 | | Brickvention 2006 Moonbase and Brikwars
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Brickvention 2006 will be featuring our first ever national moonbase, everyone is invited to bring 1 or more (URL) moonbase modules> to attach. If you plan on bringing a moonbase module please email <mailto:moonbase@bri...ntures.com (...) (20 years ago, 22-May-06, to lugnet.events, lugnet.loc.au, lugnet.space, lugnet.gaming.brikwars, FTX)
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| | Re: Ultrasonic sensor interactions
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(...) Within the same room - is unlikely to be a problem - but think about two Sumo bots trying to find each other or two robots doing some kind of cooperative tasks in a contest or something...not likely to be so easy I think. (20 years ago, 22-May-06, to lugnet.robotics)
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| | 6 wide DB(German) Class 212
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David Parkin of the SLTC has asked me to share this as he does not yet have an account here on Lugnet. Sorry about the picture size but i felt it necessary to post it also. (URL) "This is Davids version of a 6 wide DB(German) Class 212. (URL) The (...) (20 years ago, 21-May-06, to lugnet.loc.au, lugnet.trains, FTX)
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| | Mecha Contests at BrickFest 2006!
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BrickFest is fast approaching, and it's time to get the ball rolling on our Mecha contests! Our first contest is the Fantasy Mecha Contest. Participants are asked to imagine what ancient, medieval, or fantasy cultures might design if they had the (...) (20 years ago, 21-May-06, to lugnet.build.mecha, lugnet.events.brickfest, lugnet.events, lugnet.space, lugnet.castle, lugnet.general, lugnet.announce, lugnet.build.contests, FTX) !!
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| | Skyscraper MOC: David Stott Building
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Greetings fellow builders: I have just completed a 7.5 foot high skyscraper MOC: A Lego model of the David Stott Building, a 37 story art deco office tower erected in Detroit during 1929: (URL) I am planning on bringing this building to the NMRA (...) (20 years ago, 21-May-06, to lugnet.town, lugnet.trains, FTX) !!
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| | The Da Vigci Code
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Can you solve the mystery of the Da Vigci code? (URL) "Big Daddy" Nelson (20 years ago, 21-May-06, to lugnet.build.vignette, lugnet.announce.moc, FTX) !
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| | Re: How to remove Click-hinge axles?
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"David Simmons" <xenobuzz@earthlink.net> wrote in message news:IzJ63p.Hp3@lugnet.com... (...) A dremel works nicely on those stubborn parts. :P -Rob (who actually uses David Eaton's method) www.brickmodder.net (20 years ago, 20-May-06, to lugnet.general)
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| | Re: Ultrasonic sensor interactions
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(...) I'm not positive of that. If the US sensor is plugged in to a powered NXT, I can detect a clicking from it - I presume it's on. Regardless of what sensor I define the port as, this clicking continues. This is what I was basing my "can't turn (...) (20 years ago, 21-May-06, to lugnet.robotics)
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| | Re: MOC "Big Show" work in progress
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(...) Mea culpa... ero troppo ansioso di metterle online che non ho avuto tempo di photoshopparle a dovere. Tuttavia se le apri in internet explorer verranno automaticamente ridimensionate per fittare lo schermo. In pratica se fai tasto destro + (...) (20 years ago, 21-May-06, to lugnet.org.it.itlug)
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| | Huge Bionicle Lot For Sale
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My nephew has ask me to sell his huge lot of Bionicle. Here is the list of instructions. 8557, 8534,8556,8562,8564,...8565,8591, 8561,8537,8533,8535,...,8538,8514 also there is set 8539 but there is no instructions. There is also many more sets. (...) (20 years ago, 21-May-06, to lugnet.market.buy-sell-trade)
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| | Re: MOC "Big Show" work in progress
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(...) E' davvero seccante dover ridimensionare le immagini per poterle vedere a tutto schermo... Luca (20 years ago, 21-May-06, to lugnet.org.it.itlug)
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| | External power supply for NXT
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Hi all, You'll find (URL) here> detailed building instructions for a replacement battery plate that adds an external power jack to the NXT. (URL) Enjoy, Philo (20 years ago, 21-May-06, to lugnet.robotics, FTX)
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| | Re: Ultrasonic sensor interactions
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Hello Brian, (...) That's easy to do in NBC, and not hard with NXT-G: to shut off the US sensor, just "use" another sensor type on the same port. Here is a sample program that switches the US sensor on/off with NXT enter button. (URL) If the sensor (...) (20 years ago, 21-May-06, to lugnet.robotics)
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| | New Seaplane set in old Legoland scale
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Looks pretty cool. (URL) pieces. It appears to use the new click hinge sloped roof piece instead of the old finger hinge peice, but other than that it look very nice. -Mike Petrucelli (20 years ago, 21-May-06, to lugnet.town)
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| | Re: Ultrasonic sensor interactions
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I've heard of one possible answer, though don't know if it is feasible on the NXT. If the robot software sends timed pings, regardless of time of flight, they will be returned with the same delay between them. So if you send two pings 73 msecs (...) (20 years ago, 21-May-06, to lugnet.robotics)
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| | Re: Ultrasonic sensor interactions
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(...) I was the one that mentioned that I couldn't find a way from the SW I have to turn the US sensor off. That said, I don't think it's time yet to worry about intractable problems: A hundred of us or so have been playing with this stuff for a (...) (20 years ago, 21-May-06, to lugnet.robotics)
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| | Re: Ultrasonic sensor interactions
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(...) Wow! That's a lot lower than I'd have expected - at that frequency there is a good risk of harmonics from normal sound interfering with it. (...) Right - 350 meters per second is pretty slow by computer standards. (...) (Not to mention things (...) (20 years ago, 21-May-06, to lugnet.robotics)
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| | Re: Ultrasonic sensor interactions
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(...) The device operates at 40kHz, the transmit and receive piezo devices are only resonant at that frequency. Even though the measurement period is short (time from transmit to time to receive) it is necessary to wait quite a while for the sound (...) (20 years ago, 21-May-06, to lugnet.robotics)
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| | 10152 cerco...
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ciao a tutti cerco il (URL) o al limite MIB ad un prezzo ragionevole. ciao, Matteo. (20 years ago, 21-May-06, to lugnet.org.it.itlug.market)
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| | Re: Ultrasonic sensor interactions
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(...) The 'Aloha' protocol was the predecessor of this. (...) Someone earlier told us that the thing runs all the time and can't even be shut off. That being the case, I think we're pretty much doomed. (...) Yes - but the relatively low frequency at (...) (20 years ago, 21-May-06, to lugnet.robotics)
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