DS1307 + AT24C128 + DS18B20 Triad Module

Function features
1.On-board DS1307 real-time clock chip,support the IIC communication protocol

2.On-board AT24C128 EEPROM memory chips,and support the IIC communication protocol

3.On-board DS18B20 digital temperature sensor chip,support single interface communication protocol

4.On-board 32.768 KHZ crystal oscillator,for module provides accurate clock signal

5.On-board CR1220 SMT battery holder

6.Support 5V dc voltage input

7.Commonly used pin have eduction,pin for the standard 2.54 mm

8.PCB size: 34.2 (mm) x20 (mm)