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  1. 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.
  2. 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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