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2D Laser Range Finder under $80

A 2D Laser Range Finder with 100 degree field of view for under $80 with no moving parts

rlsutton1rlsutton1
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This project was created on 09/07/2014 and last updated 6 years ago.

Description

I've seen other Laser Range Finders using a dot laser and a web cam, and decided I could use a line laser and multiple web cams to produce a field of laser ranges.

2 Logitech c270 web cams provide a 100 degree field of view, and a common 5mw line laser with a 120 degree lens provides a line across the entire field of view.

I've designed a mount to off set each web cam 25 degrees respectively left and right, also tilting them up 11 degrees to make their vertical field of view from horizontal to ~+22 degrees. The laser is mounted 110mm above the base and this gives the range finder a theoretical range from ~20cm to infinity.

I've written a custom image processing algorithm in java leveraging opencv via javacv

see the video in the project logs

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  • Video of a basic test

    rlsutton1 • 09/09/2014 at 20:34 • 0 comments

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