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7 紅外線控制烘手機 一. 項目功能···································1 二. 總體設計構思·······························1 三. 電路圖·····································2 四. 單元電路的設計······························2 五. 制作調試中遇到的問題 ······················6 六. 心得體會···································7 七. 元器件明 細·································8 7 一.項目功能 通過紅外發(fā)射接收控制吹 風機電路,實現自動烘干手機的功能。 當手靠近吹 風機時,吹風機工作;當手離開吹風機時,吹風機停止工作。 二.總體設計構思