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  1. E

    A Question About Divergence

    Here is the calculator pseudonomen137's JScript Diameter Calculator
  2. E

    If you look at a laser dot from over 50 feet away it can still damage vision?

    Somewhere was safe distance calculator. It calculating from power and divergenece.
  3. E

    I can see only little red light

    DO NOT LOOK INTO LASER WITH REMAINING EYE!!! I think your laser was overclocked 100mW and pump diode died
  4. E

    Cheap china android tablets

    TCC8902 CPU is the best, it can play 1080p full hd video without problems. look for tablets with that cpu, good is SmartDevices SmartQ T7 or T7-3G. You can buy it on allPMP.com EDIT: SmartDevices has the best community support
  5. E

    Neocube @ Alibaba

    Ok, nikokapo won
  6. E

    Neocube @ Alibaba

    Wait a minute, maybe I will find it cheaper
  7. E

    my new 2000mw laser with controller

    Very nice. What microcontroller do you use?
  8. E

    Can anyone identify this green module (several pics)?

    module looks like this 20mw Green Laser 532nm Dot Module Diode
  9. E

    How can I make my laser beam more sharp ?

    What do you mean by "sharp"? Beam thickness or divergence?
  10. E

    Where to buy OPHIR 20C-A sensor under 100$ ?

    ok, ok but it was on ebay 5 months ago and now I can't see it anywhere.
  11. E

    Where to buy OPHIR 20C-A sensor under 100$ ?

    Do somebody know where to buy cheap OPHIR 20C-A thermopile sensor? I saw it on ebay for about 60$ long time ago.
  12. E

    IR Laser Out of LPC-815

    I can see light up to 850nm
  13. E

    IR Laser Out of LPC-815

    It is dim red on white paper
  14. E

    Need help finding IR laser Diode with the following specs

    600microwats is not class IIIb, class IIIb is 5-500mW.
  15. E

    My first official build, in host, SH-S203 DVD diode \w pics

    Finnaly I hv added warning sticker. +beamshot
  16. E

    My first official build, in host, SH-S203 DVD diode \w pics

    I increased the current, now its 290mA@2.93V, burn match instantly :yh:
  17. E

    My first official build, in host, SH-S203 DVD diode \w pics

    Yes, I made lens nut. It is machined from brass, M8x1 thread. Lens is from DVD sled. I will take some beamshots at night.
  18. E

    My first official build, in host, SH-S203 DVD diode \w pics

    Hi, It is my first host build. LASER DIODE is from samsung writemaster 20x DVD burner, diode is some diffrerent type, so I must machine module from brass. It is running on 3xAAA batteries, using LM358 based low-dropout driver. I am running it at 180mA, I will increase the current later. It can...


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