Abstract
This system regards AT89C51 single-chip computer as its central chip, adopts digital,temperature sensor, DS18B20 to gather the signal of temperature-controlling, and then part of view and detection controlled bythe single-chip computer. The first,this paper introduces the temperaturesensors technologies on the current development and future trends. Then,there are the details of introduction of the single-wire technical strengths and digital temperature sensors applications. Then a brief description of the hardware part of the system, the final, there are details of the system’ssoftware components and my ideas of the programming. In the part of the note, there listed the main program , the subprogram, and some important data as supporting notes.
Keywords：temperature control,AT89C51, DS18B20,C51
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