Description:

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

Features:

Use Maxim DS1307 chip

Extends CR1220 button cell backup

Can be operated by a shell

Set a serial port connector

Programmable square-wave output signal

Consumes Less than 500nA in Battery-Backup Mode

Automatic Power-Fail Detect and Switch Circuitry

Programmable Square-Wave Output Signa

Port:

Raspberry Pi B module 2X13 connection port
Raspberry Pi A+/B+/2 module 2X13 connection port

Kit include:

1 * RTC Module for Raspberry Pi (with battery)

Documents:

Accuracy ±2ppm from 0°C to +40°C
Work voltage 5V
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
Work temperature 0°C to +70°C
Typical Application:
Smart home
Utility Power Meters
Telematics