> Why, pray tell, do you reduce Vdd to 3 volts and then increase back to 5V?
> And by what means?
>
> - JohnR

I can't remember if I answered this already so here goes (again).  I have a
regulator on my board and a big capacitor (10uF) to keep out noise, spikes,
etc.  Well, I plug in my device, the cap. charges to 5V quickly.
When I unplug the device, the cap. takes forever to discharge because the
PICs use so little power.  The problem is that the device seems to not work
if - say, it's plugged from one computer to another or the cable is lengthened
or for whatever reason I unplug and replug the device.  I've been shorting out
Vdd and Gnd every time so Vdd will start from 0V but I'd like a better
solution.

--

            -- Paul Greenwood --  (pablo@austin.ibm.com)

All true wisdom is found on T-shirts.