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  1. J

    LED DC boost circuit

    Hello, I just discovered these dc step up boards rated : 3-5 v in 3-15 v out 1.2 a max I'd like to use them to drive 6~8v diodes at 100~200mA from a single 4.2v li-on cell. Do you think that tiny pot can be precise enough to set 100ma ? Or is there major risk to fry the diode because of the...
  2. J

    (deleted)

    Deleted
  3. J

    Hello, new here

    Hi LPF, new member here. Laser enthousiast from Belgium. I own a few uv, blue, and green pointers. I plan modifying and building my own. Greetings


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