iHaospace DS1307 Real Time Clock Module for Raspberry Pi RTC Module

Produktbeschreibung
The RTC module is specifically designed for Raspberry Pi. It communicated with Raspberry Pi through I2C bus. There is a Maxim DS1307 and CR1220 button cell on the board to keep the real time for a long time after the Raspberry Pi has it¡¯s power down. Set a serial port, TTL convenient way online debugging Use DS1307 chip The CR1220 battery is not included Set a serial port connector Programmable square-wave output signal
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