Rex Byrns wrote:
>
> Yeah dude, this is very common.  I myself have to use my new desktop to
> program with my noppp.  My laptop puts out just under 4 volts.  I could use
> different diodes and get it to work, but Radio Shack no longer carries
> 1n34's and I don't need to order anything else.
>
> Sometimes buying an extra lpt card will help if you are using a desktop (or
> if you are like me and like to hook up dangerous stuff to our puter).


I have a solution for this, stick some 1k resistors
(even 680 ohm) from the par port output pins to
+5v. Most par port chips are TTL and only give about
3.5v high, with the pullup you can get almost 5v.
Been there, done that! :o)
-Roman

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