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Unread 20-01-2009, 14:24
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sebas2mil sebas2mil is offline
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AKA: Sebastian Acosta
FRC #3966 (STEMpunks)
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Join Date: Nov 2004
Rookie Year: 2004
Location: Coral Springs FL
Posts: 122
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positioning sensor

I ask for the help of all you wise people

There is a device out there that parents have for their children that works in case the child gets lost.
The parent wears one and the child wears one and if they get apart for a certain distance an alarm goes off until they get back in range. I am looking for a way to reverse this process, so when one person goes too close to the other an alarm goes off until you are far enough.

Here is the trick it has to be in a situation where one person has the main one and lets say 3 other people have the other end and if they come too close to the receiver the alarm goes off on each individual one appropriately.

Does any one know what sensors these are or any idea how to make one or even a different way. The criteria is that it has to be small enough to clip to a shirt and maybe financially accessible to prototype.

If you have something in mind I rather you email me at sebas2mil@myacc.net but go ahead and post also that way people can see your idea
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