3Pcs I2C RTC DS1307 AT24C32 Real Time Clock Module For AVR ARM PIC SMD

3Pcs I2C RTC DS1307 AT24C32 Real Time Clock Module For AVR ARM PIC SMD Description: 24C32 32K I2C EEPROM memory Using LIR2032 rechargeable lithium battery with charging circuit Solve the problem of no literacy of the DS1307 with backup battery Support timing 1 year of the DS1307 after fully charged Leads to the DS1307 clock pin provides a clock signal for the microcontroller Other I2C devices can be cascaded Size: 27 x 28 x 8.4mm Note: Because of shipping restrictions, we won't ship battery Package included: 3 x DS1307 module ( battery is not included )