文档介绍：目录
第1章题意分析与解决方案.......................... ...........................................1
技术指标................................................................................ ....2
控制方案.............................................................................. ......2
第2章硬件设计.............................................................................. ....3
单片机电路设计............... .............................................................4
AT89C51AT89C51单片机引脚功能........。..........................................5
AT89C51单片机时钟电路及时序.....................................................5
AT89C51单片机复位电路.............................................................5
温度检测电路设计................ ..........................................................6
温度传感器.............................................................................8
变送器....................................... ...........................................8
温度控制电路设计............. .............................................................8
键盘及显示电路设计............... .......................................................10
键盘电路设计.........................................................................10
数码管显示电路设计.................................................................11
第3 章控制程序设计...........................................................................14
功能模块...................................................................................14
功能模块.................................................... ...............................14
资源分配模块.............. ................................................. ..............14
软件功能设计...... ........................................................................14
键盘管理..................... .........................................................15
显示管理............ .............................................................