JY-MCU Mini_RTC DS1307 Arduino Compatible Time Clock Module
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- DS1307 real-time clock chip (IIC interface rate 100KHz)
- Onboard AT24C32 IIC interface EEPROM memory
- Use 32.768KHz 20ppm accuracy of the crystal, and reliable grounding fixed
- Welding CR927 non-rechargeable 3V battery
- Input power to join the anti-reverse diode reversed power power does not burn circuit
- Set the power indicator
- Reserve DS18B20 temperature sensor interface
- Leads SQW / OUT interface, you can set the output four frequency square wave
- IIC devices can be cascaded, pins welded
- Includes a 24C32 32K I2C EEPROM which is also accessible via I2C
- Has a position for a DS18B20 Temperature Sensor to be soldered in