设计目的与要求···························11
1 设计要求······························11
2 设计思路简述····························11
3 整体结构框图····························12
系统硬件设计····························22
1 单片机最小系统模块·························22
1 单片机 AT89C51··························22
2 晶振电路···························32
3 复位电路···························32
3 温度传感器 DS18B20 模块·······················42
1 结构特点····························42
2 引脚说明····························52
4LED 数码管模块···························52
1 工作原理····························52
2 显示方式····························63
系统软件设计····························73
1 主程序流程图····························73
2 数据采集电路流程图·························83
3 显示电路流程图···························94
系统仿真与调试···························10参考文献·········
