This guy built an awesome scooter display with voltage monitoring, temperature, GPS, speedometer -- http://www.janspace.com/b2evolution/arduino.php/2010/06/26/

This guy built an awesome scooter display with voltage monitoring, temperature, GPS, speedometer -- http://www.janspace.com/b2evolution/arduino.php/2010/06/26/scooterputer http://www.janspace.com/b2evolution/arduino.php/2010/06/26/s... There's also some interesting stuff if you poke around hackaday.com