My homemade GPS in-car track timer

[Rex]

This isn't a commercial adventure but it certainly has taken allot of time and it works well. I've had these at the track last year and I finally got it finished last week. Now I need another project!

I made a little demo video here:
GPXT-2 Demo (http://video.google.com/videoplay?docid=-1499062567943454217)