Micro Motion Detector

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crit8888
 
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Joined: Mon Jan 16, 2012 3:14 pm

Micro Motion Detector

Post by crit8888 »

I'm looking for a low cost, low power micro-motion detector that I can use in a "Fob" type casing. I would appreciate some suggestions. The detector will be responsible for activating an audio "Beeping" and a LED flashing light. The device will be carried in pockets and purses. So and we want it to active when removed from theses areas by a hand. Possible a device that is sensitive to the warmth of human touch or will activate when moved with greater motion then would be a part of the normal motion while it is contained in the purse or pocket.

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philba
 
Posts: 387
Joined: Mon Dec 19, 2011 6:59 pm

Re: Micro Motion Detector

Post by philba »

well, this may be tricky. temperature is going to be an issue - maybe a rapid change. Light could do it as well. Maybe a combination of both.

acceleration is going to be hard to distinguish.

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