Subject:
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Re: !!! Laser attachments for Mindstorms !!!
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Newsgroups:
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lugnet.robotics
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Date:
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Mon, 11 Oct 1999 12:31:44 GMT
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Original-From:
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Pete Hardie <pete.hardie@dvsgANTISPAM.sciatl.com>
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Viewed:
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877 times
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Chris Osborn wrote:
> We also glued a small mirror onto a piece of aluminum foil wrapped
> around the end of an open tube, and placed it outside in the quad.
> Then we bounced a laser off it and got it aimed at a special LED
> for receiving the laser, with the LED hooked up as a mic through
> an amp. Worked pretty good, we could hear everything that was going
> on around the tube we left outside.
OT:
I've seen those before, and another demo I saw when in high school
where the laser was aimed through a hole in a speaker cone, and
then to a receiver.
Anyone got pointers to online circuits to receive and decode such
data? I think a remote 'laser phone' would be a cool little toy
to have, especially for a technogeek!
--
Pete Hardie | Goalie, DVSG Dart Team
Scientific Atlanta |
Digital Video Services Group |
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Message is in Reply To:
 | | Re: !!! Laser attachments for Mindstorms !!!
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| (...) Yah, did this in college long ago, before laser pens were common. We used the "big" lasers. :-) We also glued a small mirror onto a piece of aluminum foil wrapped around the end of an open tube, and placed it outside in the quad. Then we (...) (25 years ago, 9-Oct-99, to lugnet.robotics)
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