 | | Re: TinyVM coding question
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You could use a Tcl/Tk script to install/use TinyVM/leJOS. I was trying to do this in java, but it did not work out. Now I have a GUI editor for Tcl/Tk. The buttons and menus would be easy to program, once I figure out how to do commands. Andy (...) (25 years ago, 22-Sep-00, to lugnet.robotics)
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| | Anyone getting PowerPacks?
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(URL) thinking of getting the 5220 and 5219, to spice up the designs of my robots. I've never used the kind of pieces that come in silver in 5220, are they good or bad? --Tobias (25 years ago, 23-Sep-00, to lugnet.technic, lugnet.robotics)
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| | Re: Windows 2000
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The Vision command does *not* work with win2k. Dern thing won't even *try* and install. -Ryan ----- Original Message ----- From: "Michael Cooper" <mcooper@uvic.ca> To: "James Stanton" <jbs@parsons.edu> Cc: "Lego Newsgroup" <lego-robotics@crynwr.com> (...) (25 years ago, 23-Sep-00, to lugnet.robotics)
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| | Re: TinyVM coding question
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(...) [...] I already responded to Eric via email, but for anyone else who might be interested, this bug was fixed in TinyVM 0.1.4. The current version is 0.2.2. Expect 0.2.3 tonight or tomorrow (due to a bug fix, having to do with assigning (...) (25 years ago, 23-Sep-00, to lugnet.robotics, lugnet.robotics.rcx.java)
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| | TinyVM coding question
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Folks, I have a question about TinyVM 0.1.3. I am working with the included code (TestReceiver1.java) but have come across some interesting behavior which I hope someone can explain (and offer a solution for). I am tryying to write a simple program (...) (25 years ago, 22-Sep-00, to lugnet.robotics, lugnet.robotics.rcx.java)
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| | Re: Strong gear assemble?
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(...) One trick I've used in the past to squeeze a little more torque into a small package is to pair up multiple motors. Hook their power connectors together (being careful to get the same polarity) and connect their drive shafts to do the same job (...) (25 years ago, 22-Sep-00, to lugnet.robotics)
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| | Re: Kits on sale
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oops, i called warick, RI (...) (25 years ago, 22-Sep-00, to lugnet.robotics)
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| | Bulk up on structure parts at 81% off
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Set 8269 Cyber Stinger is on clearance at www.zanybrainy.com for just $12.50 each. If you join at www.e-centives.com you get a coupon for $10 off $25 purchase, and free shipping. My total was just $15 for two 8269s, which is just over 81% off the (...) (25 years ago, 22-Sep-00, to lugnet.robotics, lugnet.market.shopping)
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| | Re: Kits on sale
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I called worchester, ma. wheres watertown? THeir website doesnt have legos either. (...) (25 years ago, 22-Sep-00, to lugnet.robotics)
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| | Re: Kits on sale
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I called worchester, ma. wheres watertown? (...) (25 years ago, 22-Sep-00, to lugnet.robotics)
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| | Re: Kits on sale
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(...) Weird, I bought my RDS at Best Buy, Watertown MA and it was indeed on sale as posted. I got a few accessories kits there also @ $19.99. I haven't been there in a few weeks though, so I can't say what they have now. -Adam (25 years ago, 22-Sep-00, to lugnet.robotics)
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| | Re: Kits on sale
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Dang, I just called my best buy ( MA) and they dont have it on sale (or even cary the products) :( anyone know of any other places to get a good price in the RI, MA, CT area? (...) (25 years ago, 22-Sep-00, to lugnet.robotics)
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| | Re: Strong gear assemble?
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According to "The Art of LEGO Design" a worm gear is best used at high-speed, low-torque points in the drive train. In other words, drive the worm from the motor, then do any further gearing... Unless your normal gear train is trading torque for (...) (25 years ago, 22-Sep-00, to lugnet.robotics)
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| | Re: Strong gear assemble?
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(...) 1:40 - The worm gear is *effectively* a 1-tooth gear. -Adam (25 years ago, 22-Sep-00, to lugnet.robotics)
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| | Re: Strong gear assemble?
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(...) 1:40. There's a single thread on the worm, moving one "tooth" per revolution. That gives you the same ration as 1 tooth gear. As has been discussed before, the characteristics of this worm gear reduction will be slightly different than (...) (25 years ago, 22-Sep-00, to lugnet.robotics)
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| | Re: Strong gear assemble?
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Im ahead of you there, I already did that :p. I need to add even more torque. The the current setup is this: worm to central 40pt gear, 40pt's axle is connected to one 8pt gear on either end and then after that a 16 (i think)on each end also. The (...) (25 years ago, 22-Sep-00, to lugnet.robotics)
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| | RE: Windows 2000
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Hi Jim, I have had win2k since April last year and have had no problems with anything Lego-Related ( I don't have vision command yet, but I would assume it works fine, Let you know in a few weeks when it arrives). ~Mike As much as I hate to admit (...) (25 years ago, 22-Sep-00, to lugnet.robotics)
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| | Kits on sale
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For what it's worth.... My local Best Buy (Portsmouth, NH) has the Extreme Creatures and RoboSports on sale at $19.99. That's 6 bucks less than the current S@H special. Also, the Scout RDS for $79.99, if you like teal and blue. The Extreme Creatures (...) (25 years ago, 22-Sep-00, to lugnet.robotics)
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| | Re: Windows 2000
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"Brian B. Alano" <lego-robotics@crynwr.com> wrote in message news:39CB6EE0.C47991...iva.net... (...) has (...) ... don't forget the Windows 2000 fasteners, a Microsoft specialty: Screw ME. -- -Rob. ===...=== New sets and parts for sale or trade: (...) (25 years ago, 22-Sep-00, to lugnet.robotics)
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| | RE: Windows 2000
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I dont want to have to upgrade to Brick ME, knowing MS they will just come out with another upgrade soon after, and does that mean I have to upgrade again? Anyway my current legos seem to work just fine with Linux. -----Original Message----- From: (...) (25 years ago, 22-Sep-00, to lugnet.robotics)
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| | Re: Windows 2000
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You don't have to do that. Microsoft is preparing to buy TLG, and rumor has it they will soon market Windows 2000-compatible blocks called Brick ME. Pricing is TBA. (...) (25 years ago, 22-Sep-00, to lugnet.robotics)
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| | Re: Windows 2000
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That is a serious issue. I'll have to make sure that all of my Legos are NT compatible then. (...) (25 years ago, 22-Sep-00, to lugnet.robotics)
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| | Re: Windows 2000
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(...) LOL LOL LOL Thats just what I needed today......... (25 years ago, 22-Sep-00, to lugnet.robotics)
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| | Re: Windows 2000
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(...) I have a friend who upgraded to Win2000, and now none of his bricks stick together anymore. (25 years ago, 22-Sep-00, to lugnet.robotics)
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| | Re: Strong gear assemble?
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(...) As ever, the most appropriate response to this question would have to be "it depends". In "real" engineering applications the answer is generally yes - certainly when I have used linear drivers based on worm screws in the past, their (...) (25 years ago, 22-Sep-00, to lugnet.robotics)
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| | Windows 2000
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I'm sure this has already been talked about, but, has anyone had any issues using Legos with Win 2000? I'm about to upgrade... Jim (25 years ago, 22-Sep-00, to lugnet.robotics)
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| | Re: Anyone know where I can get RIS 1.0 to 1.5 Upgrade in the UK?
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"Daniel Crichton" <danielc@helio.co.uk> wrote in message news:G1A9Eq.9yx@lugnet.com... (...) of (...) (set (...) Constructopedia). (...) Shop at Home in the US has the upgrade for $25, I haven't bought one yet. Here is a closed eBay auction with a (...) (25 years ago, 22-Sep-00, to lugnet.robotics)
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| | Re: New (ish) MINDSTORMS book in UK
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There are 2 books from this author: (URL) Robotics with Lego Mindstorms Robert Penfold List Price: £12.99 Our Price: £10.39 You Save: £2.60 (20%) Availability: Usually dispatched within 24 hours Paperback - 270 pages (31 August, 2000) Bernard Babani (...) (25 years ago, 22-Sep-00, to lugnet.books, lugnet.robotics)
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| | Re: Strong gear assemble?
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(...) Would the friction created be that much of a problem? Would the loss in efficiency be that noticeable? (Note: These are not rhetorical questions so a response would be appreciated :-) Jude (25 years ago, 22-Sep-00, to lugnet.robotics)
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| | Re: Strong gear assemble?
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(...) A word of caution - the worm gears are certainly great for large gear reductions in small spaces, and it is usually easy to brace them well, but they have one disadvantage over a traditional gear train - they create more friction, and are (...) (25 years ago, 22-Sep-00, to lugnet.robotics)
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| | Anyone know where I can get RIS 1.0 to 1.5 Upgrade in the UK?
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I've noticed that there are some parts in RIS 1.5 that don't exist in RIS 1.0, and that the programming software is supposed to be better (nesting of commands and such), but the Mindstorms site indicates that the upgrade (set #3803) is only (...) (25 years ago, 22-Sep-00, to lugnet.robotics)
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| | Re: Lego Mindstorms in Swedish television
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(...) Or for every one, here is the official page from the University: (URL) and drool :) TGIF! /Tobbe (25 years ago, 22-Sep-00, to lugnet.loc.se, lugnet.general, lugnet.robotics, lugnet.technic)
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| | Re: Remote control
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I have successfully trained my Sony Integrated Remote Commander RM-AV2000 (retails for $120) with the $20 remote from Lego. I have not tested training the remote from the IR tower, but I'm sure it would work. I'm also sure you could train any (...) (25 years ago, 22-Sep-00, to lugnet.robotics)
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| | RE: Remote control
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(...) Hey good idea... Now I can justify a fancy learning universal remote to myself! m@ (25 years ago, 22-Sep-00, to lugnet.robotics)
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| | Remote control
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Has any one tried using a universal remote on the RCX to see if it would work? If it did, $5 is a great improvement over $20! (25 years ago, 21-Sep-00, to lugnet.robotics)
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| | Re: Strong gear assemble?
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Thanks for the help! After sending out the email, I thought of a way to do it (using a worm and a 40t gear ;), so now it lifts its self. Its interesting to watch as it rises though, because even though its semetricle, it goes up on first one leg, (...) (25 years ago, 21-Sep-00, to lugnet.robotics)
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| | Re: Strong gear assemble?
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I second the turntable suggestion. Triple black pin two beams to the molded-in mounting lugs and you can make a perfect space to worm-gear the outer ring. As an added bonus you get tons of mounting surface to put the rest of your big- rig (...) (25 years ago, 21-Sep-00, to lugnet.robotics)
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| | Re: Advice on Rotation sensors and steering please.
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Sorry. No I meant with correcting. My motors were matched pretty well, but without correction there was a large 2-3 foot error. Also the 500->15ft statement was an approximation of the actual numbers, I did this 3 months ago. Andy (25 years ago, 21-Sep-00, to lugnet.robotics)
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| | Re: Strong gear assemble?
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(...) combination (...) (assuming (...) If you have a turntable around, you can do even better than that. I never counted how many teeth it has on the outside, but it's a lot more than the 40t gear. And even better, it has molded on "mini-beams" to (...) (25 years ago, 21-Sep-00, to lugnet.robotics)
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| | Re: Strong gear assemble?
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If you are having trouble with the weight of the object ( robot) that you are lifting, you could possibly work a worm gear into the gear box. The worm gear changes the direction of motion, which prevents the weight of the object from working (...) (25 years ago, 21-Sep-00, to lugnet.robotics)
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