Brand new and high quality.
Without battery.please know it
The module comes fully assembled
The DS1307 is accessed via the I2C protocol.
Two wire I2C interface.
Hour:Minutes : Seconds AM/PM.
Day Month, Date - Year.
DS1307 based RTC without LIR2032 battery
1Hz output pin.
56 Bytes of Non-volatile memory available to user.
Model:DS1307 module
Size:2.9cm x 2.6cm - 1.14 inch x 1.02 inch
Color: picture color
Material: PC + metal
Package Contents: 5 x Arduino AVR ARM PIC 51 New RTC I2C DS1307 AT24C32 Real Time Clock Module
Only the above package content, other products are not included.
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.