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Subject: Re: power on mod and access to the SC1 pin
From: sophana (
Date: 2004-05-05 wrote:

>Well, I'm unfortunately not able to help you, but I would 1st like to point
>out that I'm very interested in the result of your mod (maybe you have seen
>the other topic in the mailig list, that I started about the AJB wake up).
>Well so far. I've seen that you have a pretty similar environment as mine
>(CDC simulator controlled by external uC). That means you do have also a a
>external HW, don't you ?
yes I use a pic for the sony unilink protocol and you?

>IMHO, it would be the easiest HW mod then simply shortcutting the ON button
>by a transistor that is located in your external HW. You know what I mean ?
>It would be like a second switch in parallel to the ON button that is
>realised as a transistor and wired outside the AJB to your HW. The
>transistor itself could then be controlled by your PIC.
yes through the line in connector. Have you found an easy place to
soldier a wire in the box?
no need for a transistor, just use the tristate function of the io pin
to do open collector.

>How about that ?


Page was last modified "Jan 10 2012" The Rockbox Crew