Real Time Clock DS1307 RTC I2C Module AT24C32 with CR2032 Coin Battery

24C32 32K I2C EEPROM Memory

Backup by AT24C32 32 Kbit

DS1307,AT24C32 can work separated

Leads to the DS1307 clock pin, to provide the clock signal for the microcontroller

DS1307 I2C real time clock chip (RTC)

LIR2032 rechargeable Lithium battery with charging circuit

Fully charged, can power DS1307 module for 1 year

DS1307 can provide clock for microcontroller

I2C devices can be cascaded