Forwarded to the PICLIST:

>
> Piezo sounders can develop nasty open circuit voltages, but not much
> current.  Just swamp it a little with a parallel resistor, to keep
> the voltages in check, without affecting the sound level much.
>
> > I have heard of
> > instances (urban legends?) where pressing on the top of the case has
> > caused an internal processor to expire.
>
>
-- Lawrence Lile

Download AutoCad blocks for electrical drafting at:
http://members.sockets.net/~llile/index.htm