Introduction - If you have any usage issues, please Google them yourself
This procedure is based on the STC Series MCU 2012 in-service teachers training course, the DS18B20 temperature acquisition in real-time, digital display, timer control Marquee, key switch function, set the lower limit on the temperature, high and low temperature alarm, following electrical control, stepper motor control, and other functions. For beginners to learn to use, and provide a reference to a certain microcontroller-based friends.