Subject:
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Re: Detecting a laser-pointer dot with LEGO light sensor (was "Autonomous robots")
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Newsgroups:
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lugnet.robotics
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Date:
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Thu, 10 Aug 2000 03:59:37 GMT
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Viewed:
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898 times
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> On the detecting a laser pointer thing -- I solved it last year. Check • out
> LaserTarget on my Mindstorms Inventions page.
> http://www.legomindstorms.com/members/gallery.asp?userid=36101#LaserTarget
>
> Cheers
>
> JP
Very clever approach! That's amazing how useful a piece of paper can be. :)
I'll try that. My idea is to use a passive landmark, so I'll try to use a
kind of cilindrical mirror so that both the laser pointer and the light
sensor will be placed at the robot. The target will be tall, but not very
wide. I believe that will allow the robot an easy way to find the direction
of the landmark. Maybe even a location finder using a a kind of
triangulation. All it needs is to measure 2 angles from 2 diferent positions
and a few trigonometric calculation.
Thanks a lot, JP
Mauro Vianna
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