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led driver 120v

  1. J

    How does this work? Its black magic. LED working from 120v AC

    I was looking for the smallest simplest way to power an LED from USA household current which is 120 volts AC. At the dollar store I found an LED night light and opened it up expecting to see a tiny transformer or something to power the led but instead I found this: <see attached picture>. I...

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