A library for Maxim Integrated DS3231 real-time clock (RTC) with Hardware Abstraction Layer for I2C interface, it is written in C.
✓ Cross-platform, works on a different platforms like: nRF5x, ESP32
✓ Use the date and time structure struct tm
✓ Set / get data and time
✓ Set two alarms (alarm1 and alarm2)
✓ Set squarewave frequency (1hz, 1024hz, 4096hz or 8192hz)
✓ Read internal temperature sensor value
✓ Get and set the oscillator stop flag
Thank you for considering contributing, just create GitHub pull requests.
This project is licensed under the MIT License - see the LICENSE file for details.