目录1.绪论.................................................................................................................11.1系统工作原理...............................................................................................11.2系统模块.......................................................................................................11.3系统操作界面及其操作过程.........................................................................21.3.1系统操作过程.........................................................................................22.部件的选择....................................................................................................32.1芯片的选择...................................................................................................32.2继电器的选择...............................................................................................32.3阀门的选择...................................................................................................32.3.1电磁阀的选择.........................................................................................33.硬件设计........................................................................................................43.1设备的结构...................................................................................................43.1.1中央处理单元.........................................................................................43.1.2LED显示部分..........................................................................................43.1.3电磁阀部分.............................................................................................43.1.4按键部分..................................................................................................43.1.5指示灯部分.............................................................................................53.2总电路设计图...............................................................................................53.3AT89C51单片机电路....................................................................................63.4晶振电路.......................................................................................................63.5复位电路.......................................................................................................73.6按键电路.....................................................................................................103.9LED显示电路..............................................................................................103.10电磁阀电路...............................................................................................124.软件设计.....................................................................................................134.1系统组成......................................................................................................134.2消抖流程及程序.........................................................................................144.3总流程及程序.............................................................................................164.4按键处理总流程及程序.............................................................................174.5工作中的处理流程.....................................................................................195.结论.....
