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Webcam Rangefinder
Nuno Mira from Portugal  [1 posts]
7 years
Is it possible to implement a distance meter (rangefinder) using a webcam and the laser spot module? If so, can you please give me some indications on how to do that?

Regards,
Nuno
Anonymous 7 years
Nuno,

You can read more about the math at

http://ashishrd.blogspot.com/2006/11/obstacle-detector-using-webcam-and.html

but basically if you angle the laser down from the top of the robot then the spot height will relate to the distance that the spot is illuminating.

STeven.

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