Hello Neil, My PC is a notebook with three prong plug, the ground is connected to earth. I measured about 0.1mA going from the Dataman ground to the PC ground (earth). I only have a cheap multimeter on hand so it might not be very accurate, I can bring a good one if it helps. Thanks to your detailed...

Hello everyone, I have just bought a Dataman-40Pro eprom programmer and I'm having some problems with it. The first time I connected the programmer, everything went fine. When I disconnected it, I felt an electric shock (I was touching the case of the computer and the USB cable coming from the progr...