课程设计任务书................................................................................................................................3
七、考核方式与成绩评定办法........................................................................................4
1、方案论证......................................................................................................................................5
1.1 设计要求............................................................................................................................5
2 硬件设计.........................................................................................................................................6
2.1 系统组成及工作原理..........................................................................................................6
2.1.1 主控制器..................................................................................................................6
2.2 DS18B20 温度传感器与单片机的接口电路.....................................................................8
2.3 主板电路.............................................................................................................................9
3、软件设计......................................................................................................................................9
4 调试...............................................................................................................................................11
4.1keil 调试成功的截图..........................................................................................................11
4.2 protues 仿真图...................................................................................................................12
5 实物组装及调试...........................................................................................................................14
5.1 实际遇到问题及解决方法........................................................................................................14
5.1.1 长距离走线问题？.................................................................................................14
5.1.2 数码管的位选以及段选确定方法？.....................................................................14
5.1.3 实际调试方法？.....................................................................................................14
5.1.4 数码管显示较暗解决方法？.................................................................................14
6 心得体会......................................................................................................................................14
7 参考文献.......................................................................................................................................15
附录 1：原件清单...........................................................................................................................16
附录 2：程序清单...........................................................................................................................17
