Adafruit DS3231 Precision RTC Breakout
Adafruit Industries, LLC mail
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.
Version
Rev ALicenses
Project Type
Electronics