Welcome to Laser Pointer Forums - discuss green laser pointers, blue laser pointers, and all types of lasers

How to Register on LPF | LPF Donations

Search results

  1. M

    Laser not emitting light

    Hey All, I have built a DDL driver with a 5 ohm (2x10 in parallel: measured value=5.4) resistor and hooked it to my 405nm diode (New 250mW+ 405nm 6X High Power Blue-Violet Laser Diode - eBay (item 270750778133 end time May-31-11 19:19:53 PDT)), however no light comes out. My battery is a 9-volt...
  2. M

    Put together a circuit?

    Hello All, I have recently purchased a 250mW (~2.2v @ 190mA according to the shop page) 405nm diode and it arrived today. It has three pins on the back and being sort of a newbie at electronics, I was wondering if anyone could tell me how to connect them? My multimeter has displayed infinite...


Back
Top