I2C DS1307 Real Time Clock Module $8.61

I2C DS1307 Real Time Clock Module ( $8.61 )

I2C DS1307 Real Time Clock Module

Main Features: Use maxim DS1307 chip Compatible with the Raspberry Pi model B / B+ / A+ and Raspberry Pi 2 model B CR1220 button cell can be replaced Battery backup input for continuous time keeping Real-time clock counts seconds, minutes, hours, day, date, month, and year with leap year compensation valid up to 2100 You can set a serial port connector Programmable square-wave output signal Automatic power-fail detect and switch circuitry Programmable square-wave output signal

I2C DS1307 Real Time Clock Module

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