On Fri, Nov 12, 2010 at 7:53 AM, Olin Lathrop <olin_piclist@embedinc.com> w=
rote:
> Not necessarily. =A0USB voltage at the device can be from around 4.3 to 5=
..5
> volts worst case if I remember right. =A0Probably the phone contains a
> switcher to charge its battery and you don't need to be right on 5 volts =
in.
> Give it a try with a variable power supply to test it.

Yes, I'm going to experiment with voltage on my $700 phone.

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