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<snip!> (...) Oddly it seems almost all of my pneumatic ciruits end up doing that... or at least dropping to a state where they won't complete the motions and blow a hose when the pressure caps... I'd love to get an afternnon of Kevin's time some (...) (19 years ago, 15-May-06, to lugnet.robotics)
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| | Re: Great Ball Contraption
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(...) Thanks for comments. I really appreciate the good reviews. I'm not sure about how large this sub-niche is, but I wanted to try and capture much of what is going on around the internet regarding this topic. I've already had a few hundred (...) (19 years ago, 13-May-06, to lugnet.robotics)
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| | Re: Great Ball Contraption
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(...) Dave, In recognition of this contribution, I have written a quick review of it on OrionRobots - (URL) tell me what you make of it. --- Danny Staple OrionRobots (19 years ago, 13-May-06, to lugnet.robotics)
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| | Re: A Beautiful Machine prototype and perhaps a challenge/idea
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(...) In the interests of full disclosure, my original plans were to use pneumatics. But seeing as I didn't have any, I had to use something else. It was in an email exchange with Cary Clark some time ago that he mentioned that a "low-tech, (...) (19 years ago, 13-May-06, to lugnet.robotics)
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| | Re: A Beautiful Machine prototype and perhaps a challenge/idea
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In lugnet.robotics, Rafe Donahue wrote: [snip] (...) [snip] (...) [snip] How about a machine that can be turned on in more than one way and it turns itself off according to which on method is chosen? Dennis (19 years ago, 12-May-06, to lugnet.robotics)
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| | Re: Lego Education Pamphlet indicates a NXT to old style brick adapter cable
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(...) Glup, I had not notice it, you are right. The NXT RJ12 plug has printed the letters BN, but I have not found the manufacturer, I will continue searching. Best regards Gustavo Lugnet 566 (19 years ago, 12-May-06, to lugnet.robotics)
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| | Re: A Beautiful Machine prototype and perhaps a challenge/idea
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(...) Very nice machine, I especially appreciated the windup motor trick (always wanted to do something with them, preferably odd and interesting!) Philo (19 years ago, 12-May-06, to lugnet.robotics)
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(...) Gee, I thought Bill Gates invented that? -Rob www.brickmodder.net (19 years ago, 12-May-06, to lugnet.robotics)
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| | Re: A Beautiful Machine prototype and perhaps a challenge/idea
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(...) Turning itself off is a feature? ;oP I've spent a lot of time making pneumatic circuits that accidntally shut themselves off..... LOL! Very nice! Kevin (19 years ago, 12-May-06, to lugnet.robotics)
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| | Re: A Beautiful Machine prototype and perhaps a challenge/idea
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(...) Very nifty! Another way would be to have a second switch that is on except when the scissors are at the bottom, and wire it in parallel with the activation switch. Sorta like how they get car windscreen wipers to always go back to the right (...) (19 years ago, 11-May-06, to lugnet.robotics)
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| | Re: NXT to NXT communication?
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(...) Sounds like it's a firmware block though, so hopefully it can be overcome with "NxtOS" or whatever in future. ROSCO (19 years ago, 11-May-06, to lugnet.robotics)
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| | Re: A Beautiful Machine prototype and perhaps a challenge/idea
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(...) <snip> (...) <snip> It is slightly more complicated than that. In order to make it go up slow enough to be interesting, I had to gear down the speed of the motor. As such I go from 8 teeth (I think) on the motor to the big 40 (?) teeth on the (...) (19 years ago, 11-May-06, to lugnet.robotics)
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| | Re: A Beautiful Machine prototype and perhaps a challenge/idea
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(...) Very interesting, if a rather disturbing implementation. I had heard of the conecpt, but not seen those vids. The prosthetic is just a big creepy. (...) I like your version, first its more cute and friendly, and secondly you can see the (...) (19 years ago, 11-May-06, to lugnet.robotics)
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| | A Beautiful Machine prototype and perhaps a challenge/idea
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Computer scientists might know of Claude E. Shannon, considered the father of digital communication. He is also less well known for his Most Beautiful Machine, a machine that, when turned on, simply turns itself off. (A version can be viewed online (...) (19 years ago, 11-May-06, to lugnet.robotics)
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| | Re: NXT to NXT communication?
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(...) Hmmm... Speaking of SDK, based on a preliminary version of the Hardware SDK documentation the NXT is not capable of being both a master and a slave at the same time so a network of NXTs is limited to one master and three slaves and that's it. (...) (19 years ago, 11-May-06, to lugnet.robotics)
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| | Re: Lego Education Pamphlet indicates a NXT to old style brick adapter cable
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(...) Actually, I think if you look closely at the NXT connectors and the DEC ones, you will find the latch offset to the wrong side. There are many of us that have been looking for these connectors for some time now, and it seems all the existing (...) (19 years ago, 11-May-06, to lugnet.robotics)
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| | Re: Lego Education Pamphlet indicates a NXT to old style brick adapter cable
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Hi, the connector name is RJ-12 DEC 6P6C key it is usually used in telephony. You can find this in the link below. (URL) I found the crimping tool here (URL) this helps. Best regards Gustavo Santiago de Chile (19 years ago, 11-May-06, to lugnet.robotics)
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| | Re: Lego Education Pamphlet indicates a NXT to old style brick adapter cable
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(...) Yep, I can confirm (finally, now that it's past May 1). It is a modified RJ12 connector (RJ-12 is 6 wire phone cord connector). The wiring and the jack size is the same, but the little lock piece that sticks up on the connectors is offset and (...) (19 years ago, 11-May-06, to lugnet.robotics)
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| | Re: Lego Education Pamphlet indicates a NXT to old style brick adapter cable
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(...) Thanks Philo! It looks like a lot of detailed and patient work, but I believe I could ruin a few before I got the hang of it. And the RJ11 phone cables are cheap these days. Thanks for the link. Todd (19 years ago, 11-May-06, to lugnet.robotics)
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| | Re: Lego Education Pamphlet indicates a NXT to old style brick adapter cable
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(...) My understanding from reading some of the posts that the connector NXT uses is a non-standard RJ-esque connector. It is not RJ11 or RJ45 but some new connector. Not an electrical engineer myself, I do not know if this connector is even (...) (19 years ago, 11-May-06, to lugnet.robotics)
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