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  1. Herman the German

    Constant current source for a low Ohm load

    Please check at ELV.DE. As far as I know they offer a programmable current sink for a widespread band of operation. Don't sink too much current - otherwise You will have to buy an own nuclear power plant to cool the device properly. The german word for this device is: Programmierbare Stromsenke...
  2. Herman the German

    UV exposure box

    Yes, I can do! The film or whatever You use to expose Your future board likes parallel light very much and the more even the light is distributed over the entire board area the better will be the result. I built a box when I lived in germany (now Thailand, the no-have country) I used 6...
  3. Herman the German

    PCB photofabrication

    Here is another suggestion but I am sure it will work with Your system as well as it works with mine. I am using EAGLE and for best printing results I use the solder and the component side (solder side is blue and component side is red). On the screen they look violet but on the paper they are...
  4. Herman the German

    Timer

    ??? I did NOT want to know that, wise guy!
  5. Herman the German

    Timer

    Hello everybody, one of the forum members gave me this forums name to become a member. He thinks it will be helpfull for some of You having difficulties putting together an electronic device of a german kit concerning the language. I will be glad to help everybody out with translations and if...
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