Adafruit DS3231Ultra Precision RTC Breakout - I2C
Adafruit Product Code: AF3013
Availability: In Stock
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Adafruit DS3231 Precision RTC Breakout - I²C
The datasheet for the DS3231 explains that this part is an "Extremely Accurate I²C-Integrated RTC/TCXO/Crystal". And, hey, it does exactly what it says on the tin! This Real Time Clock (RTC) is the most precise you can get in a small, low power package. This is one of the finest RTC you can get
DS3231 will switch over to Bat when Vin power is lost
Size 23mm x 17.6mm x 7.2mm
Compatible with Battery: CR1220
1 x Adafruit DS3231 Ultra Precision RTC Breakout - I2C
CR1220 Battery not included, can be purchased >
real time clock,
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