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  1. M

    WTB: Red laser protection goggles

    If anyone has any good prices, please tell me! =] Oh and my laser has a wavelength of 650nm
  2. M

    Beam not focused

    So I've pretty much built a laser, but the only problem is, the beam isnt focused. If it helps, I'm using a dorcy jr for host and I have my diode in an Aixiz module. (btw I tried searching and didn't get much =/)
  3. M

    Anyway to know which pin on diode is negative and

    without using a multimeter or something like that? My parents don't really want to spend the money for that. Is it always going to be as this picture shows it? I got it from somewhere on this site about a week ago. I don't really remmeber where ^^" Thanks!


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