pzsmocn DS1307 RTC Module with Battery for Raspberry Pi B/A+/B+/2 Model B/3 Model B, Keep a Real Time Clock for a Long Time After The Pi Has Powered Down

9,80 €
(as of Jan 10,2021 23:48:19 UTC – Details)

I2C RTC DS1307 High Precision RTC Module Real Time Clock Module for Raspberry Pi 2 Model B
Use Maxim DS1307 chip. Extends CR1220 button cell backup.
Can be operated with shell command. Include a serial port connector.
Programmable square-wave output signal.Consumes Less than 500nA in Battery-Backup Mode.
Automatic Power-Fail Detect and Switch Circuitry.