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  1. viliuks

    SGTC (Spark gap tesla coil) help needed.

    Hello, geekies, I built a tesla coil not long ago with a flyback and some saltwater capacitors. So lets get to the point, I have saltwater capacitors which I want to change to normal capacitors that I need help determining which ones I need and what would their capacity be. I got a crummy home...
  2. viliuks

    Micro sgtc (spark gap tesla coil)

    As you can see I used some saltwater capacitors, going to go buy proper ones. And maybe an SVD driver for the flyback. So I made the sgtc and I'm seeking more advice and stuff.
  3. viliuks

    1N4937 diode

    I wanted to ask if there are 1N4937 diode equivalents and where to find them (without buying them), I want to tear something apart and take the diode from there, because no electronic shops supply them without buying them in bulk and I only need 1 of them for a flyback driver
  4. viliuks

    Would this be a good buy?

    Does anyone know what laser diodes comes out of Lite-On SHW-16H5S and LG Super Multi GH22NP20 Because I really can't find any info on the diodes, maybe someone encountered some of them? Because I found someone selling both of these for 12euro. Maybe it might be a good buy?:undecided:
  5. viliuks

    Changed the LPF theme to Lightweight, can't change back.

    ^As the title states, I need help on changing it back from mobile theme to the pc version, because I dont know how sadly... Fixed, Logging out and logging in helped.
  6. viliuks

    Best place to buy laser diodes in europe?

    I'm looking to buy some laser diodes in europe. Something from 300mw to 500mw. Could anyone post some good places to buy some laser diodes, that are not expensive or overpriced?
  7. viliuks

    [SOLVED] DvdRW laser diode not burning?

    So I made a driver circuit, made it output the max output for the laser diode, but even when focused it doesn't burn. I thought It was the diode from just a simble dvd/cd rom. But no, It was from a DVDRW rom. So whats the problem? And If anyone knows where I could buy some diodes and send them...
  8. viliuks

    Hi from Lithuania!

    Hello, I'm Vilius, from Lithuania :) I'm here to learn more about lasers and laser DIY :beer:
  9. viliuks

    2 red laser diodes from one dvd burner?

    So I was ripping appart 1 cd/rw rom. And I found 2 red laser diodes? I guess one is for reading and one is for burning the cds? How should I test wich one is which?
  10. viliuks

    Need help. Laser driver for 300mw laser diode. With lm317.

    Hi, can anyone provide a laser driver schematic for a 300mw laser diode from a dvd burner? Thanks in advance.




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