Raspberry Pi Pinout

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This is a great battery-backed real time clock (RTC) that allows your Raspberry Pi project to keep track of time if the power is lost. Perfect for data-logging, clock-building, time-stamping, timers and alarms, etc. Equipped with PCF8523 RTC, it works great with the Raspberry Pi and has native kernel support.

This RTC will keep the time for about 5 years. The PCF8523 is simple and inexpensive but not a high precision device. It may lose or gain a second or two per day.


  • fabriqué par Adafruit
  • 6 broches
  • alimentation 3v3
  • 2 broches GPIO actives
  • communication par bus I2C
  • 0x68: PCF8523
  • plus d'info
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