Adafruit DS3231 Precision RTC Breakout
Adafruit Industries, LLC mail
OSHWA UIDUS000390 Project Website
April 30, 2020
United States of America
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. Click the link labeled 'Project Website' to find out more.
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