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Thread: Can u tell me why led glows when the base is touched?

  1. #1

    Favorite 32 Can u tell me why led glows when the base is touched?

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    this is a circuit of touch screen sensor can u explain me the working of this n can u tell me why led glows when the base is touched?


  2. #2
    it acts as the negative terminal w.r.t. positive term(12v).

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