DS1307 Real Time Clock (RTC) Module
 
Specifications and Features:-
 
DS1307 I2C real-time clock chip (RTC)
AT24C32 32K I2C EEPROM memory
Two wire I2C interface.
Hour:Minutes: Seconds AM/PM.
Day Month, Date - Year.
DS1307 based RTC.
1Hz output pin.
56 Bytes of Non-volatile memory available to the user.
The DS1307 is accessed via the I2C protocol.
Compact design, 27mm * 28mm * 8.4mm