A number of us have purchased an iTrip compatible with one of the first iPods. Most of the time, it outlives the iPod. Cobus decided to recycle one of them and use it with his laptop.
I opened my iTrip, then checked out the wiring diagram at http://www.maushammer.com/systems/ipod-remote/ipod-remote.html
I then installed the board in a plastic housing with a spot for batteries (in this case a TV remote), to which I attached a 3.5" audio jack (taken from some headphones)
The power resistance then needs to be removed (the cylinder with the coloured rings - maroon, black, maroon, gold) as the iPod provides 3.5 volts whereas our two batteries (recha