Introduction - If you have any usage issues, please Google them yourself
The device s function is to conduct real-time temperature monitoring and control. DS18B20 from temperature sensors on the temperature sampling and converted into digital signals into single-chip, and set the alarm temperature, the lower limit compared to information through the LCD display. Such as real-time temperature exceeds the set upper and lower limits, on the one hand by the LCD to display information and warning sound on the other hand, automatic control relay (Relay) to connect or disconnect opened to control the heating of the open source and off, to achieve real-time temperature control.