This library enables the functionality for clock reading, clock setting, alarms and timers of I2C RTCs.
| Features | DS1037 | DS3231 | PCF8563 | PCF8523 | MCP7940 |
|---|---|---|---|---|---|
| Address | 0x68 | 0x68 | 0x51 | 0x68 | 0x6F |
| 12 hours | Yes | Yes | No | Yes | Yes |
| Centuries | 1 | 2 | 1 | 1 | 1 |
| Alarms | 0 | 2 | 2 | 1 | 2 |
| Timers | 0 | 0 | 1 | 2 | 0 |
Search RTC from Arduino Library
- Fix Unix Time Issue
- Fix Weeks for all RTCs
- Implement Alarms & Timers for Supported RTCs
- DS1337
- RV-8803-C7
- SD3031