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  1. C

    2A driver circuit ... Need help

    I know a lot of people buy drivers but I'm more interested in the electrical circuitry in building lasers . I recently built a 0.8mA red laser and a 1.25A blue laser with a m140 diode. I want to build a driver that can operate at 2.0A because these m140s can be pushed to 1.8A comfortably . The...
  2. C

    First build-need some power supply advice

    So I built my own driver and although I do not have the laser module installed into the heat sink yet I have put my meter on the output terminals for testing and used a simple led diode for testing also. I read about 340mA output and 6.5V when my meter is on the output terminals . I intend to...