> FYI, there's a device that's used in a lot of road races
> ("foot races")
> called a "ChampionChip".  It;s a small transponder that is
> typically tied to
> the shoelaces, and detected at the finish line.

That chip is used a lot in my country, I think all major running evens
use it. Used it myself three times, very small and very easy. But I
think at least this particular chip has a very short range, you must
realy walk over the rubber that contains the sender/receiver to be
detected.

Wouter van Ooijen

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Van Ooijen Technische Informatica: www.voti.nl
consultancy, development, PICmicro products

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