We design a digital temperature control system combined with a thermometer utilizing a DS18B20, a heater utilizing a metallic electrothermal film and a controller utilizing a M16C/62 microcontroller.

• 用DS18B20作温度传感器，金属电热膜作加热元件，单片机M16C／62作控制器，构成一个数字式温度控制系统。