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- DS1307 I2C real time clock chip (RTC)
- 24C32 32K I2C EEPROM storage
- Solve the read/write problem of the DS1307 with spare battery.
- After fully charged, it can provide one-year DS1307 timing.
- Extract DS1307 clock pin, providing clock signal for the - Seconds, minutes, hours can be provided by th chip.
- The number of days of each month can be automatically adjusted.
- The clock operate in 24-hour or 12-hour mode base on the AM/PM place.
- The chip has a built-in power sensing circuit that is to make electric leakage detection and battery switching.
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