RTC-1

Raspberry Pi I2C RTC Real Time Clock Module sku:398854

Introduction

I2C RTC DS1307 RTC Module Real Time Clock Module for Raspberry Pi

Use Maxim DS1307 chip;
Compatible with the Raspberry pi model B/B+/A+, 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;