Ds3231 Precision Rtc Featherwing

AdafruitFeather

DS3231 Precision RTC Featherwing adds an I2C-integrated Real Time Clock with a Temperature Compensated Crystal Oscillator to any Feather board.

In stock

Specifications

Operating Voltage: 3.3V (from Feather) or CR1220 battery backup for RTC power.
Logic Level: 3.3V

Pin	Name	Functions	Notes
3	SDA	I2C	10K pullup resistor to 3.3V
5	SCL	I2C	10K pullup resistor to 3.3V
7	3.3V	POWER	Used to power the RTC
9	GND	GND	Used to ground the RTC
14	RST	GPIO	Open drain, internal 50K pullup

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