目 录
1 引言...........................................................................................................................2
2 设计要求...................................................................................................................2
2.1 设计目的.......................................................................................................2
2.2 基本要求.......................................................................................................3
3 方案设计...................................................................................................................3
3.1 温度传感器方案论证.....................................................................................3
3.1.1 方案一...................................................................................................3
3.1.2 方案二...................................................................................................3
3.2 总体设计框图.................................................................................................3
4 硬件设计...................................................................................................................4
4.1 单片机系统.....................................................................................................4
4.2 数字温度传感器模块.....................................................................................5
4.2.1 DS18B20 性能 ........................................................................................6
4.2.2 DS18B20 外形及引脚说明 ....................................................................6
4.2.3 DS18B20 接线原理图 ............................................................................6
4.2.4 DS18B20 时序图 ....................................................................................7
4.2.5 数据处理...............................................................................................8
4.3 L298 电机驱动模块 .........................................................................................9
4.4 LCD 显示电路模块...........................................................................................9
5 应用软件介绍..........................................................................................................10
5.1 Proteus 仿软真件的介绍 ...........................................................................10
5.2 Keil 软件.....................................................................................................10
6 软件设计.................................................................................................................10
6.1 主程序模块...................................................................................................10
6.2 读温度值模块...............................................................................................11
6.3 中断模块.......................................................................................................13
6.4 仿真模块.......................................................................................................14
7 源程序......................................................................................................................................16
8 总结.........................................................................................................................19
参考文献：.................................................................................................................20
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