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  1. W

    6x Lab With Servo Focus

    Here is a new build, 6X Blu-Ray adjustable from 39-175 mA on a LM317. One end of the focus servo is burn at 3 inches. The other end of focus is infinity like a pointer. Key is power to the servo circuit and a green LED. The switch sounds a 5 kHz tone for three seconds, then the red LED and the...
  2. W

    My First Blu-Ray...Thanks LPF

    Much appreciation to you all. Especially those that let the smoke out and share the info. I know where to run these things so they last because of you :). And now that I've been here long enough...... A PHR running on 8 AA niCad at 106mA. This host built about ten years ago. It's been...
  3. W

    I'm here now

    First off, thanks to all for what I was able to learn about the 405nm diodes here. This started because I found one on eBay last week. I bought one, then a google search for "Laser Forum". So here I am. Now about me. I have been a electronics's hobbyist for 30 years. I always wanted a laser. So...


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