Description:

Onboard DS1307 real-time clock chip, supports IIC communications protocol
Onboard AT24C128 EEPROM memory chips, support for IIC communication protocol
Onboard DS18B20 digital temperature sensor chip, supports single-wire interface communication protocol
32.768KHZ onboard oscillator to provide accurate clock signal module
Onboard CR1220 battery holders SMD
Support 5V DC voltage input
Common pin has been drawn, the standard 2.54mm pin
PCB Dimensions: 34.2 (mm) x20 (mm)

Package Included:
1 x DS1307 + AT24C128 + DS18B20  Clock Module