I bought a Sharp Zaurus and put OpenBSD on it with the intention of making a lap timer for my car. I tried to use this timer on my Treo in my R32, but it's so buggy and would crash the phone all the time, and trying to reboot a phone while racing around a track is not something I'd recommend.

There are of course some commercial timers but they are expensive and usually require a laptop running windows to be able to see the gps-acquired data. What's the fun in that?

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