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Hello everybody!! I've been planning out this big project where I can
interface my computer with a basic electronic circut, like the thermometer
program, but I can't build anything until I know how much voltage come out of
the ports(LPT, and COM). Any one with information? I also wanted to know where
the + end of the voltage is(or - if that is the way it goes. I'm not really
sure yet.) I know something about there only being one input, but through
testing with the Euphoria LPT monitor, two pins are always on, and there are a
whole bunch of ground pins. Can anyone help?

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