用proteus仿真，四个键盘控制，可以实现A/D转换，串口通讯，模拟热水、冷水温度设置，和香水喷洒功能控制！主界面有四个菜单，共有四个功能！只有四个按键控制！-Proteus simulation using the four keyboard control, can realize A/D converter, serial communications, simulation of hot water, cold water temperature settings, and featu