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Subject: Re: ultrasonic transducer
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Date: 06/18/01 at 3:41 AM
Posted by: kentchen
In Reply to: ultrasonic transducer posted by Josef C. Tran on 02/17/01 at 1:41 AM:
I am doing a project called vehicles indentification on toll plaza where i need to classify vehicles based on their physical characteristic ....eg. height,width.....
i intended to use ultrasonic as motion detector ...anyone will give some idea how to design the circuit.
I only need to built a mini type of the system
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