The DS1307 is accessed via the I2C protocol,
Two wire I2C interface.
Hour: Minutes : Seconds AM/PM. Day Month, Date – Year.
DS1307 based RTC with LIR2032 battery,1Hz output pin.
56 Bytes of Non-volatile memory available to user.
Colour: Black
Material: plastic + metal
size:4*8*0.5CM
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