 | | Re: motorized points - finally got it!
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Here's some pics on brickshelf. Sorry that they are blurry, the digi-cam I have dosen't seem to do well at close range. (URL) No modifications where made on the switch! (...) (25 years ago, 4-Dec-00, to lugnet.trains, lugnet.robotics)
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| | Re: Micro Scout powered scorpion
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(...) Thanks! I'm glad you liked it =). ~Nathan (...) (25 years ago, 4-Dec-00, to lugnet.technic, lugnet.robotics)
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| | Re: motorized points - finally got it!
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Very cool, Steve - glad you got it to work, and I'm looking forward to the pics. I've never tried rotating the motor vertically - doh! That allows the motor torque to be shifted to a different plane than the switch throw, so you won't have to use (...) (25 years ago, 4-Dec-00, to lugnet.trains, lugnet.robotics)
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| | NCQ 2.2
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Does anyone know what the differences are between NCQ 2.2 and NCQ 2.0 are? Thanks, Nick Hoff (25 years ago, 4-Dec-00, to lugnet.robotics)
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| | New website up with rotation sensor projects
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Hi all, After 2 years of fumbling I've finally updated my web pages. My new pages have some rotation sensor projects I've been working on. I have built them all with legOS, pictures will come soon. Currently I have: tachometer, stall sensor, speed (...) (25 years ago, 4-Dec-00, to lugnet.robotics)
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| | Photos of LIC Chicago, and Mindstorms Mall tour
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Dear All I have put up some photos of the new LEGO Imagination Center in the Shops at North Bridge Mall in downtown Chicago (520 N Michigan). Also some photos from the LEGO Mindstorms Mall tour which was at the Mall there 1-3 December. The shop is (...) (25 years ago, 4-Dec-00, to lugnet.robotics, lugnet.general)
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| | Re: Micro Scout powered scorpion
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That is so cool! I really like its prey. Great creation! -- Bob Fay rfay@we.mediaone.net The Shop (URL) McDowell" <Skiing_Scotsman@hotmail.com> wrote in message news:G51D7G.K37@lugnet.com... (...) (25 years ago, 4-Dec-00, to lugnet.technic, lugnet.robotics)
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| | Micro Scout powered scorpion
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Hey gang =) I just put pictures of my Micro Scout powered scorpion up at (URL) The parts mostly came from the Droid Developer kit but I had to throw in a few more gears and some other random parts. When the scorpion walks, it moves it's claws and (...) (25 years ago, 4-Dec-00, to lugnet.technic, lugnet.robotics)
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| | Re: motorized points - finally got it!
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Yippy I finally got it! I have created a motorized switch track that ran 100 switches via RCX without tearing the housing apart or missing firing! After 100 I got tired of counting and I just stopped it, so it might go for several hundred. It sits (...) (25 years ago, 4-Dec-00, to lugnet.trains, lugnet.robotics)
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| | Re: difference of generated code robolab<->NQC
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(...) They both generate the same "kind" of code (specifically LASM bytecodes), but its unlikely that code would be identical. I'm sure there are certain patterns of code that are typical from Robolab programs, and certain patterns that are typical (...) (25 years ago, 3-Dec-00, to lugnet.robotics)
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| | Re: variable conversion in legOS
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(...) This should work. Are you having problems with it? -Kekoa (25 years ago, 3-Dec-00, to lugnet.robotics)
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| | variable conversion in legOS
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Could we convert a "float" variable in legOS to "int"? Thanks Yiu (25 years ago, 3-Dec-00, to lugnet.robotics)
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| | Re: motorized points - beating a dead horse
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(...) I made a design that used a clutch gear and fit into a house. It worked very well when the switch was "warm" but wouldn't always trip it when it had been sitting for a bit. But it allowed the throw arm to fully though the switch one way or the (...) (25 years ago, 3-Dec-00, to lugnet.trains, lugnet.robotics)
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| | Re: motorized points - beating a dead horse
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Try this: (URL) On! John Matthews (25 years ago, 3-Dec-00, to lugnet.trains, lugnet.robotics)
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| | Re: motorized points - beating a dead horse
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Anyone know this address? Still hammering on solving this one! SteveB (...) (25 years ago, 3-Dec-00, to lugnet.trains, lugnet.robotics)
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| | Re: motorized points - beating a dead horse
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Great tip, I never thought about using multible pulley/rubber bands! A big problem is the detent, the two at rest positions are very "sticky". Naybe more then multible rubber bands can even move. I'll give it a try. SteveB (...) (25 years ago, 3-Dec-00, to lugnet.trains, lugnet.robotics)
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| | Re: motorized points - beating a dead horse
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Thanks Larry! And no need for embarassment I appreciate the help. SteveB (...) (25 years ago, 3-Dec-00, to lugnet.robotics)
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| | Re: Books for Mindstorms
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(...) Here's a couple - both by Robert Penfold: "Introducing Robotics with Lego Mindstorms"- ISBN 0-835934-2 (get it from Amazon) Lots of VB information "More Advanced Robots with Lego Mindstorms" - sorry, I don't know ISBN (25 years ago, 2-Dec-00, to lugnet.robotics, lugnet.books)
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| | Re: motorized points - beating a dead horse
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(...) I'm not exactly sure about your setup (I'm not into trains), but how about a small pulley (half bushing) on the motor, driving a medium pulley (with the six holes) on an axle on whose other end is an 8t gear that drives a rack. That setup (...) (25 years ago, 2-Dec-00, to lugnet.trains, lugnet.robotics)
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| | Re: Books for Mindstorms
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here's another (only in Japanese, but construction figures and nqc code are understandable to non-readers of Japanese): Title (English & Japanese) Written in List Price (\) Quantity Amount Jin Sato*s LEGOMindStorms Japanese \1900 1 \1900 TETUJIN (...) (25 years ago, 2-Dec-00, to lugnet.robotics, lugnet.books)
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| | difference of generated code robolab<->NQC
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hi, i need to know if there is a difference between the code generated by Robolab and NQC. Both are running with the standard RCX Firmware, i also know that the compiled code of both is interpreted by the firmware. -> is the generated code the same (...) (25 years ago, 2-Dec-00, to lugnet.robotics)
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| | difference of generated code robolab<->NQC
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hi, i need to know if there is a difference between the code generated by Robolab and NQC. Both are running with the standard RCX Firmware, i also know that the compiled code of both is interpreted by the firmware. -> is the generated code the same (...) (25 years ago, 2-Dec-00, to lugnet.robotics)
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| | Books for Mindstorms
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The following books cover Mindstorms: 1. "Dave Baum's Definitive Guide to LEGO Mindstorms (Technology In Action)" by Dave Baum; November 1999 2. "The Unofficial Guide to LEGO MINDSTORMS Robots" by Jonathan B. Knudsen; November 1999 3. "Extreme (...) (25 years ago, 2-Dec-00, to lugnet.robotics, lugnet.books)
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| | Re: motorized points - beating a dead horse
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(...) Well, I'm sure glad I didn't point Steve at this other excellent Lego trains site then: (URL) would have been even more embarassing. Tilman (25 years ago, 1-Dec-00, to lugnet.robotics)
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| | Re: motorized points - beating a dead horse
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(...) Tilman, good info for the other folks reading along, but trust me, Steve Barile, as a founding member of PNLTC (either the oldest or second oldest, depending how you measure, Lego Train club ((URL) and grandfather to many of the rest of us (...) (25 years ago, 1-Dec-00, to lugnet.robotics)
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| | Re: Results for Aluminum Can Stacking Contest at BrickBots.Com
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(...) [SNIP] (...) I have found that mobile robots, and stationary 'machines' are very different design challenges. A bit over a year ago I had made all sorts of mobile robots and found myself in a rut of building certain structures and units over (...) (25 years ago, 1-Dec-00, to lugnet.robotics)
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| | Re: Results for Aluminum Can Stacking Contest at BrickBots.Com
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That first place machine - Wonderful! My congratulations. And a great scheme Rich. It is often a lot more difficult than it looks to make mechanisms as complicated as this work properly. (...) When I first got my RIS a year or so ago, I decided to (...) (25 years ago, 1-Dec-00, to lugnet.robotics)
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| | Results for Aluminum Can Stacking Contest at BrickBots.Com
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The Aluminum Can Stacking Contest ended yesterday, it was a ton of fun and here are the highly anticipated (at least for me) results: First Place, stacking 5 cans in 1 minute 25 seconds, earning 6 points Matt with his Stack Master 1000 - (URL) is a (...) (25 years ago, 1-Dec-00, to lugnet.robotics)
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| | Old Contest at BrickBots.Com - Aluminum cans
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First I would like to thank Richard Sutherland for Brickbots.com and his Contests. I tried to make a can stacker. I learned a few things first you can never have to many Legos. (Need more). Second his seemly easy contest was a lot harder than it (...) (25 years ago, 1-Dec-00, to lugnet.robotics)
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| | Re: motorized points - beating a dead horse
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Michael I can't seem to get to your URL. Can you check it and reply. I really can't wait to see what you have done. SteveB (...) (25 years ago, 1-Dec-00, to lugnet.trains, lugnet.robotics)
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| | Re: motorized points - beating a dead horse
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You could try my switch - (URL) out for Lego and Models ... I build this thing using a rubber-band so you can let it run without the switch destroying itself. Just let the motor run a view seconds until the point switches it's position. Michael (...) (25 years ago, 1-Dec-00, to lugnet.trains, lugnet.robotics)
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| | Re: motorized points - beating a dead horse
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There's a lot of activity around Lego trains. Clubs, fans, shows, web sites, and lots more. If you look around, you should find some suggestions. Try this page for starters: (URL) a page with some information on point motors: (URL) (25 years ago, 1-Dec-00, to lugnet.robotics)
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| | Re: motorized points - beating a dead horse
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(...) (note some heavyhanded snippage) Well, it wouldn't be entirely elegant unless you mounted the mechanics under your substrate, but if you were to gear down the movement so that the white clutch gear had to exert less torque to overcome the (...) (25 years ago, 1-Dec-00, to lugnet.trains, lugnet.robotics)
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| | Re: motorized points - beating a dead horse
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Steve, If you are willing to use non-lego parts, there is a reliable solution. You can build a limit switch that does not use any sensor inputs. You need two "normally closed" switches, and two diodes. Solder a diode across each switch. Wire the (...) (25 years ago, 1-Dec-00, to lugnet.robotics)
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| | Re: motorized points - beating a dead horse
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Try putting belt drive stage in your geartrain so it can't destroy things and use touch switches to limit the travel... (25 years ago, 1-Dec-00, to lugnet.trains, lugnet.robotics)
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| | Re: motorized points - beating a dead horse
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I didn't take pictures, but I did it w/ some gearing and clever placement of a touch-sensor. The key part was that the touch sensor (though light or rotation would work) would sense when the switch was vertical; I then used the motor like a big (...) (25 years ago, 30-Nov-00, to lugnet.robotics)
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| | motorized points - beating a dead horse
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Hi All, Currently I am attempting to build an automated hump yard. The main problem I'm tackling is the RCX controlled motorized points. I've spent 7 hours over the last two days trying to build a motorized switch track that will run forever with (...) (25 years ago, 30-Nov-00, to lugnet.trains, lugnet.robotics)
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| | Cellular Automata
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Hi, Two new pages have been added to my website describing Cellular Automata, and how this can be used as a simple robot brain. Bert Artificial intelligence and machine learning www.bvandam.net (25 years ago, 30-Nov-00, to lugnet.robotics)
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| | Re: RIS 1.5 kit
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You can get it cheaper in the UK. PC World are selling RIS1.5 for £109.99 - i bought three sets!! k "Craig Martin" <lego-robotics@crynwr.com> wrote in message news:191100324.41999...box.com... (...) (25 years ago, 28-Nov-00, to lugnet.robotics)
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| | Re: Recipricating motion problems
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This is a little short of 90 degrees. (URL) Fay rfay@we.mediaone.net The Shop (URL) Stern" <2busytobe@home.com> wrote in message news:3A2687F4.B93568...ome.com... (...) gear, i (...) but i (...) the (...) you (...) the (...) sure (...) supposed (...) (25 years ago, 30-Nov-00, to lugnet.robotics)
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