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Catalog : Arduino, Pi, Microcontrollers, 3D Printing and Kits : Arduino, Raspberry Pi and Microcontrollers : Raspberry Pi : Accessories

Raspberry Pi RTC Expansion Module v1.1

Raspberry Pi RTC Expansion Module v1.1

SKU: SE-114100001

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The RTC module is specifically designed for Raspberry Pi. It communicated with Raspberry Pi through I²C bus. There is a Maxim DS1307 and CR1220 button cell on the board to run the RTC in the absence of an external power supply. The 5V, 3.3V, GND, RXD, and TXD pins have been broken out for convenient debugging.


  • Accuracy ±2ppm from 0°C to +40°C
  • Working voltage - 5V
  • Battery backup input for continuous time keeping
  • Real-time clock counts seconds, minutes, hours, days, day, month, and year with leap year (leap year compensation valid up to 2100)
  • Working temperature - 0°C to +70°C

US$ 9.92 price
US$ 9.42 5 - 9 (5% Off)
US$ 8.93 10 + (10% Off)