Re: measuring distance between two cars using infrared circuits
From: Rich Grise (richgrise_at_example.net)
Date: 01/22/05
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Date: Sat, 22 Jan 2005 09:18:03 GMT
On Fri, 21 Jan 2005 01:31:11 -0800, gaurav.patil wrote:
> hello,
> i want to construct a circuit which will be able to measure distance
> between two moving cars.The two cars are needed to maintain a fixed
> distance between each other.
> if the distance between them increases or decreases the circuit
> should be able to detect this change and notify the amount of change
> in the distance to both cars.
> i want to construct this circuit using infrared LEDS ,so if any one
> can help me out with this(circuit idea) please mail it to me .
People have mentioned triangulation. Does a license plate retroreflect
laser pointer light?
Thanks,
Rich
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