目 录1 课程设计背景、内容和意义................................................11.1 课程设计背景...........................................................11.2 课程设计内容和意义....................................................12 总体电路设计和元器件的选型...............................................22.1 总体电路设计...........................................................22.2 元器件的选型..........................................................23 模块电路设计...........................................................103.1 电源设计.............................................................103.2 温度采集模块.........................................................103.3 湿度采集模块.........................................................113.4 显示模块..............................................................123.5 控制模块.............................................................123.6 A/D 转换模块..........................................................133.7 S51 单片机控制模块....................................................143.8 通信模块.............................................................154 PROTEL DXP 电路图设计...................................................175 制作 PCB 板.............................................................186 系统软件设计............................................................186.1 LCD12864 程序编写流程图...............................................196.2 PCF8951 程序编写流程图................................................196.3 DS18B20 程序编写流程图................................................206.4 GSM 模块程序编写流程图................................................227 系统调试...............................................................227.1 硬件测试.............................................................227.2 软件测试.............................................................238 总结................................................................
