 | | January 29th, 2011 SMART meeting
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| In just over two weeks we'll have our next SMART meeting. We'll meet at the new DigiPen building, from 2pm to 5pm. As no mini-challenge was posted, we'll try a very low-key variation on BrickHeap Wars for this meeting. It will be an individual (or (...) (15 years ago, 14-Jan-11, to lugnet.org.us.smart)
| | | | | 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) (15 years ago, 13-Jan-11, to lugnet.robotics, lugnet.org.us.smart)
| | | | | 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 (...) (15 years ago, 13-Jan-11, to lugnet.robotics, lugnet.org.us.smart)
| | | | | 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 (...) (15 years ago, 13-Jan-11, to lugnet.robotics, lugnet.org.us.smart)
| | | | | 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 (...) (15 years ago, 13-Jan-11, to lugnet.robotics, lugnet.org.us.smart)
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