Subject:
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Re: IR Ball (was Soccer-Playing Robots)
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Newsgroups:
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lugnet.robotics
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Date:
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Fri, 1 Sep 2000 17:17:51 GMT
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Original-From:
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John Barnes <barnes@sensors.SPAMLESScom>
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Viewed:
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474 times
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>That wouldn't look as great as a free rolling ball - and the
>robots would perhaps have trouble finding it while it's in
>motion....but 28 LEDs is a heck of a lot!
Seems like a lot to me. The wider angle IR LEDs have a 60 degree
cone. I think you can cover a sphere with 14 such cones, but don't
quote me!
I wonder if you'd then require a point source battery right at the
center ;)
JB
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Message is in Reply To:
 | | IR Ball (was Soccer-Playing Robots)
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| The Lego light sensors are particularly sensitive to infra-red (one of those gems of information that I've picked up from the robotic mailing list), so the standard Lego light sensors can be used to "see" a ball that's throwing off lots of IR, like (...) (24 years ago, 1-Sep-00, to lugnet.robotics)
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