本科论文目 录摘 要........................................................................................................................IAbstract.....................................................................................................................II引 言.......................................................................................................................11 系统方案设计........................................................................................................31.1 系统方案论证...............................................................................................31.2 系统工作原理...............................................................................................42 硬件设计................................................................................................................52.1 单片机...........................................................................................................52.2 按键设计.......................................................................................................72.3 光线检测模块...............................................................................................82.4 雨滴检测模块...............................................................................................92.5 电压比较器.................................................................................................102.6 微动步进电动机.........................................................................................112.7 硬件电路原理图.........................................................................................123 系统主要软件设计..............................................................................................143.1 软件环境.....................................................................................................143.2 程序设计................................................................................................
