Longan Core 01 is an Arduino UNO compatible dev board designed by Longan Labs. We will make Longan Core into a series in the near future, because this board is the first one, so we named it 01. Longan Core 01 is an ultra-low-cost development board, that the price is less than half of an Arduino UNO board. In addition, we use Type-C interface for programming and power supply, which is more stable and easy to use. We also add a button on the board, which is connected to the D2 pin, so that users can use this button for some simple interactions with no need to access another button.

Longan Core 01 is compatible with libraries on Arduino community. And of couse you can download codes to the board with Arduino IDE

Features:

• Atmega328P microcontroller with Arduino UNO Bootloader
• CH340C Serial-USB converter
• 20 Digital I/O Pins (6 PWM Outputs and 6 Analog Inputs)
• Arduino UNO-R3 shield compatible
• Type-C USB connector for programming
• 3.3/5V system operation power switch
• Onboard User Button (Connected to D2) and Led
• ISP Header

Specification:

• Dimesion: 115x78x25mm
• DC current per I/O pin: 40mA
• Barrel jack input: 7~12V
• Flash memory: 32KB
• RAM: 2KB
• EEPROM: 1KB
• Clock: 16MHz

References:

• Longan Core 01 Docs
• Schematics of Longan Core 01
• Know more about Arduino UNO

PCS:

The above product not fully meet your needs? 

You can try PCS (Product Customization Service).