图文版在这里 http://www.yiming.info/gpsracing
A GPS based racing data acquisition/analyzer will record the position/time
information during your racing. These data will be used to draw your driving
trace and calculate speed/accelation vs. time/distance curves. And you can
compare your laps in a single graph. I used my solution to compare my
autocross runs with other top dogs, and learn a lot from it (especially
useful from the same class).
So our goal is to build such a system in a budget of $200. If
