 | | Re: Axle joiner angles
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Oops. It looks like in your list you exchanged the labels of #3 and #5. And it occurs to me that the splines had to be set so that the half bushings could be pushed together and lock when on the same axle. I would have to take a look to see if that (...) (25 years ago, 12-Dec-00, to lugnet.robotics, lugnet.technic)
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| | Re: Help with my robot
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(...) 4. Measure the deviation and correct it by a small turn every now and then. (this is what I did when I first got my RIS and wanted it to take a tour of my flat, total length about 15m with a few turns). This avoids use of rotation sensor or (...) (25 years ago, 12-Dec-00, to lugnet.robotics)
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| | Re: Help with my robot
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(...) You will probably need a rotation sensor to ensure that the robot is travelling in a straight line. No two LEGO motors will rotate at the same speed, so you will always encounter drift when driving a robot. I can think of three solutions: 1. (...) (25 years ago, 12-Dec-00, to lugnet.robotics)
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| | Re: Help with my robot
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My first suggestion would be a swivel wheel in the front to make turning easier for the bot. The only solution to your programming would be two rotation sensors to aid in running straight and to measure the distance that you have traveled. This (...) (25 years ago, 12-Dec-00, to lugnet.robotics)
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| | Help with my robot
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I got a problem. I have a simple two motor robot that I want to have a push button cause the following: 1 hit the push button 2 robot turns 180 deg and move forward 3. after 15 feet robot stops 4 repeat 1 - 3 The problme i am having is that the (...) (25 years ago, 12-Dec-00, to lugnet.robotics)
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| | Re: Axle joiner angles
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I think these just correspond to the splines on the old connectors which they replace. I haven't checked it, but I think the splines are every 12.5 degrees. The connectors are too chunky to make accute angles, so they only do the obtuse angles: 0.0 (...) (25 years ago, 12-Dec-00, to lugnet.robotics)
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| | Re: Code Pilot is Fantastic RCX add-on!
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And I just got one for my Birthday! It took coaching a FIRST LEGO League team, but I *finally* have my parents (and my in-laws) convinced that 33 is NOT too old for LEGO :-) -Peter Coach, FLL Team #1096: The Unibots #2 in California State (...) (25 years ago, 12-Dec-00, to lugnet.build, lugnet.technic, lugnet.robotics)
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| | RE: Floating boats
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There are still boat bodies that float. I recently bought some police/rescue-style set at Costco in California that contains one. Or how about 6429 - Lego City Blaze Responder. Tilman (...) (25 years ago, 11-Dec-00, to lugnet.robotics)
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| | Re: Floating boats
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(...) Do you mean the parts about 11x10 for the midpiece and a frontpiece with an eye in front edge and a back piece that's round at its back end ? If so. i've got three of the middle pieces, a front piece and a back piece (with a little piece (...) (25 years ago, 11-Dec-00, to lugnet.robotics)
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| | Floating boats
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Sadly, lego seems to have discontinued their nice old boat pieces which floated. I have an interest in a fairly significant quantity of these (I want to build some bi- and tri-hull boats.) Does anyone know where I might get some of these? Obviously, (...) (25 years ago, 11-Dec-00, to lugnet.robotics)
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| | Re: vision command idea...
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(...) Hi Mike, I of course see that you are willing to build a robot that turns front and back wheels in different direction! But you said :".... i am going to tackle that problem when i get some more turntables"! Right? The only thing I wanted to (...) (25 years ago, 11-Dec-00, to lugnet.robotics)
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| | Re: how to make 2 rcx cordinate with each other?
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(...) I have a simple-stupid piece of code in NQC illustrating communication between two scouts (with the same code on both) which should work fine on an RCX with minimal tweaks - The communications code will work without mods. (URL) is my (...) (25 years ago, 11-Dec-00, to lugnet.robotics)
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| | multitasking
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I read that the RCX is able to have up to eight-threads running. Is this true? These threads are sharing processor time, right? What I mean is that they are not running in parallel? Therefore, if legOS 2.0 is able to do preemptive tasking. This (...) (25 years ago, 8-Dec-00, to lugnet.robotics)
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| | Re: LEGO Company Welcomes Adult LEGO Enthusiasts
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(...) I don't care how you feel about cookies! If you're going to make irrelevant postings to the list, please attempt to make them funny or interesting. (25 years ago, 7-Dec-00, to lugnet.lego.direct, lugnet.robotics)
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| | Re: Books for Mindstorms
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:( ...and it won't be out for a few more months now!!!! (...) (25 years ago, 7-Dec-00, to lugnet.robotics)
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| | Re: For you German speakers
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(...) babelfish.altavista.com tells me you suffered a "gypsum leg" at a tender young age. What an affliction! :-) --k (25 years ago, 7-Dec-00, to lugnet.robotics)
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| | Re: Code Pilot is Fantastic RCX add-on!
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I've been promoting this set as the "perfect" RCX add-on since I got one last Christmas. The main truck model is waaaaaayyyyy cool and quite ingenious, almost worthy of Jennifer Clark (Hi, Jenn!). I haven't built all the alternate models, but the (...) (25 years ago, 11-Dec-00, to lugnet.robotics)
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| | RE: how to make 2 rcx coordinate with each other?
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There is also a very neat project in Dave Baum's first book that has two RCX's talking to each other. (...) (25 years ago, 11-Dec-00, to lugnet.robotics)
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| | Re: RIS 2.0 content !!!
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(...) You should not compare Win95 and its descendants to Windows NT and its descendants. Windows ME is approximately the seventh version of Win9x to be released (Windows 95 OSR 1, 2, and 3 (3 was basically a win98 beta), Windows 98 and 98 SE, and (...) (25 years ago, 7-Dec-00, to lugnet.robotics)
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| | Re: Axle joiner angles
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I suspect the crux of your answer lies in the 3-4-5 triangle. [NOT! read on to see why this isn't true!] The complements of 112.5 and 157.5 degrees are 67.5 and 22.5 degrees. The sum of 67.5 and 22.5 is 90 degrees. Add add a 90 degree angle and you (...) (25 years ago, 11-Dec-00, to lugnet.robotics)
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