Car PC MP3 Player

  
This is a computer I built for my car, its an MP3 music system but can also do other tasks. Based around a super-small sub-micro ATX motherboard from a computer known as the BookPC BKi810, I have put the motherboard, hard drive, and a 12 volt power supply in a small case that fits under the seat of my car. Total size is approximately 11 x 8 x 2 inches. The motherboard has a lot built in. The connectors, from left to right, are mouse, keyboard, 100 MB ethernet, 2x USB, printer, S-Video, composite video, VGA video, joystick/MIDI, audio out, line in, mic in, and then two connectors I added: power in and remote control.
Car PC MP3 Player - schematic

The main case has latches to keep it shut, and make it easy to show off the internals. Unfortunately I have not found a source for these plastic enclosures, this was one salvaged from a 15 year-old professional modem! The CPU fan is also the system fan, a



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