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Posted: Fri Nov 22, 2002 3:13 pm
by GomiBoy
An external keyboard or mouse port has +5 and ground on it. Here's a pinout:
http://www.indiacam.net/pinout/pinout_p ... ouse.htm#3

I hacked a serial cable and old mouse together to pull +5V from the mouse port and provide power on pin 9 of the serial cable.

You could probably do the same with USB

Good luck!

Chris