>Would have been nice if the size/type of the plug determined
>the voltage, but it's hard enough getting everyone to to get
>the polarity right (yes, that's you, Sony).

The example I know of was a Sharp laptop and LCD display for putting on an
overhead projector. The two devices from the same manufacturer had identical
looking power supply blocks - with the opposite polarities set on the plugs.
One day just before a very important presentation the inevitable happened -
and both devices went poof.

-- 
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist