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Project Cronus

Simple and Organised Arduino library for I2C based RTCs.

This library enables the functionality for clock reading, clock setting, alarms and timers of I2C RTCs.

Features DS1037 DS3231 PCF8563 PCF8623 MCP7940
Address 0x68 0x68 0x51 0x68 0x6F
12 hours Yes Yes Yes Yes Yes
Alarms 0 2 1 0 2
Timers 0 0 1 0 0

How to Install

Search RTC from Arduino Library

RTC by Manjunath CV

To Do

  • Fix Unix Time Issue
  • Fix Weeks for all RTCs
  • Implement Alarms & Timers for Supported RTCs

Future

  • DS3232
  • RV-8803-C7
  • SD3031

Reference & Documentation