Timing
C++ Library for the DS3231 real-time clock (RTC) module, ready to use on Arduino IDE and PlatformIO.
Provides access to date and time data, functionality for clock reading, clock setting, and alarms for the DS3231 high-precision real-time clock.
Maintainer: Frank Häfele
This library is compatible with all architectures so you should be able to use it on all the Arduino boards.
To use this library, open the Library Manager in the Arduino IDE and install it from there.