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目 录
一、摘要·········································································2
二、设计任务.····································································4
三、总体方案设计与论证···························································4
1、液晶显示模块·····························································4
2、实时时间计算模块·························································5
3、实时环境温度采集模块·····················································5
4、报警模块······························································6
5、设置模块······························································6
四、总体方案组成框图··························································7
五、系统硬件设计·····························································8
1、LCD显示模块··························································8
2、实时时间计算模块······················································12
3、实时环境温度检测模块·················································16
4、报警模块·····························································21
5、设置模块·····························································22
六、系统软件设计····························································23
七、系统硬件电路设计························································24
八、系统硬件PROTEUS仿真原理图············································25
九、系统硬件仿真运行情况图··················································26
1、显示欢迎界面·························································26
2、显示实时时间··························································26
3、显示当前温度··························································27
4、时间设置······························································27
5、最高报警温度设置······················································28
6、闹钟时间设置··························································28
7、超温··································································29
8、闹钟时间到····························································29
附录一：实物图······························································30
附录三：源程序代码·········
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