 | | 180° IR Eyeball
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Look at www.robotbuilder.com . Go to lego projects and look at the forums. There is a message saying something about a IR Eyeball. It sounds pretty interesting, but his istructions are sort of complicated to understand. If someone could deipher the (...) (26 years ago, 7-Oct-99, to lugnet.robotics)
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| | RE: 180° IR Eyeball
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hmm.. Did you mean (URL) ? -----Original Message----- From: Andy Gombos [mailto:gombos@ne.infi.net] Sent: Thursday, October 07, 1999 10:51 AM To: Lego Mailing List Subject: 180° IR Eyeball Look at www.robotbuilder.com . Go to lego projects and look (...) (26 years ago, 7-Oct-99, to lugnet.robotics)
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| | Re: 180° IR Eyeball
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(...) Yeah. That is what it copied as, and I didn't bother to check it. (26 years ago, 7-Oct-99, to lugnet.robotics)
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| | More IR proximity detectors
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We're trying to use the little radio shack IR transmitter and reciever units to build our own. We're not sure exactly how this will work, but before we get too far, is this a reasonable thing to do? Will these be strong enough to use as proximity (...) (26 years ago, 7-Oct-99, to lugnet.robotics.handyboard)
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| | RE: 180° IR Eyeball
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I believe there is a problem with the theory used in the article. He talks about using the Radio Shack emitter/detectors to do some 180 deg Detection. He's talking about using multiple emitters and detectors as proximity detectors. (much like using (...) (26 years ago, 7-Oct-99, to lugnet.robotics)
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| | Re: NQC 2.0.1, MacNQC 2.0 b2 released
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The Keyspan adapters are still a bit of a grey area. I've had several reports of them working just fine, and one report of it not working at all. I'm still trying to isolate this problem (which affects NQC and presumably MacNQC). The tweak in MacNQC (...) (26 years ago, 7-Oct-99, to lugnet.robotics.rcx.nqc)
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| | Re: pneumatic and hydraulic cylinders
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Am/Um 15:32 06.10.99 -0700 schrieben Sie: (...) Fischertechnik, too! Have alook at (URL) klick on 'Profi-kits (from 9 years)' Werner (26 years ago, 8-Oct-99, to lugnet.robotics.handyboard)
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| | !!! Laser attachments for Mindstorms !!!
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Hi all, I am selling laser modules for Mindstorms. The modules are two 2x6 lego bricks one on top of the other with a plate on the bottom. It has a wire with a lego power connector on the end attached to one end, and the laser sticks out about 1mm (...) (26 years ago, 8-Oct-99, to lugnet.robotics)
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| | Re: Mindfest
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To my great dismay, I have the opposite problem: a good friend just told me he's getting married that weekend :-(( Suz, isthere a way I can cancel / get any money back?? I have one adult and one child registered (separately). Can I pass it along (...) (26 years ago, 8-Oct-99, to lugnet.robotics)
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| | Re: Mindfest
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(...) Tell your friend that it's too rushed for him to get married and that he really ought to think about what he's getting into before he leaps. Suggest he put it off for a week or so. (26 years ago, 8-Oct-99, to lugnet.robotics)
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| | Re: !!! Laser attachments for Mindstorms !!!
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Forgive my ignorance with respect to robotics and the like but what would you do with a laser? Is it used for guiding the robot or can the RCX detect when the beam is broken? I don't assume it is used to zap dirty dishes from the dinner table. <g> (...) (26 years ago, 8-Oct-99, to lugnet.robotics)
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| | Re: !!! Laser attachments for Mindstorms !!!
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Yeah. In can't think of anything that a laser could be used for. Unless you had reflective walls and could use it as a range finder. Sort of like an ultrasonic range finder, only with light. I wonder if the timing could be done fast enough. Andy (...) (26 years ago, 8-Oct-99, to lugnet.robotics)
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| | RE: !!! Laser attachments for Mindstorms !!!
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I think a laser would be very useful for vaporizing pesky obstacles, I'd like mine to be a CO2 @ 50 Watts please....Blue bricks would be just fine :>)) Seriously, a laser might be an interesting source of light for a homing beacon. I don't know if I (...) (26 years ago, 8-Oct-99, to lugnet.robotics)
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| | Re: !!! Laser attachments for Mindstorms !!!
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Andy Gombos <lego-robotics@crynwr.com> wrote in message news:37FE04DD.CA5505...nfi.net... (...) Maybe you could use it to blind people or pets. (26 years ago, 8-Oct-99, to lugnet.robotics)
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| | Re: !!! Laser attachments for Mindstorms !!!
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i assume that i will be able to make a small lego robot that hunts for annoying dogs in the neiborhood and vaproizes them. i demand no less. b ---...--- (...) (26 years ago, 8-Oct-99, to lugnet.robotics)
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| | Re: !!! Laser attachments for Mindstorms !!!
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(...) My initial thought was "Why?", but of course the next couple of posts displayed the creative energy of this group and contained several good answers to my question. For range finding using the laser wouldn't monitoring the intensity of the (...) (26 years ago, 8-Oct-99, to lugnet.robotics)
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| | Re: !!! Laser attachments for Mindstorms !!!
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(...) Wasn't this what the SUN Jini demo did? Joel Shafer joel@connect.net (26 years ago, 8-Oct-99, to lugnet.robotics)
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| | Open NELUG Meeting Saturday 10/23 @ 7:00 PM.
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The New England Lego Users' Group (NELUG) will be hosting an open meeting on Saturday, October 23rd at 7:00 PM, during the upcoming MindFest event. The MindFest organizers at the MIT Media Lab have graciously offered us a large room for the (...) (26 years ago, 8-Oct-99, to lugnet.announce, lugnet.robotics)
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| | Re: !!! Laser attachments for Mindstorms !!!
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(...) Pulsing the laser would be implemented with the "motor speed control". (...) How about just using it with mirror(s) and the light sensor as a tripwire? (26 years ago, 8-Oct-99, to lugnet.robotics)
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| | RE: !!! Laser attachments for Mindstorms !!!
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(...) difficult (...) of a (...) Snip You put a single field lens in front on the laser to provide a conical beam, but this is usually already done by the manufacturer because a laser diode is basically a point source and needs to be collimated to (...) (26 years ago, 8-Oct-99, to lugnet.robotics)
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