 | | Re: Motors comparison page updated
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(...) Interesting thread, even if a bit off topic of LEGO motors. I'm not an expert on power circuits, but a google search turned up this web site with a number of interesting power supply circuits (there is a search option). (URL) Putz (URL) (14 years ago, 13-Jan-11, to lugnet.robotics, lugnet.org.us.smart)
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| | Tatooine Rancor
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First MOC for 2011 and loosely based from the Hasbro Rancor action figure in minifig scale! (2 URLs) As usual, click the pics for more details... AC (14 years ago, 13-Jan-11, to lugnet.starwars, lugnet.build, lugnet.announce.moc, FTX)
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| | Re: Motors comparison page updated
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(...) Good thing, the load is not inductive. (...) OK, with a 1 second cycle time, and pure on/off, it is simpler. All you need is a solid state relay. (...) Looks like some people do: (URL) and worse, most of these dimmers work by dissipating and (...) (14 years ago, 13-Jan-11, to lugnet.robotics, lugnet.org.us.smart)
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| | Re: Motors comparison page updated
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(...) I've been operating outside my personal SOA for years now :) (...) It's actually not a motor - it's a small electric hot water heater element. When plugged in it produces 1300W, but if I want less than that I need to figure out some way to (...) (14 years ago, 13-Jan-11, to lugnet.robotics, lugnet.org.us.smart)
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| | Google: In partnership with CERN, the LEGO Group, National Geographic, and Scientific American
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Google organizes first online science fair for young scientists By IBTimes Staff Reporter January 13, 2011 "At Google, the only thing we love as much as science is science education" -this is exactly what the internet giant worked on to arrange the (...) (14 years ago, 13-Jan-11, to lugnet.mediawatch, lugnet.general, lugnet.fun, FTX)
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| | Re: Motors comparison page updated
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Hi Brian, (...) I was surprised too. I suspect a relatively high internal resistance of the windings, rather than mechanical friction, as the source of losses. No, (shame on me!) I didn't checked yet with an ohmmeter. (...) This is clearly outside (...) (14 years ago, 13-Jan-11, to lugnet.robotics, lugnet.org.us.smart)
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| | Call for Presentations: Bricks by the Bay 2011, SF Bay Area, CA USA
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Bricks by the Bay 2011 For Immediate Release January 12, 2011 Contact: Paul Sinasohn Program Chair singlow @ gmail .com Bricks by the Bay Call For Presentations Bricks By The Bay 2011 is looking for any talks, roundtables, and special activities you (...) (14 years ago, 13-Jan-11, to lugnet.events, lugnet.announce)
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| | Re: un saluto di buon 2011 a chi ancora bazzica qui!
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(...) 38° :-) Cheers. -- Carlo. (14 years ago, 13-Jan-11, to lugnet.org.it.itlug)
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| | Re: Motors comparison page updated
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(...) Thank you! Surprising that with as easy as it is to backdrive, that the efficiency is as low as it is. Out of (not idle) curiosity, is it possible to drive even more current-hungry devices safely from the NXT? I need a way to drive a 120V AC, (...) (14 years ago, 12-Jan-11, to lugnet.technic, lugnet.robotics)
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| | Re: un saluto di buon 2011 a chi ancora bazzica qui!
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(...) ma! eri nascosto sotto la polvere? mi hai fatto rivenire in mente quando mi raccontavi del tuo hammond e del fatto che te lo portavi in giro per i concerti! Me l'avrai raccontato credo al LF di Bolzano di almeno....8 anni fa? Mi ricordo (...) (14 years ago, 12-Jan-11, to lugnet.org.it.itlug)
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