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DS3231 RTC Module

DS3231 RTC MODULE

Add an I2C real-time clock to your project.

Read calendar and time data from a DS3231 RTC module with an AT24C32 EEPROM. The module supports selectable time formats and two time-of-day alarms.

Before you order: Check the power supply, I2C wiring and any backup-battery arrangement required by your application.

DS3231 RTC Module — product view

Features

  • Support seconds,minutes,hours,day of week,month, year
  • Support 24-hour or 12-hour format with AM/PM indicator
  • Low-Power Consumption
  • Two Time-of-Day Alarms
Input voltage 3.3-5V
Fast (400kHz) I2C Interface* Size 38x22x14mm
Weight 8g
RTC chip DS3231
EEPROM chip AT24C32

Getting started

  1. Check the I2C pinout and backup-power arrangement.
  2. Connect the module and initialize it with suitable host software.
  3. Set the time and test timekeeping across the power conditions your project requires.

Frequently asked questions

Will the clock keep time when main power is removed?

Timekeeping across power loss requires an appropriate backup-power arrangement. Check the module and battery requirements before use.

Documentation & downloads

Bulk orders & project enquiries

Need multiple units or a specific configuration? Send your quantity, project requirements and target delivery date so we can review your request.

Discuss your requirements

For order questions, email info@longan-labs.cc. For technical support, email support@longan-labs.cc.

Longan Labs

DS3231 RTC Module

SKU: 2030013

$17.99

Shipping calculated at checkout.

In stock

Fast and reliable delivery
12-month warranty

DS3231 RTC MODULE

Add an I2C real-time clock to your project.

Read calendar and time data from a DS3231 RTC module with an AT24C32 EEPROM. The module supports selectable time formats and two time-of-day alarms.

Before you order: Check the power supply, I2C wiring and any backup-battery arrangement required by your application.

DS3231 RTC Module — product view

Features

  • Support seconds,minutes,hours,day of week,month, year
  • Support 24-hour or 12-hour format with AM/PM indicator
  • Low-Power Consumption
  • Two Time-of-Day Alarms
Input voltage 3.3-5V
Fast (400kHz) I2C Interface* Size 38x22x14mm
Weight 8g
RTC chip DS3231
EEPROM chip AT24C32

Getting started

  1. Check the I2C pinout and backup-power arrangement.
  2. Connect the module and initialize it with suitable host software.
  3. Set the time and test timekeeping across the power conditions your project requires.

Frequently asked questions

Will the clock keep time when main power is removed?

Timekeeping across power loss requires an appropriate backup-power arrangement. Check the module and battery requirements before use.

Documentation & downloads

Bulk orders & project enquiries

Need multiple units or a specific configuration? Send your quantity, project requirements and target delivery date so we can review your request.

Discuss your requirements

For order questions, email info@longan-labs.cc. For technical support, email support@longan-labs.cc.