摘要
利用 8 9C51系列单片机控制系统 ,采用一种新型矩阵输入电路 ,实现对多路供热场所温度的定时巡回监测。
The paper discusses the way the time itinerant inspection of temperature of heat-supplying places is accomplished by introducing a new type of matrix input circuit,based on 89C51 series single chips.