Results 481 – 500 of about 37000.
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 | | Re: IR Tower
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| (...) No. The IR tower uses a totally different raw protocol and lower frequency. In fact, it's closer to a remote control than IrDA. (Speaking of which, has anyone ever interfaced an RCX with a programmable remote or a TV?) (23 years ago, 14-Apr-03, to lugnet.robotics)
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| | Re: sensors, actuators, and software, oh my!
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| (...) Beta particles are electrons, alphas are helium nuclei. Neither is electromagnetic - they are actual particles with mass, whereas photons have no or nearly no mass. Gamma rays, however, are high-energy enough to see gamma-ray photons as (...) (23 years ago, 14-Apr-03, to lugnet.robotics)
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frequency
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| | Re: IR Tower
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| IrDA does not use a carrier wave, whereas CIR (Consumer IR) does. Communication between the two is possible by "building" an IrDA data stream that mimicks CIR carrier wave. IrDA can read CIR by oversampling the IR to determine carrier frequency and (...) (23 years ago, 15-Apr-03, to lugnet.robotics)
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| | More urban grit
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| I have had these buildings built for a while but neglected to post them for whatever reason. I brought them to Bricks By The Bay, in SF last spring: A three floor walk-up based on one in Long Island City, Queens: (URL) style row houses, inspired by (...) (16 years ago, 30-Sep-10, to lugnet.announce.moc, lugnet.town)
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| | Re: sensors, actuators, and software, oh my!
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| (...) More than 3, which is the number of sensor inputs on a Mindstorms brick. :-) (...) I see that you adopt the modern relativist view . I agree to the extent that it depends on the number of RCX bricks present because they only have three sensor (...) (23 years ago, 14-Apr-03, to lugnet.robotics)
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| | Re: More urban grit
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| These are EXCELLENT, Jonathan. The peeling layers and broken windows on the New York building are masterful. And I lived in Baltimore for a few years (never saw The Wire, though). You nailed the look of the old row houses in a run-down part of the (...) (16 years ago, 1-Oct-10, to lugnet.town)
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| | Another Castle:)
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| I finished this a while back but I forgot to post it here (2 URLs) PLMKWYT:) Yaron (16 years ago, 18-Sep-10, to lugnet.castle, FTX) !
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| | Re: sensors, actuators, and software, oh my!
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| Well, I'm guessing your ideas run the gamut of all the standard RF human-generated signals. It might be fun to track satellites, even if you can't decode their signals, I think most are just UHF. Besides standard radio transmissions, there is ULF, (...) (23 years ago, 4-Apr-03, to lugnet.robotics)
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| | Re: Code Pilot LDraw
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| (...) Little chance for that: doing a mockup takes time that would be essentially thrown away... But I'll post subparts as I build them. (...) Isn't it a bit too light? the grey seem washed out (as I thought it might be a bad setting of my screen, I (...) (16 years ago, 14-Sep-10, to lugnet.cad, FTX)
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| | RE: sensors, actuators, and software, oh my!
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| (...) hmmmm... these jump to mind: Human "sensors": a) global/positional(2D) Light Level (also 3D because we move our head/eyes taking notice of the sampling vector) b) global/positional(stereo) Sound Frequency/Level (might also be considered 3D (...) (23 years ago, 4-Apr-03, to lugnet.robotics)
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| | Re: Code Pilot LDraw
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| (...) Reading is in "landscape" mode, while RCX/Scout are in "portrait" mode. (...) Yep. Differences are very low anyway, except in the reader area. (...) Wow! (...) VERY blocky ;o) (...) Interesting to see the sequence. Do you follow LEGO building (...) (16 years ago, 15-Sep-10, to lugnet.cad)
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| | Re: sensors, actuators, and software, oh my!
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| (...) A: How many detectors do you have and what are their transfer functions? The reality is that it is the number of -observers- which matters. (...) No, they are not the same thing, they can be converted into each other according to a well (...) (23 years ago, 4-Apr-03, to lugnet.robotics)
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| | Re: sensors, actuators, and software, oh my!
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| (...) One...or maybe infinity. Most modern physicists believe that matter and energy are the same thing - and that all forces can be described by some (as yet undiscovered) "Unified Field Theory". In that sense, there is one unified field that is (...) (23 years ago, 4-Apr-03, to lugnet.robotics)
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| | My over-simplification of the anti-war movement
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| I don’t have the chance to respond with the same level of frequency here on OTD as many of the regulars, so this may sound like a hit and run, as I will voice my opinion and probably not respond to rebuttals in a timely fashion. I, however, desired (...) (23 years ago, 31-Mar-03, to lugnet.off-topic.debate)
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| | Thinning out my LEGO collection
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| I’ve decided to thin out my LEGO collection and wanted to see if anyone wanted a chunk of it before I list the inventory on BrickLink. I am not selling everything I have but plan to part with a lot of duplicates that I’ve been sitting on for years. (...) (16 years ago, 8-Sep-10, to lugnet.market.buy-sell-trade)
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| | Re: New LEGO Universe Tradition Card Game coming
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| (...) A little late on the reply here (missed this post), but here goes anyway: I don't see them as bad per se, it's just that they seem to be replacing LUGNET, because people only have so much time to devote to LEGO (what is wrong with these (...) (16 years ago, 28-Aug-10, to lugnet.off-topic.fun, FTX)
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| | TRU sale Aug 27 to Sept 2
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| TRU flyer good from Friday August 27 through Thursday September 2. 30% off all LEGO Ben 10 sets (6 to choose from). They claim to have "NEW" city sets, but they are not on sale. Free shipping when you spend $100 or more (read fine print on website). (...) (16 years ago, 27-Aug-10, to lugnet.loc.ca)
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| | Re: RCX Ultrasonic Sensor
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| Hi I've checked out the circuits online, but they all make use of a PIC to generate the frequency. I don't have access to PICs so im looking for an alternative. Also, I checked out about your kits and unfortunately no-one stocks that sort of stuff (...) (24 years ago, 20-Mar-03, to lugnet.robotics.rcx)
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