using debian on a powerbook g3 233mhz (lombard), a kensington auto/ac/air adapter and crystalfontz lcd screen with usb->serial adapter you can a pretty slick (and inexpensive) in car mp3 play for ...
A device that enables a digital music player to work through an automobile's audio system. Generic MP3 car adapters work with all players, including iPods; however, there are many car adapters ...