RTClib

This is a fork of JeeLab's fantastic real time clock library for Arduino.

Works great with Adafruit RTC breakouts:

• DS3231 Precision RTC
• PCF8523 RTC
• DS1307 RTC

Please note that dayOfTheWeek() ranges from 0 to 6 inclusive with 0 being 'Sunday'.

Compatibility

• ATmega328 @ 16MHz : Arduino UNO, Adafruit Pro Trinket 5V, Adafruit Metro 328, Adafruit Metro Mini
• ATmega328 @ 12MHz : Adafruit Pro Trinket 3V
• ATmega32u4 @ 16MHz : Arduino Leonardo, Arduino Micro, Arduino Yun, Teensy 2.0
• ATmega32u4 @ 8MHz : Adafruit Flora, Bluefruit Micro
• ESP8266 : Adafruit Huzzah
• ATmega2560 @ 16MHz : Arduino Mega
• ATSAM3X8E : Arduino Due
• ATSAM21D : Arduino Zero, M0 Pro
• ATtiny85 @ 16MHz : Adafruit Trinket 5V
• ATtiny85 @ 8MHz : Adafruit Gemma, Arduino Gemma, Adafruit Trinket 3V

Adafruit invests time and resources providing this open source code, please support Adafruit and open-source hardware by purchasing products from Adafruit!

Dependencies

• TinyWireM

Contributing

Contributions are welcome! Please read our Code of Conduct before contributing to help this project stay welcoming.

Documentation and doxygen

For the detailed API documentation, see https://adafruit.github.io/RTClib/html/index.html Documentation is produced by doxygen. Contributions should include documentation for any new code added.

Some examples of how to use doxygen can be found in these guide pages:

https://learn.adafruit.com/the-well-automated-arduino-library/doxygen

https://learn.adafruit.com/the-well-automated-arduino-library/doxygen-tips

Written by JeeLabs MIT license, check license.txt for more information All text above must be included in any redistribution

To install, use the Arduino Library Manager and search for "RTClib" and install the library.