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介绍了单总线数字温度传感器DS18B20在单片机系统中温度检测的原理及程序设计,着重分析了产生读出温度结果错误的原因,指出了解决的方法。
This paper introduces the principle and program design of single-bus digital temperature sensor DS18B20 in single-chip microcomputer system, and analyzes the reason of error of readout temperature and points out the solution.