RTC DS1307

Feature:
DS1307 I2C real-time clock chip (RTC) 24C32 32K I2C EEPROM memory.
The module comes fully assembled.
DS1307 clock pin to the outside.
Designed for Arduino tiny RTC.

Specification:
The DS1307 is accessed via the I2C protocol.
Two wire I2C interface.
Hour: minutes: seconds AM/PM.
Day month, date – year.
Accurate calendar up to year 2100.
1Hz output pin.
56 Bytes of non-volatile memory available to user.
Size: 2.8cm x 2.7cm. / 1.14inch x 1.02inch.