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Subject: RE: AJB wake up in car application

RE: AJB wake up in car application

From: Chris Weaver <>
Date: Thu, 25 Mar 2004 16:50:29 -0600

It looks to me like any pulse at all up to just less than 1 second.

A target of .25-.5 seconds would probably work well.

-----Original Message-----
From: [] On Behalf Of xx xx
Sent: Thursday, March 25, 2004 10:03 AM
To: Rockbox development
Subject: Re: AJB wake up in car application

Do you have any idea, what pulse width would be ok for doing like this ?


> > One feature is missing. That is to wake the AJB up, when power returns.
> > Currently I need to have the AJB within reach, to press ON if I want to
> > switch it on.
> You can switch on the box by a power "pulse" on the external supply jack.
> Long enough to wake it up, but short enough to let it not go into charge
> mode.
> When that check is don, you can apply the power again.
> Jörg

Sent by: Matthias Klumpp
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Received on 2004-03-25

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