chr\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003eSpec:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cdiv\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eDigital output mode: TTL (High when black is detected, Low when white is detected)\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003cspan\u003e\u003cspan\u003eIntegrated three LED indicators\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eAdjustable detecting range\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003ePower supply: 5V DC\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eComparator: LMV358\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003ePhoto reflective diode: RS-06WD\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003cspan\u003eConnection: Goldfinger \/ Cable\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eDimension: 40.5 x 33 mm\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003c\/div\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003chr\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003eReferences:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003ca href=\"https:\/\/docs.longan-labs.cc\/1011032\/\" target=\"_blank\"\u003eHow to Use\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003ePinout:\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-62908db678f1882bbc83c1cd716fc026a6059515e6d950671ca8d065ea28bf9d.png?v=1789434227\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cstyle type=\"text\/css\" xml=\"space\"\u003e\u003c!--\np.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 12.0px 'Helvetica Neue'}\nspan.s1 {font: 12.0px '.PingFang SC'}\n--\u003e\u003c\/style\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003chr\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003ch2\u003e\u003cspan style=\"color: #ffc100;\"\u003e\u003cstrong\u003eLongan Cards:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003cspan\u003eL\u003cspan\u003eongan Cards is a unique \u003c\/span\u003e\u003cstrong\u003eopen-source development platform\u003c\/strong\u003e\u003cspan\u003e designed by Longan Labs. As a plug and play development tool, Longan Cards allows you to quickly build wide array of prototypes and applications in no time. A full set of Arduino libraries and plenty of example codes are available to play with Longan Cards system\u003c\/span\u003e.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-9b76fb10ba24e8bc5af37eff51bb51f602bd282328d38915024c673bcc77f1f9.png?v=1789434232\" alt=\"\"\u003e\u003cspan\u003e↑ \u003c\/span\u003eLongan Cards system consists of \u003cstrong\u003eCards and Boards\u003c\/strong\u003e. There are many gold finger antennas on Card and several gold finger sockets on Board. They are combined together through sockets interpolation, which is intuitive and easy to use. With this unified and flexible interface, you can realize a variety of ideas. Many more Boards with different themes would luanch to help people explore more fun.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-526bb3f8dac10feec33e032ce1794229f06c03c30f987200061aec6139281c70.png?v=1789434241\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e↑ \u003c\/span\u003eLongan Cards modules are classified into many types. Firstly, \u003cstrong\u003ethe main control cards\u003c\/strong\u003e which are the heart of Cards system, run the code and take charge of the exchange of data between modules. Besides Carduino, you can also use MicroBit, Arduino and other development board through connection board. \u003cstrong\u003eThe sensor cards\u003c\/strong\u003e can detect data of surrounding such as temperature and air pressure, etc. \u003cstrong\u003eThe inputs cards\u003c\/strong\u003e allows you to do some operations, such as buttons, knobs, etc. \u003cstrong\u003eThe output cards\u003c\/strong\u003e give feedback in various forms, such as buzzers, motor drives, etc. \u003cstrong\u003eThe communication cards\u003c\/strong\u003e can transmit data in many ways, such as Bluetooth and 4G network. \u003cstrong\u003eThe power cards\u003c\/strong\u003e supply power for electronic projects, including batteries, DC, etc. And \u003cstrong\u003eother cards\u003c\/strong\u003e, mainly do some auxiliary work, such as expansion, code downloading, etc.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-c8d221ef6443805fd9ecb10dac268c79ea7d186ccc1eff07110575ee9ceb56c9.png?v=1789434246\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e↑ STEM is an acronym for \u003cstrong\u003escience\u003c\/strong\u003e,\u003cstrong\u003e technology\u003c\/strong\u003e,\u003cstrong\u003e engineering\u003c\/strong\u003e, and\u003cstrong\u003e math\u003c\/strong\u003e. STEM education began in the United States in the 1990s. It is an interdisciplinary teaching method that combines STEM content and real life situations, which helps stimulate students’ original curiosity and thirst for knowledge and novelty. Longan Cards contains dozens of modules, involving a wide range of knowledge in the process of use, including electronic circuit, mechanical structurenature, programming, science of nature, daily wisdom, and humanities, etc. It is a powerful tool for STEM education at fields of electronic prototyping, science experimentation and DIY project.\u003c\/span\u003e\u003c\/p\u003e","brand":"Longan Labs","offers":[{"title":"Default Title","offer_id":55012256809326,"sku":"1011032","price":26.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/1011032-1_2.jpg?v=1789355953"},{"product_id":"1017002","title":"Extension Board - 1 to 4","description":"\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eIntroduction:\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eAs the name implies, the Extension board provides additional edge connector slots and allows you to add more Longan cards to your project. You can use the Extension board, with another Longan board: When your Longan board runs out of free edge connector slots, simply plug an Extension card into one of the available edge connector slot. as a stand-alone board: You can use the Extension board to connect any Longan card with the Carduino. If you need more edge connector slots, plug another Extension board into one of the available slots.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eLongan Cards is a unique open source development platform designed by Longan Labs. As a plug and play development platform, Longan Cards allows you to quicky build wide array of prototypes and applications in no time. A full set of Arduino libraries and plenty of example codes are available to play with Longan Cards platform.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003chr\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003eSpec:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cdiv\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e4 Cards goldfinger connector\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eType-C conneciton\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003cspan\u003eConnection: Goldfinger \/ Cable\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eDimension: 57 x 71 mm\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003c\/div\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003chr\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003eReferences:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003ca href=\"https:\/\/docs.longan-labs.cc\/1017002\/\" target=\"_blank\"\u003eHow to Use\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003ePinout:\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-62908db678f1882bbc83c1cd716fc026a6059515e6d950671ca8d065ea28bf9d.png?v=1789434227\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cstyle type=\"text\/css\" xml=\"space\"\u003e\u003c!--\np.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 12.0px 'Helvetica Neue'}\nspan.s1 {font: 12.0px '.PingFang SC'}\n--\u003e\u003c\/style\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003chr\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003ch2\u003e\u003cspan style=\"color: #ffc100;\"\u003e\u003cstrong\u003eLongan Cards:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003cspan\u003eL\u003cspan\u003eongan Cards is a unique \u003c\/span\u003e\u003cstrong\u003eopen-source development platform\u003c\/strong\u003e\u003cspan\u003e designed by Longan Labs. As a plug and play development tool, Longan Cards allows you to quickly build wide array of prototypes and applications in no time. A full set of Arduino libraries and plenty of example codes are available to play with Longan Cards system\u003c\/span\u003e.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-9b76fb10ba24e8bc5af37eff51bb51f602bd282328d38915024c673bcc77f1f9.png?v=1789434232\" alt=\"\"\u003e\u003cspan\u003e↑ \u003c\/span\u003eLongan Cards system consists of \u003cstrong\u003eCards and Boards\u003c\/strong\u003e. There are many gold finger antennas on Card and several gold finger sockets on Board. They are combined together through sockets interpolation, which is intuitive and easy to use. With this unified and flexible interface, you can realize a variety of ideas. Many more Boards with different themes would luanch to help people explore more fun.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-526bb3f8dac10feec33e032ce1794229f06c03c30f987200061aec6139281c70.png?v=1789434241\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e↑ \u003c\/span\u003eLongan Cards modules are classified into many types. Firstly, \u003cstrong\u003ethe main control cards\u003c\/strong\u003e which are the heart of Cards system, run the code and take charge of the exchange of data between modules. Besides Carduino, you can also use MicroBit, Arduino and other development board through connection board. \u003cstrong\u003eThe sensor cards\u003c\/strong\u003e can detect data of surrounding such as temperature and air pressure, etc. \u003cstrong\u003eThe inputs cards\u003c\/strong\u003e allows you to do some operations, such as buttons, knobs, etc. \u003cstrong\u003eThe output cards\u003c\/strong\u003e give feedback in various forms, such as buzzers, motor drives, etc. \u003cstrong\u003eThe communication cards\u003c\/strong\u003e can transmit data in many ways, such as Bluetooth and 4G network. \u003cstrong\u003eThe power cards\u003c\/strong\u003e supply power for electronic projects, including batteries, DC, etc. And \u003cstrong\u003eother cards\u003c\/strong\u003e, mainly do some auxiliary work, such as expansion, code downloading, etc.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-c8d221ef6443805fd9ecb10dac268c79ea7d186ccc1eff07110575ee9ceb56c9.png?v=1789434246\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e↑ STEM is an acronym for \u003cstrong\u003escience\u003c\/strong\u003e,\u003cstrong\u003e technology\u003c\/strong\u003e,\u003cstrong\u003e engineering\u003c\/strong\u003e, and\u003cstrong\u003e math\u003c\/strong\u003e. STEM education began in the United States in the 1990s. It is an interdisciplinary teaching method that combines STEM content and real life situations, which helps stimulate students’ original curiosity and thirst for knowledge and novelty. Longan Cards contains dozens of modules, involving a wide range of knowledge in the process of use, including electronic circuit, mechanical structurenature, programming, science of nature, daily wisdom, and humanities, etc. It is a powerful tool for STEM education at fields of electronic prototyping, science experimentation and DIY project.\u003c\/span\u003e\u003c\/p\u003e","brand":"Longan Labs","offers":[{"title":"Default Title","offer_id":55012258480494,"sku":"1017002","price":24.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/1017002-1_1_1.jpg?v=1789355966"},{"product_id":"1011027","title":"Button Input Card","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-d507dab2d4ea45e09a2fd9beb5d31950437a0df33cd1f0507e80beb3e050945f.png?v=1789434369\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eButton is the most commonly used and intuitive way of signal input, which is widely used in our daily life, such as the button of remote control, the volume button of mobile phone, and doorbell on the door of Garden, etc. Even the clicks in computer interfaces are based on the prototype of buttons. ↓\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-0feaa1660fe3a6caa233cffbde8c9c4b906df4e90026b16f05e7cea71f93b9c6.jpg?v=1789434374\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eWhen using a button, there are two steps, pressing and releasing. Through combination, there can be single click, double click, long press and other operations. So that a button can achieve a variety of signal input. Buttons interact primarily through active presses, but can also monitor a variety of other behaviors, such as collisions.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eIn addition, the combination of the two buttons can also run the logical operator of “OR AND NOT”. Press either of the AB buttons to trigger the switch, which is the logic of “OR”. The switch can only be triggered when the two buttons are pressed at the same time, which is the logic of “AND”. ↓\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-32eecdb8c0ed41ee36b309ee0b670a8ede8270fc5b562968ff3740229a81922f.png?v=1789434384\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eButton Input Card provides two programmable push buttons for your project. They can be found on the back of the card. These buttons are large enough comparing to the standard push buttons and labelled as A and B.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003chr\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003eSpec:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003cdiv\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eVoltage: 5V\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eTwo 4 pin SH1.0 connectors\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eSupports two wire I2C bus interface\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eATmega 168PA microprocessor\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003cspan\u003eConnection: Goldfinger \/ Cable\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eDimension: 40.5 x 33 mm\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003c\/div\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003chr\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003eReferences:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003ca href=\"https:\/\/docs.longan-labs.cc\/1011027\/\" target=\"_blank\"\u003eHow to Use\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003ePinout:\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-62908db678f1882bbc83c1cd716fc026a6059515e6d950671ca8d065ea28bf9d.png?v=1789434227\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cstyle type=\"text\/css\" xml=\"space\"\u003e\u003c!--\np.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 12.0px 'Helvetica Neue'}\nspan.s1 {font: 12.0px '.PingFang SC'}\n--\u003e\u003c\/style\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003chr\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003ch2\u003e\u003cspan style=\"color: #ffc100;\"\u003e\u003cstrong\u003eLongan Cards:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003cspan\u003eLongan Cards is a unique \u003cstrong\u003eopen-source development platform\u003c\/strong\u003e designed by Longan Labs. As a plug and play development tool, Longan Cards allows you to quickly build wide array of prototypes and applications in no time. A full set of Arduino libraries and plenty of example codes are available to play with Longan Cards system.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-9b76fb10ba24e8bc5af37eff51bb51f602bd282328d38915024c673bcc77f1f9.png?v=1789434232\" alt=\"\"\u003e\u003cspan\u003e↑ \u003c\/span\u003eLongan Cards system consists of \u003cstrong\u003eCards and Boards\u003c\/strong\u003e. There are many gold finger antennas on Card and several gold finger sockets on Board. They are combined together through sockets interpolation, which is intuitive and easy to use. With this unified and flexible interface, you can realize a variety of ideas. Many more Boards with different themes would luanch to help people explore more fun.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-526bb3f8dac10feec33e032ce1794229f06c03c30f987200061aec6139281c70.png?v=1789434241\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e↑ \u003c\/span\u003eLongan Cards modules are classified into many types. Firstly, \u003cstrong\u003ethe main control cards\u003c\/strong\u003e which are the heart of Cards system, run the code and take charge of the exchange of data between modules. Besides Carduino, you can also use MicroBit, Arduino and other development board through connection board. \u003cstrong\u003eThe sensor cards\u003c\/strong\u003e can detect data of surrounding such as temperature and air pressure, etc. \u003cstrong\u003eThe inputs cards\u003c\/strong\u003e allows you to do some operations, such as buttons, knobs, etc. \u003cstrong\u003eThe output cards\u003c\/strong\u003e give feedback in various forms, such as buzzers, motor drives, etc. \u003cstrong\u003eThe communication cards\u003c\/strong\u003e can transmit data in many ways, such as Bluetooth and 4G network. \u003cstrong\u003eThe power cards\u003c\/strong\u003e supply power for electronic projects, including batteries, DC, etc. And \u003cstrong\u003eother cards\u003c\/strong\u003e, mainly do some auxiliary work, such as expansion, code downloading, etc.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-c8d221ef6443805fd9ecb10dac268c79ea7d186ccc1eff07110575ee9ceb56c9.png?v=1789434246\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e↑ STEM is an acronym for \u003cstrong\u003escience\u003c\/strong\u003e,\u003cstrong\u003e technology\u003c\/strong\u003e,\u003cstrong\u003e engineering\u003c\/strong\u003e, and\u003cstrong\u003e math\u003c\/strong\u003e. STEM education began in the United States in the 1990s. It is an interdisciplinary teaching method that combines STEM content and real life situations, which helps stimulate students’ original curiosity and thirst for knowledge and novelty. Longan Cards contains dozens of modules, involving a wide range of knowledge in the process of use, including electronic circuit, mechanical structurenature, programming, science of nature, daily wisdom, and humanities, etc. It is a powerful tool for STEM education at fields of electronic prototyping, science experimentation and DIY project.\u003c\/span\u003e\u003c\/p\u003e","brand":"Longan Labs","offers":[{"title":"Default Title","offer_id":55012258513262,"sku":"1011027","price":24.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/1011027-1.jpg?v=1789355980"},{"product_id":"1016006","title":"Programmer Card - Serial to USB","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-41498407d47a67a5f5a4c429c7bacde2a7d79226ddb53aca5d70695acaa2e78e.png?v=1789434389\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eProgrammer Card features \u003c\/span\u003e\u003cstrong style=\"font-size: medium;\"\u003eFTDI FT232RL\u003c\/strong\u003e\u003cspan style=\"font-size: medium;\"\u003e USB to serial IC. It allows you to program cards like Carduino 328 which doesn't come with an onboard USB-to-Serial converter IC.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eLongan Cards is a unique open source development platform designed by Longan Labs. As a plug and play development platform, Longan Cards allows you to quicky build wide array of prototypes and applications in no time. A full set of Arduino libraries and plenty of example codes are available to play with Longan Cards platform.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003chr\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003eSpec:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003cdiv\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e5V-3.3V switch\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eCards-MCU switch\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eType-C connection\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003cspan\u003eConnection: Goldfinger \/ Cable\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eDimension: 40.5 x 33 mm\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003c\/div\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003chr\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003eReferences:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003ca href=\"https:\/\/docs.longan-labs.cc\/1016006\/\" target=\"_blank\"\u003eHow to Use\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003ePinout:\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-62908db678f1882bbc83c1cd716fc026a6059515e6d950671ca8d065ea28bf9d.png?v=1789434227\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cstyle type=\"text\/css\" xml=\"space\"\u003e\u003c!--\np.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 12.0px 'Helvetica Neue'}\nspan.s1 {font: 12.0px '.PingFang SC'}\n--\u003e\u003c\/style\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003chr\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003ch2\u003e\u003cspan style=\"color: #ffc100;\"\u003e\u003cstrong\u003eLongan Cards:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003cspan\u003eLongan Cards is a unique \u003cstrong\u003eopen-source development platform\u003c\/strong\u003e designed by Longan Labs. As a plug and play development tool, Longan Cards allows you to quickly build wide array of prototypes and applications in no time. A full set of Arduino libraries and plenty of example codes are available to play with Longan Cards system.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-9b76fb10ba24e8bc5af37eff51bb51f602bd282328d38915024c673bcc77f1f9.png?v=1789434232\" alt=\"\"\u003e\u003cspan\u003e↑ \u003c\/span\u003eLongan Cards system consists of \u003cstrong\u003eCards and Boards\u003c\/strong\u003e. There are many gold finger antennas on Card and several gold finger sockets on Board. They are combined together through sockets interpolation, which is intuitive and easy to use. With this unified and flexible interface, you can realize a variety of ideas. Many more Boards with different themes would luanch to help people explore more fun.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-526bb3f8dac10feec33e032ce1794229f06c03c30f987200061aec6139281c70.png?v=1789434241\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e↑ \u003c\/span\u003eLongan Cards modules are classified into many types. Firstly, \u003cstrong\u003ethe main control cards\u003c\/strong\u003e which are the heart of Cards system, run the code and take charge of the exchange of data between modules. Besides Carduino, you can also use MicroBit, Arduino and other development board through connection board. \u003cstrong\u003eThe sensor cards\u003c\/strong\u003e can detect data of surrounding such as temperature and air pressure, etc. \u003cstrong\u003eThe inputs cards\u003c\/strong\u003e allows you to do some operations, such as buttons, knobs, etc. \u003cstrong\u003eThe output cards\u003c\/strong\u003e give feedback in various forms, such as buzzers, motor drives, etc. \u003cstrong\u003eThe communication cards\u003c\/strong\u003e can transmit data in many ways, such as Bluetooth and 4G network. \u003cstrong\u003eThe power cards\u003c\/strong\u003e supply power for electronic projects, including batteries, DC, etc. And \u003cstrong\u003eother cards\u003c\/strong\u003e, mainly do some auxiliary work, such as expansion, code downloading, etc.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-c8d221ef6443805fd9ecb10dac268c79ea7d186ccc1eff07110575ee9ceb56c9.png?v=1789434246\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e↑ STEM is an acronym for \u003cstrong\u003escience\u003c\/strong\u003e,\u003cstrong\u003e technology\u003c\/strong\u003e,\u003cstrong\u003e engineering\u003c\/strong\u003e, and\u003cstrong\u003e math\u003c\/strong\u003e. STEM education began in the United States in the 1990s. It is an interdisciplinary teaching method that combines STEM content and real life situations, which helps stimulate students’ original curiosity and thirst for knowledge and novelty. Longan Cards contains dozens of modules, involving a wide range of knowledge in the process of use, including electronic circuit, mechanical structurenature, programming, science of nature, daily wisdom, and humanities, etc. It is a powerful tool for STEM education at fields of electronic prototyping, science experimentation and DIY project.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003chr\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003ePCS\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eThe above product not fully meet your needs? \u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003eClick \u003c\/span\u003e\u003ca style=\"font-size: medium;\" href=\"https:\/\/www.longan-labs.cc\/blog\/post\/pcs\/\" target=\"_blank\"\u003e\u003cstrong\u003eHERE\u003c\/strong\u003e\u003c\/a\u003e\u003cspan style=\"font-size: medium;\"\u003e to know PCS (Product Customization Service).\u003c\/span\u003e\u003c\/p\u003e","brand":"Longan Labs","offers":[{"title":"Default Title","offer_id":55012258578798,"sku":"1016006","price":19.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/1016006-1.jpg?v=1789355995"},{"product_id":"1018003","title":"Open Game Station - Player kit","description":"\u003cp\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/7giHcGhO_TM\" width=\"800\" height=\"600\" frameborder=\"0\" allowfullscreen=\"\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eOpen Game Station is an open hardware platform that allows you to build a modular, handheld gaming console capable of playing \u003cstrong\u003eclassic 8-bit games\u003c\/strong\u003e. You can add modules to expand the console, install free games from community-maintained collections, and modify code to customize your experience or develop your own games.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003chr\u003e\r\n\u003ch2\u003e\u003cspan style=\"color: #ffc100;\"\u003e\u003cstrong\u003ePart List:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eGame Board x1\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eCarduino 32U4 x1\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eOLED Display Card x1\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eBuzzer Card x1\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eScrew Package x1\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eAcrylic Board x1\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eQuick Guide x1\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eAAA Battery Card x1\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003cstrong\u003eNOTE:\u003c\/strong\u003e AAA Battery is \u003cstrong\u003eNOT\u003c\/strong\u003e included.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003chr\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003eSpecifications:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eAtmega 32U4 microcontroller\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e16 MHz clock speed\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e2 K RAM\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e32 K flash\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e128 x 64 OLED display\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eSix buttons\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eArduino compatible\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003chr\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003eInstall Games:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e1. Connect the microcontroller board to your PC with a USB Type-C cable\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e2. Go to \u003ca title=\"Erwin's Arduboy Collection\" href=\"https:\/\/arduboy.ried.cl\/\" target=\"_blank\"\u003e\u003cstrong\u003eErwin's Arduboy Collection\u003c\/strong\u003e\u003c\/a\u003e and find a game you like\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e3. Click \"Upload to my Arduboy\" and wait a few seconds\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e4. Insert the microcontroller board back into your Open Game Station\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003cstrong\u003eNOTE:\u003c\/strong\u003e Open Game Station supports all Arduboy-based games.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003chr\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003eReferences:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003ca href=\"https:\/\/docs.longan-labs.cc\/1017008\/\" target=\"_blank\"\u003eGame Board Wiki\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003ca href=\"https:\/\/arduboy.com\/\" target=\"_blank\"\u003eArduboy\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003ca href=\"https:\/\/arduboy.ried.cl\/\" target=\"_blank\"\u003eErwin's Arduboy Collection\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003ca href=\"https:\/\/www.crowdsupply.com\/longan-labs\/open-game-station\" target=\"_blank\"\u003eCrowd Supply Project\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eCards Pinout:\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-62908db678f1882bbc83c1cd716fc026a6059515e6d950671ca8d065ea28bf9d.png?v=1789434227\" alt=\"Longan Cards Pinout\"\u003e\u003c\/p\u003e\r\n\u003chr\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003eLongan Cards:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eLongan Cards is a unique \u003cstrong\u003eopen-source development platform\u003c\/strong\u003e designed by Longan Labs. As a plug and play development tool, Longan Cards allows you to quickly build wide array of prototypes and applications in no time. A full set of Arduino libraries and plenty of example codes are available to play with Longan Cards system. \u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-9b76fb10ba24e8bc5af37eff51bb51f602bd282328d38915024c673bcc77f1f9.png?v=1789434232\" alt=\"How to use Longan Cards\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e↑ Longan Cards system consists of \u003cstrong\u003eCards and Boards\u003c\/strong\u003e. There are many gold finger antennas on Card and several gold finger sockets on Board. They are combined together through sockets interpolation, which is intuitive and easy to use. With this unified and flexible interface, you can realize a variety of ideas. Many more Boards with different themes would luanch to help people explore more fun. \u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-526bb3f8dac10feec33e032ce1794229f06c03c30f987200061aec6139281c70.png?v=1789434241\" alt=\"Longan Cards Categories\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e↑ Longan Cards modules are classified into many types. Firstly, the main control cards which are the heart of Cards system, run the code and take charge of the exchange of data between modules. Besides Carduino, you can also use MicroBit, Arduino and other development board through connection board. The sensor cards can detect data of surrounding such as temperature and air pressure, etc. The inputs cards allows you to do some operations, such as buttons, knobs, etc. The output cards give feedback in various forms, such as buzzers, motor drives, etc. The communication cards can transmit data in many ways, such as Bluetooth and 4G network. The power cards supply power for electronic projects, including batteries, DC, etc. And other cards, mainly do some auxiliary work, such as expansion, code downloading, etc. \u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-c8d221ef6443805fd9ecb10dac268c79ea7d186ccc1eff07110575ee9ceb56c9.png?v=1789434246\" alt=\"Longan Cards STEM\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e↑ STEM is an acronym for \u003cstrong\u003escience, technology, engineering, and math\u003c\/strong\u003e. STEM education began in the United States in the 1990s. It is an interdisciplinary teaching method that combines STEM content and real life situations, which helps stimulate students’ original curiosity and thirst for knowledge and novelty. Longan Cards contains dozens of modules, involving a wide range of knowledge in the process of use, including electronic circuit, mechanical structurenature, programming, science of nature, daily wisdom, and humanities, etc. It is a powerful tool for STEM education at fields of electronic prototyping, science experimentation and DIY project. \u003c\/span\u003e\u003c\/p\u003e","brand":"Longan Labs","offers":[{"title":"Default Title","offer_id":55012258644334,"sku":"1018003","price":119.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/1018003-1.jpg?v=1789356011"},{"product_id":"1018001","title":"Open Vehicle Platform Player Kit","description":"\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eAssemble the kit to make a vehicle platform to explore the joy of moving and controling. More sensors and modules are ready to extend.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e.\u003cspan\u003e.\u003c\/span\u003e\u003cspan\u003e.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003chr\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003ch2\u003e\u003cspan style=\"color: #ffc100;\"\u003e\u003cstrong\u003eInside Box:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003cdiv\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003eVehicle Board x1\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003eCarduino 32U4 x1\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003eMotor Driver Card x1\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003eLine Finder Card x1\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003cspan\u003e\u003c\/span\u003eIR Receiver Card x1\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003eMotor Package x1\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003cspan style=\"font-size: medium;\"\u003eQuick Guide x1\u003c\/span\u003e\n\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003eAAA Battery Card x1\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cdiv\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003cstrong\u003eNOTE:\u003c\/strong\u003e AAA Battery is NOT included.\u003c\/span\u003e\u003c\/div\u003e\r\n\u003c\/div\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003chr\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003eSpec:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003cdiv\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003ePower：2xAAA Battery\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e7 slots to to explore Cards system\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eA universal wheel and two rubber wheels\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003cspan\u003eConnection: Goldfinger\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eDimension: 89 x 187 mm\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003c\/div\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003chr\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003eReferences:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003ca href=\"https:\/\/docs.longan-labs.cc\/1017008\/\" target=\"_blank\"\u003eHow to Use\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003ePinout:\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-62908db678f1882bbc83c1cd716fc026a6059515e6d950671ca8d065ea28bf9d.png?v=1789434227\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cstyle type=\"text\/css\" xml=\"space\"\u003e\u003c!--\np.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 12.0px 'Helvetica Neue'}\nspan.s1 {font: 12.0px '.PingFang SC'}\n--\u003e\u003c\/style\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003chr\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003ch2\u003e\u003cspan style=\"color: #ffc100;\"\u003e\u003cstrong\u003eLongan Cards:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003cspan\u003eLongan Cards is a unique \u003cstrong\u003eopen-source development platform\u003c\/strong\u003e designed by Longan Labs. As a plug and play development tool, Longan Cards allows you to quickly build wide array of prototypes and applications in no time. A full set of Arduino libraries and plenty of example codes are available to play with Longan Cards system.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-9b76fb10ba24e8bc5af37eff51bb51f602bd282328d38915024c673bcc77f1f9.png?v=1789434232\" alt=\"\"\u003e\u003cspan\u003e↑ \u003c\/span\u003eLongan Cards system consists of \u003cstrong\u003eCards and Boards\u003c\/strong\u003e. There are many gold finger antennas on Card and several gold finger sockets on Board. They are combined together through sockets interpolation, which is intuitive and easy to use. With this unified and flexible interface, you can realize a variety of ideas. Many more Boards with different themes would luanch to help people explore more fun.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-526bb3f8dac10feec33e032ce1794229f06c03c30f987200061aec6139281c70.png?v=1789434241\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e↑ \u003c\/span\u003eLongan Cards modules are classified into many types. Firstly, \u003cstrong\u003ethe main control cards\u003c\/strong\u003e which are the heart of Cards system, run the code and take charge of the exchange of data between modules. Besides Carduino, you can also use MicroBit, Arduino and other development board through connection board. \u003cstrong\u003eThe sensor cards\u003c\/strong\u003e can detect data of surrounding such as temperature and air pressure, etc. \u003cstrong\u003eThe inputs cards\u003c\/strong\u003e allows you to do some operations, such as buttons, knobs, etc. \u003cstrong\u003eThe output cards\u003c\/strong\u003e give feedback in various forms, such as buzzers, motor drives, etc. \u003cstrong\u003eThe communication cards\u003c\/strong\u003e can transmit data in many ways, such as Bluetooth and 4G network. \u003cstrong\u003eThe power cards\u003c\/strong\u003e supply power for electronic projects, including batteries, DC, etc. And \u003cstrong\u003eother cards\u003c\/strong\u003e, mainly do some auxiliary work, such as expansion, code downloading, etc.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-c8d221ef6443805fd9ecb10dac268c79ea7d186ccc1eff07110575ee9ceb56c9.png?v=1789434246\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e↑ STEM is an acronym for \u003cstrong\u003escience\u003c\/strong\u003e,\u003cstrong\u003e technology\u003c\/strong\u003e,\u003cstrong\u003e engineering\u003c\/strong\u003e, and\u003cstrong\u003e math\u003c\/strong\u003e. STEM education began in the United States in the 1990s. It is an interdisciplinary teaching method that combines STEM content and real life situations, which helps stimulate students’ original curiosity and thirst for knowledge and novelty. Longan Cards contains dozens of modules, involving a wide range of knowledge in the process of use, including electronic circuit, mechanical structurenature, programming, science of nature, daily wisdom, and humanities, etc. It is a powerful tool for STEM education at fields of electronic prototyping, science experimentation and DIY project.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cstyle type=\"text\/css\" xml=\"space\"\u003e\u003c!--\np.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 12.0px 'Helvetica Neue'}\nspan.s1 {font: 12.0px '.PingFang SC'}\n--\u003e\u003c\/style\u003e","brand":"Longan Labs","offers":[{"title":"Default Title","offer_id":55012260315502,"sku":"1018001","price":109.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/1018001-1.jpg?v=1789356029"},{"product_id":"1018002","title":"Open Sensor Pad Player Kit","description":"\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003eAssemble the kit to make a senosr pad to explore the basic sensor and code. More sensors and modules are ready to extend.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003eSensor Display Board allows you to connect Longan cards with Carduino for read sensor data, and display them with the OLED card. If you need more edge connector slots to connect more Longan card, plug an Extension board into one of the available slots.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003chr\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003ch2\u003e\u003cspan style=\"color: #ffc100;\"\u003e\u003cstrong\u003eInside Box:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003cdiv\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003eSensor Board x1\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003eCarduino 32U4 x1\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003eOLED Display Card x1\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003eTemperature Card x1\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003cspan\u003e\u003c\/span\u003eLight Card x1\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003cspan\u003e\u003cspan\u003e\u003c\/span\u003eSound Card x1\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003eScrew Package x1\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003eAcrylic Board x1\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003c\/span\u003eQuick Guide x1\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003eAAA Battery Card x1\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cdiv\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003cstrong\u003eNOTE:\u003c\/strong\u003e AAA Battery is NOT included.\u003c\/span\u003e\u003c\/div\u003e\r\n\u003c\/div\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003chr\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003eSpec:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003cdiv\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003ePower：2xAAA Battery\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003ePortable and easy to hold\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eWall mounting available\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003e\u003cspan\u003eConnection: Goldfinger\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium; color: #333333;\"\u003eDimension: 73 x 119 mm\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003c\/div\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003chr\u003e\r\n\u003ch2\u003e\u003cstrong\u003e\u003cspan style=\"color: #ffc100;\"\u003eReferences:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h2\u003e\r\n\u003cul\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003ca href=\"https:\/\/docs.longan-labs.cc\/1017007\/\" target=\"_blank\"\u003eHow to Use\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\r\n\u003cli\u003e\u003cspan style=\"font-size: medium;\"\u003ePinout:\u003c\/span\u003e\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-62908db678f1882bbc83c1cd716fc026a6059515e6d950671ca8d065ea28bf9d.png?v=1789434227\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cstyle type=\"text\/css\" xml=\"space\"\u003e\u003c!--\np.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 12.0px 'Helvetica Neue'}\nspan.s1 {font: 12.0px '.PingFang SC'}\n--\u003e\u003c\/style\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003chr\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003ch2\u003e\u003cspan style=\"color: #ffc100;\"\u003e\u003cstrong\u003eLongan Cards:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003cspan\u003eLongan Cards is a unique \u003cstrong\u003eopen-source development platform\u003c\/strong\u003e designed by Longan Labs. As a plug and play development tool, Longan Cards allows you to quickly build wide array of prototypes and applications in no time. A full set of Arduino libraries and plenty of example codes are available to play with Longan Cards system.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-9b76fb10ba24e8bc5af37eff51bb51f602bd282328d38915024c673bcc77f1f9.png?v=1789434232\" alt=\"\"\u003e\u003cspan\u003e↑ \u003c\/span\u003eLongan Cards system consists of \u003cstrong\u003eCards and Boards\u003c\/strong\u003e. There are many gold finger antennas on Card and several gold finger sockets on Board. They are combined together through sockets interpolation, which is intuitive and easy to use. With this unified and flexible interface, you can realize a variety of ideas. Many more Boards with different themes would luanch to help people explore more fun.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-526bb3f8dac10feec33e032ce1794229f06c03c30f987200061aec6139281c70.png?v=1789434241\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003cspan\u003e↑ \u003c\/span\u003eLongan Cards modules are classified into many types. Firstly, \u003cstrong\u003ethe main control cards\u003c\/strong\u003e which are the heart of Cards system, run the code and take charge of the exchange of data between modules. Besides Carduino, you can also use MicroBit, Arduino and other development board through connection board. \u003cstrong\u003eThe sensor cards\u003c\/strong\u003e can detect data of surrounding such as temperature and air pressure, etc. \u003cstrong\u003eThe inputs cards\u003c\/strong\u003e allows you to do some operations, such as buttons, knobs, etc. \u003cstrong\u003eThe output cards\u003c\/strong\u003e give feedback in various forms, such as buzzers, motor drives, etc. \u003cstrong\u003eThe communication cards\u003c\/strong\u003e can transmit data in many ways, such as Bluetooth and 4G network. \u003cstrong\u003eThe power cards\u003c\/strong\u003e supply power for electronic projects, including batteries, DC, etc. And \u003cstrong\u003eother cards\u003c\/strong\u003e, mainly do some auxiliary work, such as expansion, code downloading, etc.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/longan-description-c8d221ef6443805fd9ecb10dac268c79ea7d186ccc1eff07110575ee9ceb56c9.png?v=1789434246\" alt=\"\"\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003cspan style=\"font-size: medium;\"\u003e↑ STEM is an acronym for \u003cstrong\u003escience\u003c\/strong\u003e,\u003cstrong\u003e technology\u003c\/strong\u003e,\u003cstrong\u003e engineering\u003c\/strong\u003e, and\u003cstrong\u003e math\u003c\/strong\u003e. STEM education began in the United States in the 1990s. It is an interdisciplinary teaching method that combines STEM content and real life situations, which helps stimulate students’ original curiosity and thirst for knowledge and novelty. Longan Cards contains dozens of modules, involving a wide range of knowledge in the process of use, including electronic circuit, mechanical structurenature, programming, science of nature, daily wisdom, and humanities, etc. It is a powerful tool for STEM education at fields of electronic prototyping, science experimentation and DIY project.\u003c\/span\u003e\u003c\/p\u003e\r\n\u003cstyle type=\"text\/css\" xml=\"space\"\u003e\u003c!--\np.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 12.0px 'Helvetica Neue'}\nspan.s1 {font: 12.0px '.PingFang SC'}\n--\u003e\u003c\/style\u003e","brand":"Longan Labs","offers":[{"title":"Default Title","offer_id":55012260544878,"sku":"1018002","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1023\/5025\/8542\/files\/1018002-1.jpg?v=1789356047"}],"url":"https:\/\/longan-labs.cc\/collections\/longan-cards.oembed","provider":"Longan Labs","version":"1.0","type":"link"}