【摘要】 本文阐述了单总线原理 ,介绍了单总线数字温度传感器DS18B2 0的功能特点、内部结构与工作方式 ,并给出了在粮情测量系统中由DS18B2 0与AT89C5 2构成的仓房温度采集网络的硬件原理图及其软件实现更多还原

【Abstract】 In this paper, the principle of 1-Wire is discussed. The features, structure and the operation of 1-Wire Digital Thermometer DS18B20 are introduced, furthermore.The hardware and the software realization of the Grain Depot Temperature Collection Network composed of DS18B20 and AT89C52, are also presented.更多还原