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About vehicle presence detectors

Discussion in 'General Electronics Discussion' started by guysegal, Dec 2, 2009.

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  1. guysegal


    Dec 2, 2009
    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
  2. Resqueline


    Jul 31, 2009
    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.
  3. neon


    Oct 21, 2006
    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 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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