摘要
介绍以AT89C51 /55单片机为核心的主从机温湿度自动巡回监测系统;此系统主要由单片机、传感器、多路开关和信号处理、A/D转换子系统等组成,其中多路信号选择由CD4051和CD4052完成,电路简单可靠。
The temperature and humidity automatically detecting system based on AT89C51/55 was designed in this paper. This detecting system is made up of MCU, sensor, multiway switch and signal processing, A/D conversion subsystem etc, multiway signal selection can be completed by CD4051 with CD4052, the circuit is simple and dependable.
出处
《仪表技术》
2005年第2期33-34,共2页
Instrumentation Technology
关键词
温湿度
多路信号采集
单片机
temperature and humidity
multiway signal collecting
MCU
