Hobby Electronics Basics modify mp3 player for continious play

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Subject Author Date
modify mp3 player for continious play dave 09-14-07
Posted by dave on September 14, 2007, 9:31 am
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Is it possible to modify an MP3 player (I have one of those
stick-shaped mp3 players to play with) so it plays a music track
continiously?
Or (probably better) possible to get the player to switch on and start
playing a music track and then stop?
I thought maybe a relay that short circuits the on/off button may be
the way to do it. (?)
Thanks

Posted by Eeyore on September 14, 2007, 9:48 am
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dave wrote:

> Is it possible to modify an MP3 player (I have one of those
> stick-shaped mp3 players to play with) so it plays a music track
> continiously?
> Or (probably better) possible to get the player to switch on and start
> playing a music track and then stop?
> I thought maybe a relay that short circuits the on/off button may be
> the way to do it. (?)

Unlikely. What happens if you hold the button down continuously ?

You'd need to hack the firmware and I doubt that's really very practical.

Graham


Posted by Brendan Gillatt on September 14, 2007, 4:48 pm
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On Fri, 14 Sep 2007 14:48:25 +0100, Eeyore

>Unlikely. What happens if you hold the button down continuously ?
>
>You'd need to hack the firmware and I doubt that's really very practical.

If you have an S1 mp3 player (look around the internet to find out how
to identify them), try http://www.s1mp3.org/en/ for open source
firmware replacements.
--
Brendan Gillatt
www.brendangillatt.co.uk
GPG: 0xBACD7433

Posted by Brendan Gillatt on September 14, 2007, 4:55 pm
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On Fri, 14 Sep 2007 21:48:24 +0100, Brendan Gillatt

>On Fri, 14 Sep 2007 14:48:25 +0100, Eeyore
>
>>Unlikely. What happens if you hold the button down continuously ?
>>
>>You'd need to hack the firmware and I doubt that's really very practical.
>
>If you have an S1 mp3 player (look around the internet to find out how
>to identify them), try http://www.s1mp3.org/en/ for open source
>firmware replacements.

Oh, sorry, it appears the firmware they provide is just the stuff that
comes with them. However, if you're into writing your won there are
quite a few spec sheets on that site which may be of some use.
--
Brendan Gillatt
www.brendangillatt.co.uk
GPG: 0xBACD7433

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