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Recent content by MarioMaster

  1. MarioMaster

    Convert a red HeNe to yellow

    I figured I would bump this thread, DJZ spent a bunch of time at SELEM 2018 playing musical mirrors with my SP-127 and was able to get orange out of the tube. The SP-127 is now his and hopefully he will update this thread with his new findings :)
  2. MarioMaster

    What happend?

    Also keep in mind some of the huge online user statistics come from when say Styropyro's youtube videos go viral - I remember a huge surge back when Jayrob made his zippo laser lighter. That was a big buzz for a while.
  3. MarioMaster

    What happend?

    Traffic to LPF is a fairly useless metric though, over 90% of traffic comes from unregistered users. Currently Active Users: 7269 (135 members and 7134 guests) We would probably need access to the LPF database to be able to get internal activity stats.
  4. MarioMaster

    What happend?

    Not sure I get your point? If I search "burning laser" on google, I don't get any LPF links on the first or second page. I actually get a hit on CandlePowerForums before anything besides direct places to buy one. Also in the trend you linked, we're currently down to about 30-40% of the peak...
  5. MarioMaster

    What happend?

    Yeah that's the point though, people actively seeking out a laser pointer forum has dropped pretty far from the peak back in 2010-2011 back when this place was really hopping. Most members don't stick around for more than a few years before moving on. Lots of newbie activity helps keep the...
  6. MarioMaster

    What happend?

    I think this paints a better picture https://trends.google.com/trends/explore?date=all&geo=US&q=laser%20pointer%20forums
  7. MarioMaster

    DIY Thermal LPM for under $50

    I was going for low BOM count but I am currently doing some testing and plan on updating some component values to make some adjustments less fiddly
  8. MarioMaster

    DIY Thermal LPM for under $50

    Oh hey look what I found
  9. MarioMaster

    DIY Thermal LPM for under $50

    Well yes if you mean by now you mean 2015 when I originally posted the v2 schematic (post #541) I do not see any shorts on the board, maybe you are seeing the 9V1- and 9V2+ being connected? This is intentional. Anyway I think after taking a look at this project with fresh eyes it could really...
  10. MarioMaster

    I just re-hosted the image, thanks for letting me know

    I just re-hosted the image, thanks for letting me know
  11. MarioMaster

    DIY Thermal LPM for under $50

    Hi guys, I have re-hosted the v2 schematic image on the original post.
  12. MarioMaster

    Open Source Argon Laser Controllers

    To do list: Fix pinout for the mode switches (push-push style latching pushbuttons) Add mounting holes for large size potentiometers or find some smaller ones that have built-in knobs
  13. MarioMaster

    Open Source Argon Laser Controllers

    Hey everyone, I'm putting together an open-source argon laser control board. The goal is to provide one board that supports multiple configurations; to support both a simple "get it running now" and a fancier digital interface depending on what parts you populate on the board. I have a super...
  14. MarioMaster

    FS- LPM, vintage, old skool...

    Yes the LPM shown in your review is an original Radiant Alpha 2W LPM.




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