On 10 January 2015 at 06:38, Dwayne Reid <dwayner@planet.eon.net> wrote:


> Chargers generally have voltage dividers on the USB data pins to let
> the phone or whatever how much current is available for charging.  As
> far as I know, you can short those pins to either ground or plus rail
> without ill effects.  I just wanted to alert you to the fact that
> most chargers do indeed use those pins (as opposed to letting them float)=
..
>

Last time I looked [tm] the "Minty Boost" documentation had a reasonable
list of what combination worked with which devices.
Apple have some extremely interesting asymmetric combinations as I recall.


          Russell
--=20
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