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SKU 808786

Raspberry Pi RTC Expansion Module v1.1

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Original price €8,87 - Original price €8,87
Original price
€8,87 - €8,87
Current price €8,87

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The RTC module is specifically designed for Raspberry Pi. It communicated with Raspberry Pi via I2C bus. There is a Maxim DS1307 and CR1220 button cell on the board to keep the real time for a long time after the Raspberry Pi has it's power off. In order to offer a convenient way to debug, there are five pins has been setup which are 5v, 3.3v, Rxd,Txd on board.

CR1220 button cell not included.


  • Use Maxim DS1307 chip
  • Extends CR1220 button cell backup
  • Can be operated by a shell
  • Set a serial port connector
  • Programmable square-wave output signal
  • Consumes Less than 500nA in Battery-Backup Mode
  • Automatic Power-Fail Detect and Switch Circuitry
  • Programmable Square-Wave Output Signal
  • Raspberry Pi3 compatible


  • Accuracy ±2ppm from 0°C to +40°C
  • Work voltage 5V
  • Battery Backup Input for Continuous Time keeping
  • Real-Time Clock Counts Seconds, Minutes, Hours, Day, Date, Month, and Year with Leap Year Compensation Valid Up to 2100
  • Work temperatures 0°C to +70°C


  • 1 x RTC Module


Please visit our wiki page for more info about this product.