基于LCD时钟温度计的设计毕业论文.docx

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1、基于LCD时钟温度计的设计毕业论文目录第一章绪论···················································4第二章设计任务.··············································52.1设计任务··············································52.2设计要求··············································5第三章总体方案设计与论证··························

2、···········63.1液晶显示模块···········································63.2实时时间计算模块·······································63.3实时环境温度采集模块···································7643.4设置模块··············································8第四章总体方案组成框图·······································8第五章系统

3、硬件设计···········································95.1LCD显示模块············································95.2实时时间计算模块······································155.3实时环境温度检测模块··································205.4设置模块··············································26第六章系统软件设计··········

4、································27第七章系统硬件电路设计······································28第八章系统硬件PROTEUS仿真原理图····························3164第九章系统硬件仿真运行情况图································319.1显示实时时间··········································329.2显示当前温度·······························

5、···········339.3时间设置··············································34结语···························································35致谢··························································36参考文献······················································37附录······················

6、····································38附录一：实物图············································38附录二：PCB图·············································3964附录三：源程序代码··········································43第一章绪论时间在我们生活中有着不可替代的作用，它可以为我们清晰的记录下制作从开始到结束所需要的时间。时间对人们来说总是宝贵的，工作的忙碌性和繁杂性容易使

7、人忘记当前时间，忘记了要做的事情。当事情不重要的时候，这种遗忘无伤大雅，但是一旦事情重要，一时的耽误可能酿成大祸。例如，许多火灾都是由于人们遗忘而发生的，而时间和温度的重要性在医院、冶金、化工、食品、机械、石油等工业中，更是去足轻重。而现在钟表数字化给人们的生活带来了极大的方便，成为了人们必不可少的必需品。广泛用于个人家庭、车站、码头、剧场办公室等公共场所，给人们的生活、学习、工作、娱乐带来了极大方便。64第二章设计任务n2.1设计任务利用单片机、时钟芯片DS1302、温度传感器DS18B20、1602液晶等实现日期、时间、温度的显示即一个简单的万

8、年历。n2.2设计要求2.2.1A/D转换器可用ADC0809，也可选用自带A/D的单片机，完成1个通道的温度数据采集；2