Here is a more elaborate version of a scangauage. It does all the same stuff, plus gps navi, plus some customizable software based on Linux. Cost is $700 bones though.
DashDAQ Series II - customizable OBD2 gauges, data logging, dianostics, and GPS Navigation
Karl
DashDAQ Series II - customizable OBD2 gauges, data logging, dianostics, and GPS Navigation
Karl