本文从硬件和软件两方面介绍了MCS-51单片机温度控制系统的设计思路，对硬件原理图和程序框图作了简捷的描述。-In this paper, both hardware and software introduced the MCS-51 single-chip temperature control system design, hardware and procedures schematic diagram made a simple descr iption.

基于单片机AT89C51，时钟芯片DS1302.温度测量电路DS18B20，显示电路LCD1602，仿真-Based on SCM AT89C51, clock chip DS1302. Temperature measurement circuit DS18B20, display circuit LCD1602, simulation