Originally Posted by
howardcano
It could certainly be used for that, but setting up your own loop, decoder, and computer would be inconvenient.
Once the RF stuff is done you can also consider to add a small micro and a display to build a personal laptimer.
You put your transponder in the loop, you press one button and the micro acquire the right sequence of your transponder, then it will only count your laps and display them on the LCD after your stop driving.
The final device may be something like this one ...
