本科毕业设计（论文）题目基于单片机的智能加湿器设计姓名******专业电子科学与技术学号*********指导教师****郑州科技学院电气工程学院二一五年〇五月目录摘要....................................................................................................................IAbstract....................................................................................................................II1绪论....................................................................................................................11.1选题背景和意义....................................................................................11.2发展现状及前景....................................................................................21.3设计任务................................................................................................32系统硬件设计....................................................................................................52.1总体设计................................................................................................52.2单片机模块............................................................................................62.2.1单片机介绍................................................................................62.2.2单片机的特点............................................................................72.2.3单片机最小系统........................................................................92.3传感器模块............................................................................................102.3.1温湿度传感器选择方案............................................................102.3.2DHT11数字温湿度传感器........................................................112.3.3传感器电路................................................................................142.4液晶显示模块........................................................................................152.4.1显示器的设计方案....................................................................152.4.21602字符型液晶显示屏............................................................152.4.31602LCD电路............................................................................182.5报警电路模块........................................................................................192.6按键模块................................................................................................202.6.1输入设计方案............................................................................202.6.2按键电路....................................................................................202.7系统电路工作原理................................................................................213系统软件设计....................................................................................................233.1主程序设计............................................................................................233.2温湿度检测控制模块设计....................................................................243.3液晶显示模块设计................................................................................254系统调试与分析................................................................................................274.1软件调试..............................................................................................
