文档介绍：目录
摘要···············································1
一、引言···············································2
二、总体方案设计与论证·································3
1、方案一·········································3
2、方案二·········································4
三、系统硬件选择·······································5
1、单片机的选择···································5
2 89C51 引脚功能介绍:··························· 6
3、温度传感器的选择·······························8
·······································10
···································11
·······································12
五、系统软件设计········