 | | "Lobster" - Mecanum wheel car drives in any direction
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Here is something I've been wanting to make for a long time, finally made possible by an amazing design for "Mecanum wheels" due to Zblj over at (URL) Eurobricks>. (3 URLs) Mecanum wheels are similar to "omniwheels" except that the small wheels are (...) (14 years ago, 26-Nov-10, to lugnet.technic, lugnet.robotics, lugnet.announce.moc, FTX) !!
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| | Re: Geneva wheel or Geneva mechanism
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(...) Very nice implementation! How robust is the construction with the curved bricks? I would think this might come apart over time... Looking forward to seeing the GBC application! (14 years ago, 26-Nov-10, to lugnet.technic, lugnet.robotics)
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| | Tetrix
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We started a new project with Tetrix, a new NXT-compatible robotics kit available at LEGO Education. Very cool stuff! More to come. Visit the lab-journal at: (URL) (14 years ago, 18-Nov-10, to lugnet.robotics)
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| | 3D laser scanning
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(URL) A simple addition: Focusable line laser + NXT sweeping mechanism + webcam + DAVID Laser scanner software + Sculptris + Meshlab + Stl2Dat + a lot of time = LDraw parts ! (URL) A few more details> on the process I use to create organic shaped (...) (14 years ago, 17-Nov-10, to lugnet.announce, lugnet.cad, lugnet.robotics, FTX) !!
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| | Re: My latest project
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(...) Nice work! It looks like it is only around 55 mm high. Is that correct? That's about 35 mm less than a Roomba. :-) Play well, Jacob (14 years ago, 15-Nov-10, to lugnet.robotics)
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| | My latest project
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Hey folks, I've finished blogging about my latest project - Pulito. Basically a swiffer/roomba mashup that autonomously cleans hard surfaced floors. It an also seek out a charging base to recharge itself. Details: (URL) (14 years ago, 14-Nov-10, to lugnet.robotics)
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| | autonomous boat project
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The autonomous boat project that we started in April this year has reached the programming- and test phase. Enjoy at (URL) (14 years ago, 19-Oct-10, to lugnet.robotics)
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| | Re: Robot Competition at BrickCon 2010
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(...) Here are the results of the Robot Racing competition: Michael Schumacher Award (first place): Gus Jansson -- total time: 8:10 Jeff Gordon Award (second place): Steve Putz -- total time: 9:13 Dale Earnhardt Award (third place): Heidi Lovett -- (...) (14 years ago, 14-Oct-10, to lugnet.events.nwbrickcon, lugnet.robotics)
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| | Re: LDraw Parts of HiTechnic Sensors and Multiplexers now available
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An updated LDraw HiTechnic sensor pack is now available on the (URL) HiTechnic website>. The updated pack includes the two latest HiTechnic sensors: the Angle sensor and the Magnetic sensor. Here is the sensor lineup of what is included in the pack: (...) (14 years ago, 5-Oct-10, to lugnet.cad, lugnet.robotics, FTX)
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| | Re: Announcing www.mindboards.net
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It is a shame that the rich history of work and data is lost. Had it been a book I would have purchased a copy. I hope that the data can be retreived one day, or at the very least, Mindboards will fill the gap left behind. My thanks to those (...) (14 years ago, 5-Oct-10, to lugnet.robotics)
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| | Re: Announcing www.mindboards.net
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(...) continue! Jetro (14 years ago, 29-Sep-10, to lugnet.robotics)
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| | Announcing www.mindboards.net
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Some of you may be wondering what is going on with the nxtasy.org site. It's been down almost 2 weeks now. Attempts to contact the site owner have failed. The hosting company will not answer any questions about the site or provide access to the site (...) (14 years ago, 29-Sep-10, to lugnet.robotics)
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| | Re: Geneva wheel or Geneva mechanism
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(...) Excellent! I enjoyed the video. (14 years ago, 26-Sep-10, to lugnet.technic, lugnet.robotics)
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| | Re: Geneva wheel or Geneva mechanism
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Very clever! I myself have been playing around with those quarter circle bricks, great to see what you did! You are right, the mechanism works well, both directions! Eric Sophie Legomaster Biomechanical Bricks (14 years ago, 22-Sep-10, to lugnet.technic, lugnet.robotics)
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| | Re: Geneva wheel or Geneva mechanism
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In lugnet.technic, Jetro de Chateau wrote: I now have a small movie on YouTube. I wasn't able to upload it on Brickshelf... (URL) Here is a link to my Brickshelf folder: (...) (14 years ago, 22-Sep-10, to lugnet.technic, lugnet.robotics)
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| | Re: Geneva wheel or Geneva mechanism
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(...) Maybe you could provide some deep links... Jetro (14 years ago, 20-Sep-10, to lugnet.technic, lugnet.robotics)
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| | Geneva wheel or Geneva mechanism
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Hello I have seen the Geneva wheel for a while now. A few LEGO MOCs have been created before, but I wanted to do my own... This mechanism is running flawless and at variable speed Here is a link to my Brickshelf folder: (URL) I built 2 different (...) (14 years ago, 20-Sep-10, to lugnet.technic, lugnet.robotics)
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| | Robot Competition at BrickCon 2010
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This year's robot competition at BrickCon will be a racing competition. Build and program a robot able to race around an irregularly shaped gradient track while avoiding obstacles on the track. The track is approximately two feet wide, with black in (...) (14 years ago, 16-Sep-10, to lugnet.events.nwbrickcon, lugnet.robotics, lugnet.org.us.smart, lugnet.events, lugnet.announce)
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| | Re: Train motors comparison
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Many thanks for your excellent and interesting work done here, Philo! I own the new Power function trains for not much more than a week and found them wonderful and very sufficient until now. These new PF trains are strong, fast and it is so much (...) (14 years ago, 5-Sep-10, to lugnet.trains, lugnet.robotics, FTX)
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| | Re: Train motors comparison
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Hi Ludo, (...) I don't know precisely for the 9V motor casing, but I think it is possible. For sure, RC and PF motors are mechanically compatible (see (URL) after moderation: (URL) Anyhow, great from LEGO to use a better (...) ...and for RC train! (...) (14 years ago, 3-Sep-10, to lugnet.trains, lugnet.robotics)
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