yeah sorry i'll stop talking in a second but agreed with pete, there's just
no compelling reason to run it through your expensive computer.  Just buy a
$5 wall wart.

On Mon, Mar 16, 2009 at 11:56 PM, Peter Loron <peterl@standingwave.org>wrote:

> On Mar 16, 2009, at 7:52 PM, solarwind wrote:
>
> > @Peter, actually, I had a discussion about drawing power from the USB
> > port a while ago. It seems that there are protection circuits and
> > circuit breakers that disconnect power to the port if you're drawing
> > too much current.
>
> That is true. However there is a limit to how much abuse they can take
> if you hook the lines up someplace they shouldn't be. For example, if
> you send enough of an ESD through it, the USB port may become
> permanently damaged.
>
> My point was that you're hooking your computer up to some experimental
> circuit...you may wind up damaging the computer that way. A better
> solution is to get an external power supply rigged up.
>
> -Pete
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