This article introduces a kind of digital temperature detector of refrigerator which adopts AT89C2051 Micro Controller Unit(MCU) made by ATMEL Company and DS18B20 digital temperature sensor by DALLAS Company as main components.

• 介绍了一种采用ATMEL公司的AT89C2051单片机和DALLAS公司的DS18B20数字温度传感器为主要元件；设计的电冰箱数字温度检测仪.