The usb cable i've got is about 2 feet long and draws power directly from the computer itself, so no drop in power. I've got a regular serial cable that came with my play-around phone, but I've never used it since i don't have a serial port on my laptop.
Nice mug-shot. Who is it, I can't read the tag. (old fart w/ bad eyes)
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remember the ultimate answer is "42"