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  1. Shotgundrums

    PLP520B2?

    If you buy plp520b1 from dtr you can get it with nano driver and it’ll be set to 470. Use a 2E 520 lens. With G2 it makes some yucky diode reflections.
  2. Shotgundrums

    Pen Laser Thread

    Nice new pens, Rich!! I love em!! SGD🍻
  3. Shotgundrums

    Beautiful blue Lifetime17 host for PLTB450b

    These 2 and 3 Element lenses have a spacer in them and they cast a nasty reflection... I’ve taken them out of 2 of my 3E lenses. It helps. But, if you take out the spacer you must be very careful when replacing rear lens and barrel nut NOT TO TIGHTEN IT MUCH. The convex lens portion will...
  4. Shotgundrums

    Sell thread,host and laser,405nm ,450nm,638nm

    Nice thread!! I like these simple hosts and they polish up well. Nice prices, too!! You’re practically selling these at cost. They should go fast. SGD🍻
  5. Shotgundrums

    Beautiful blue Lifetime17 host for PLTB450b

    Rich, I ordered one of these so-called Sharp “GH04C01A2G” 450nm diodes off of Techhood. Not sure how legit it is as I didn’t see it on Sharp’s listing. Maybe I didn’t look at the ri......anyway, I’m thinking up host ideas. I’ll let ya know when that journey starts. SGD🍻
  6. Shotgundrums

    Beautiful blue Lifetime17 host for PLTB450b

    Nice build, indeed!! As mentioned before don’t wanna shoot from the hip on your driver current. You’ll save yourself much grief. That’s a sweet host, too; Rich makes awesome stuff!! Be safe and enjoy!! SGD🍻
  7. Shotgundrums

    Hello fellow lasing geeks!

    Welcome to this irresistible illness🤣 I’ve not been on the forums very long. And I’ve built 15 now 🤦‍♂️. Everyone on here is awesome and incredibly knowledgeable!! Enjoy and be safe. SGD🍻
  8. Shotgundrums

    Sale thread/ Hosts/Heat Sinks/Focus adapters/lasers

    Alrighty, Rich! And the rest of you😁 I’ve built a few lasers...one a few months ago and two pens over the last week. All of the build hosts I’ll post here are from Rich. The white pen is Powder coated. I touched it up with some white enamel to conceal the minor faraday caged corners. The...
  9. Shotgundrums

    Pictures I Took of Laser Beams

    Those are incredible!! Nice work! SGD🍻
  10. Shotgundrums

    Reasons for 700mw laser not working well

    Your Oclaro is a great diode. The wavelength is marvelous. The divergence is wacky because it’s just the end-use design of these red MM diodes. I have another on hand in need of a driver and host. Don’t push it further than 1A if you can help it. My first build was with this...
  11. Shotgundrums

    Another Repair

    That looks maybe like one of Survival Lasers’ fixed drivers.
  12. Shotgundrums

    Lazer beam on blue lazer pen distorted

    I live in the land of all things Japanese. If you want some hand crafted cutlery I can arrange it. But like Red said, they are not cheap. But, Japanese 100% SGD🍻
  13. Shotgundrums

    Help on laser pointer store

    I’m glad I saw this!! I attempted to order one of the 532nm USB pens. Upon trying to check out, the function didn’t seem to work. I know a number of people here have ordered successfully... Hope you get it resolved. SGD🍻
  14. Shotgundrums

    Sale thread/ Hosts/Heat Sinks/Focus adapters/lasers

    Interesting build and terrific work as usual, Rich!! Hope you had a Merry Christmas and Happy New Year. I haven’t been playing with lasers much in the last several weeks, other than an EDC here and there. Been working odd hours and on the road a bunch. I’ve got a couple xwosee sepic...
  15. Shotgundrums

    FS: SKDRIVER for 7w, KDRIVER buck 2.6A, boost 1.1A, linear 0.8A

    Mr. Tung. Perhaps share what ICs you’re using w/ Paul. Might be able to help you iron these drivers out into good units. Good luck. SGD🍻
  16. Shotgundrums

    Sale thread/ Hosts/Heat Sinks/Focus adapters/lasers

    That’s a sexy little host, Rich!! Won few diodes on Techhood which may need hosts soon🤪 SGD🍻🍻🍻🍻🍻🍻🍻🍻🍻🍻🍻🍻🍻🍻🍻🍻🍻🍻🍻🍻🍻🍻🍻🍻🍻🍻🍻🍻🍻🍻🍻🍻🍻🍻🍻🍻🍻🍻🍻🍻🍻🍻🍻
  17. Shotgundrums

    Kdriver - New design buck driver 2.2A softstart

    Yeah, they do have quite a small footprint for what they do, don’t they... I’m anxious to see how the TungLaser drivers turn out. If there are any little quarks maybe he can divulge to you in confidence his choice of controllers to aid in smoothing out noise or inefficiencies in design🤷‍♂️ SGD🍻🍻
  18. Shotgundrums

    Kdriver - New design buck driver 2.2A softstart

    Paul, I know you’re retired n all. But, I still think you should be makin’ drivers 😁 I’d even help you with the leg work. 2¢ SGD🍻
  19. Shotgundrums

    Kdriver - New design buck driver 2.2A softstart

    Mr. Tung. You should throw a few of your drivers Paul’s way. Or to anyone willing to analyze them. We can always use more drivers. I’m surprised we don’t have more already, with all the sharp electricians on LPF. I can barely use Webench🤣 SGD🍻


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