Introduction - If you have any usage issues, please Google them yourself
Four road temperature collection and alarm system with Proteus simulation, using the 51 microcontroller programming, at the same time, the detection of the temperature on four way DS18B20 temperature sensor, and the results displayed in the LCD 1602, at the same time have the adjustable temperature upper and lower limit function, exceed the limit alarm function, control function, but also has a serial port is more convenient.