Description
This accessory plugs on top of your Pi’s GPIO pins and contains a clock chip and a tiny CR927 lithium battery that allows your Raspberry Pi to remember the time.
The module uses a DS3231 chip which can be coded to have an alarm function (you can see some discussions on this here and here, and there are plenty more on the internet too)
Features
- Tiny GPIO RTC
- Works in 3.3V and 5V
- Built-in, non-replaceable CR927 battery
- Supported by Raspberry Pi and Arduino
Specification
- DS3231 RTC IC
- Self-adjust 3.3V and 5V
- Size: 14x16x12 mm
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