--- John Waters <john_fm_waters@hotmail.com> wrote:
> I need to build a portable audio device that will
> play music to the user wearing it. However, I want
> to use a PIC to control the operation of the device
> e.g. selecting tracks. I cannot use off-the-shelf
> commercially available MP3 players, because the
> operations of these player are all controlled by the
> user through some mechanical switches. 

Well, in fact some also have other ways of controlling
them. iPods, for instance, have a serial port and
three different ways of controlling them through that
serial port.

Here's a place to start, but the search engines are
your friend.

http://ipodlinux.org/Apple_Accessory_Protocol

All that being said, most portable mp3 players are
crap, including the iPod. Or perhaps its the most
crappy, since it is just as buggy as the cheap ones,
but is more expensive.

Cheerful regards,

Bob "oops, my iPod rebooted just to spite me" "the
song playing is not the one it says is playing" "it
won't turn off" "all of a sudden my audiobooks are
mixed in with music tracks" Blick
-- 
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist