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  1. L

    Diode help

    Hi, I have a big problem identifying the positive and negative terminals on a 16x red DVD laser pointer. Using the diode function on a multimeter doesn't seem to work. I get 0L after putting all 6 possible combinations of red and black on the diode's 3 pins. I don't have photos now, but...
  2. L

    Hi to all

    Hi, I'm limbeh from Singapore. I randomly stumbled upon this while surfing the Net, and so I'm here to learn from you all.


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