摘要
介绍了DS1820温度传感器的特性,设计了PC并口与DS1820组成的测温系统,并给出硬件原理图,软件流程图和主要子程序。该系统成本低,结构简单,操作方便。
ln this paper, the characteristics of DS1820 and a design of a temperature-measure system which is based on the PC's parallel port and DS1820 are introduced.The principium chart of hardware, flow chart of sofeware and main subprogram are also given.The system has low cost ,simple structure and convenient operation .
出处
《仪器仪表用户》
2006年第4期29-31,共3页
Instrumentation
关键词
DS1820
并口
单总线
读写时间片
流程图
DS1820, parallel port, single-wire, reading/writing timeslic e.flow chart
