Recent content by rplink3r

  1. rplink3r

    Switching power supply

    I need a simple 9V isolated supply for my multimeter. I have many coils, from ATX power suppys lying around in my junk staff, but i dont know how to use them. I tryed with ne555 and a power fet,on freq 150kHz,but the fet got too hot, and i had to shut all down :-\.I tryed many things, on the...
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