7 红外线控制烘手机 一. 项目功能···································1 二. 总体设计构思·······························1 三. 电路图·····································2 四. 单元电路的设计······························2 五. 制作调试中遇到的问题 ······················6 六. 心得体会···································7 七. 元器件明 细·································8 7 一.项目功能 通过红外发射接收控制吹 风机电路,实现自动烘干手机的功能。 当手靠近吹 风机时,吹风机工作;当手离开吹风机时,吹风机停止工作。 二.总体设计构思