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ac use

  1. Technical Model Train Forum
    I always go crazy with LED applications. I wish to update some facts on their use. I do use a 3v flat battery to test the LED. POS being the top of the battery. If using a diode I have always gone with 1N4001. For one diode you can go with a smaller one, 1N914. RS 276-1620. They are rated at...