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About vehicle presence detectors

guysegal

Dec 2, 2009
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Dec 2, 2009
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Hello
I have a question about weight sensors.
what kind of sensors do I need that can indicate that a car is in a parking space - the sensor need to be inside the roadway, in a depht of approximately 30cm.
what is the price of that sensor?

thank you
 

Resqueline

Jul 31, 2009
2,848
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Jul 31, 2009
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I can't see that a weight sensor would be feasible in this application.
It would have to be an inductive metal detector, consisting of a buried coil and some topside electronics.
That's the way streetlight sensors are made.
It could be homemade for a few dollars.
I have no info about commercial products.
 

neon

Oct 21, 2006
1,325
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Oct 21, 2006
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1,325
Well before you start digging dirt consider this a simple laser diode and a mirror reflecting to a detector. it is kind of big. actually harbor freight.com has a dtector $20.00 that chines at a remote site on motion however when the car stop no more alarm. wajnt to know more?
 
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