Revive Freerunner with USB power?

Joachim Ott jo.omsl at googlemail.com
Wed Sep 10 19:31:01 CEST 2008


2008/9/10 Michael Shiloh <michael at openmoko.org>

> Joachim Ott wrote:
> > Before trying this: would it work to give USB power to the pins where
> > the battery connects in order to revive the FR or will that cause damage
> > in the device? The output of the USB is about 4.56 V and (I think) 500
> mA.
>
> It's fine. Just be very careful. If the polarity is wrong, or you touch
> the wrong pins, or you give the wrong voltage you will almost certainly
> damage your FreeRunner. Hook everything up, then get a friend to look
> and confirm you've done it correctly before you turn on the USB power.


Don't worry. I will use isolated alligator clips and check before, that +
goes to the red clip and - to the black clip and check once more, to which
pins red and black must be connected. I will also take pictures of that
operation.
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