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 | | Re: Ultrasonic sensor interactions
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| (...) A better alternative would be to develop protocols in which the NXT controllers use their communications to tell each other what they are about to do. If you can sent a message that says "I'm about to do an ultrasound 'ping' - so you'd better (...) (18 years ago, 20-May-06, to lugnet.robotics)
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measurement
(score: 1.988)
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| | Re: Balancing robots
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| (...) Um, the back-EMF of the motore isn't related to the motor load per se but rather the relaxation of the current in the coil when it moves off the stators. It's also very fast (ie E=Bc) so the RCX isn't likely to get good readings for this. It's (...) (21 years ago, 22-Jan-04, to lugnet.robotics)
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measurement
(score: 1.988)
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| | New 12 hr clock
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| (URL) my clocks: (URL) this clock, I have been fine-tuning my design, and I think I am starting to push it pretty far. This clock can run for 12 hours, and it seems to keep good time, but I have not yet made any careful measurement of its precision. (...) (24 years ago, 22-Jan-01, to lugnet.build)
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measurement
(score: 1.988)
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measurement
(score: 1.988)
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| | Doin' the Kingston Run (was Re: Got an RBR at TRU, QLD)
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| (...) It was, like the rest of the story, a Star Wars parody. To give an example of the Millenium Falcon's speed, Han boasts that he once "made the Kessell run in less than 12 parsecs", parsecs being a unit of distance, like nautical miles. See, (...) (23 years ago, 24-Nov-01, to lugnet.loc.au)
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measurement
(score: 1.988)
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measurement
(score: 1.988)
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| | Re: Interfacing handyboard with Basic Stamp2
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| Hi, You can use the SPI interface and have the BS2 as a master. The BS2 then defines the clockspeed, because the slowest speed you can select on the 6811 is probably to high for the BS2. It is very simple to use this interface. See the "pink book" (...) (25 years ago, 27-Jul-99, to lugnet.robotics.handyboard)
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measurement
(score: 1.988)
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measurement
(score: 1.988)
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| | Re: Minifig scale?
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| (...) My thoughts exactly. The problem with the minifig-scale question, is that the minifig is not scaled to a human, nor is the rest of his world, as presented by LEGO, scaled to human things. His/her cars are to small, tools are too big, houses (...) (16 years ago, 30-Jul-08, to lugnet.build, FTX)
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measurement
(score: 1.988)
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| | Sensor Basics
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| Robots depend upon sensors to give them information about the "real world." These sensors detect a value, convert it to a measureable form, and scale its range. A Phototransistor, for example, converts light intensity into fluctuations of electrical (...) (27 years ago, 13-Jun-97, to lugnet.robotics.handyboard)
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measurement
(score: 1.988)
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| | Re: baffled by a part in RIS 1.5
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| Don't punish yourself! At least you rendered the symbols from the gear correctly. There are at least four errors in the message I was responding to: (1) confusing the prefix n for nano with the unit symbol N for newton; (2) attaching two prefixes (...) (24 years ago, 4-Apr-01, to lugnet.robotics.rcx)
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measurement
(score: 1.988)
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| | Re: MOC: T'was the Parsec before Christmas....
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| (...) Hey Gil, I love it. I’m breaking my hiatus to compliment this MOC- I should think before I post! I love your interpretation of the poem. :) And I really like the model itself. I particularly like how you did the reindeer ‘bots, especially the (...) (22 years ago, 9-Dec-02, to lugnet.space)
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measurement
(score: 1.988)
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| | Re: Displacement Tonnage for Spaceships?
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| In Traveller, spaceships use a convention of how much hydrogen might (...) Whomever created "Traveller" obviously didn't think things through. Nor did (s)he know much about physics or space. Mass is a MUCH better way of comparing the sizes of space (...) (22 years ago, 30-Dec-02, to lugnet.space)
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measurement
(score: 1.988)
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| | Historical Significance of Iraq
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| Just a few positive facts to ponder: + Human civilization began over 5,000 years ago in what is now Southern Iraq. + Iraq, in ancient times known as Mesopotamia, is located between the Tigris and Euphrates rivers - the cradle of human civilization. (...) (23 years ago, 2-Oct-01, to lugnet.off-topic.debate)
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measurement
(score: 1.988)
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| | Re: Question about point/switch modifications.
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| (...) OK thanks - I wasn't looking closely enough. Do you have any more pictures from the procedure? Although I presume you did the same to re-attach the bits as you did on the new procedure. I gather you're cutting the branch off immediately after (...) (21 years ago, 8-Apr-04, to lugnet.trains)
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measurement
(score: 1.988)
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| | Re: Version 530 of my Library is available now.
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| (...) Roland, I started on my Library way back in 1992, not even having Internet in those days (just Compuserve) so didn't even know about 'competitors' if you could call it that. The many different libraries can be used together if you should want (...) (18 years ago, 21-Mar-07, to lugnet.cad)
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measurement
(score: 1.988)
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| | Re: Brikwars questions
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| (...) That'd be a hell of a lot of CP. No, I was thinking about minor improvements - one or two CPs worth. (...) Good. I figured that would be it, because a lot of ppl seem to make models first and then assign Brikwars stats, which is what I plan to (...) (24 years ago, 26-Jan-01, to lugnet.org.us.nelug)
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measurement
(score: 1.988)
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| | A few questions
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| Hi all, I'm about to build a few handyboards, and I have a few questions. 1. I don't have convenient access to an o'scope so I'm hoping to get by without one. I am in the market for a new DMM (my birthday's coming up :->), and I've located one that (...) (27 years ago, 29-May-97, to lugnet.robotics.handyboard)
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measurement
(score: 1.988)
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| | IR Range finder
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| I am posting this for in case any body is interested as I know that I will be trying to make use of it. I apologise in advance to anybody who already knows how to do this, or does not intend to use such a range finder, but I imagine there are a lot (...) (27 years ago, 17-Nov-97, to lugnet.robotics.handyboard)
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measurement
(score: 1.988)
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measurement
(score: 1.988)
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