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介绍了单总线数字式温度传感器(DS1820)的技术特性以及基于AT89C2051单片机温度控制应用系统的硬件电路设计和软件程序设计
The technical characteristics of the single-bus digital temperature sensor (DS1820) and the hardware circuit design and software program design of the temperature control application system based on AT89C2051