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Access-Control

使用 Arduino UNO R3 制作简易门禁系统。

你需要:

  1. Arduino UNO R3(CH340G)
  2. 拉力足够的舵机(MG90S)
  3. NFC 读卡器(MFRC522)
  4. (可选)蜂鸣器(KY012)

连线如下图所示。

连线

代码需安装库 MFRC522 == 1.4.4 才可编译。

将 MG90S 用胶水固定到门上,用线拉住门闩,再将 MFRC522 放到门外即可使用。

注意 MFRC522 不可贴着金属(如铁门)使用,否则会失灵。同时为了防止被人拔线,代码里每隔 20s 会重置 MFRC522 。

效果

效果

效果

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