 | | Re: Cheshire LEGOFest pictures
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WHERE CAN I CONTACT JOHN for the radio control ?? Mac ----- Original Message ----- From: Ross Crawford <rcrawford@csi.com> To: <lego-robotics@crynwr.com> Sent: Wednesday, March 07, 2001 4:23 AM Subject: Re: Cheshire LEGOFest pictures (...) makes (...) (24 years ago, 7-Mar-01, to lugnet.robotics)
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| | Re: Cheshire LEGOFest pictures
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On Tue, 6 Mar 2001 12:40:40 GMT, Jennifer Clark <jen@vulture.dmem.strath.ac.uk> wrote: What frequency is he using? Matthias Jetleb VA3-MWJ (24 years ago, 7-Mar-01, to lugnet.loc.uk, lugnet.technic, lugnet.robotics)
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| | Re: Cheshire LEGOFest pictures
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(...) Wow...that seems really impressive! I think 8 channels would make it a radio-based equivalent of the dacta robolab console. I would love to get hold of one of these units...as ROSCO said, how much are they going to cost? -Gaurav Thakur, raving (...) (24 years ago, 7-Mar-01, to lugnet.loc.uk, lugnet.technic, lugnet.robotics)
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| | Re: 3 Robot Project - ALL DONE ALMOST
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(...) What is a sperical roller andomi wheel? What do they look like? Thanks Ahui (24 years ago, 7-Mar-01, to lugnet.robotics)
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| | Re: Cheshire LEGOFest pictures
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(...) Well, not exactly - the RCX has a computer inside! (24 years ago, 7-Mar-01, to lugnet.robotics)
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| | (canceled)
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| | Re: Cheshire LEGOFest pictures
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8 radio channels!! yippee!! Beats the RCX to a pulp!! When will these be available, John? And how much? Will you have bulk sales???!!!!????!!!! 8?) ROSCO Jennifer Clark <jen@vulture.dmem.strath.ac.uk> wrote in message (...) (24 years ago, 6-Mar-01, to lugnet.loc.uk, lugnet.technic, lugnet.robotics)
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| | Re: 3 Robot Project - ALL DONE ALMOST
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Try just using one wheel on your caster. This will eliminate a good bit of the drag you are seeing. With one wheel, the drag shouldn't disturb your vehicle's heading as much. You could be tricky and use a spherical roller or an omni wheel instead, (...) (24 years ago, 6-Mar-01, to lugnet.robotics)
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| | Re: Cheshire LEGOFest pictures
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Wow, I want one :-) OK John, let me know on the price, Thanks Michael (...) (24 years ago, 6-Mar-01, to lugnet.loc.uk, lugnet.technic, lugnet.robotics)
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| | Re: Cheshire LEGOFest pictures
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(...) Ok, here is the scoop; it is the control box and transmitter for a radio control system custom built by John Barnes, a frequent poster on lugnet.robotics, which he sent to me just after Christmas. It really makes a big difference to models for (...) (24 years ago, 6-Mar-01, to lugnet.loc.uk, lugnet.technic, lugnet.robotics)
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| | Re: 3 Robot Project - ALL DONE ALMOST
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(...) use a 'glider' instead. (One of those black 2x2 stud inverted dome thingies). They slide quite well over smooth surfaces. Maybe even less friction than the pivot wheel. But mainly, they slide equally well in all directions, so no problems with (...) (24 years ago, 6-Mar-01, to lugnet.robotics)
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| | 3 Robot Project - ALL DONE ALMOST
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I'm just about done with my 3 robot project but have one last problem. I've posted before and have taken people's advise on building this project but alas I have one last barrier before I can present this at work for our Bring a Child to Work Day (...) (24 years ago, 6-Mar-01, to lugnet.robotics)
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| | Re: For those awaiting new shipments of RIS ?.?
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My lacal Best Buy has RIS 1.5 on sale at MSR. Mike... (Chicage area) (...) (24 years ago, 5-Mar-01, to lugnet.robotics)
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| | Re: Motor control ic
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(...) Look really carefully at where the metal contacts are on the studs of the RCX and cable ends. You'll probably have to draw a picture of it to get your head around it. It's really quite clever. However, electrically, there isn't anything (...) (24 years ago, 4-Mar-01, to lugnet.robotics)
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| | Motor control ic
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Hello all, Can anyone tell which controller ic I can use best for the lego 9v motors. And can someone tell me how lego manages it that if you connect your motor wrong (90deg) It still works. Altrought I think it will short-circuit the rcx. With kind (...) (24 years ago, 4-Mar-01, to lugnet.robotics)
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| | Re: Bug in RCX 2.0 beta (Was: RIS 2.0 software now in beta)
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Dear all, I have managed to pin down the problem a bit further. Please look at the following program: program foo { const c10 = 10 main { forever {} } task test { local v2f local v2e local v2d v2f = 1 v2e = 2 v2d = v2e * c10 } } If you download this (...) (24 years ago, 4-Mar-01, to lugnet.robotics.rcx, lugnet.robotics)
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| | Bug in RCX 2.0 beta (Was: RIS 2.0 software now in beta)
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Dear all, I'm experiencing a strange phenomenon in my MindScript program which I believe to be a bug, where within a task the assignment of a multiplication of a local variable (containing value 0) and a constant (set to 10) to a second local (...) (24 years ago, 4-Mar-01, to lugnet.robotics.rcx, lugnet.robotics)
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| | Re: What AC adapter to use for RIS 1.0?
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(...) A follow-up to my follow-up: I *think* possibly/maybe/hopefully I've found the source of the ELEX10204B chips, or at least a drop-in replacement. The part I've found is the MELEXIS MLX10402. This is also a 16 pin SOIC and, based on a pinout (...) (24 years ago, 3-Mar-01, to lugnet.robotics)
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| | Re: For those awaiting new shipments of RIS ?.?
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(...) It's the LEGO MINDSTORMS Robotics Invention System 1.5. The Robotics Invention System 2.0 is not expected to ship until Q3 2001. Enjoy, Kiernan Mathews Producer, LEGO Direct www.lego.com www.legomindstorms.com (24 years ago, 2-Mar-01, to lugnet.robotics)
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| | For those awaiting new shipments of RIS ?.?
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This is mainly of interest to those who were trying to take advantage of Future Shops RIS 50% off sale in January but found they were out of stock, but it might also bode well for those waiting for RIS's to re-appear in stores everywhere. When the (...) (24 years ago, 2-Mar-01, to lugnet.robotics)
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| | Re: nice tiny walker?
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Excellent instructions! Thank you. I printed out the instructions and gave them to my seven year old son. He had a great time putting it together and after dinner we had Gonsuke walking on our dining table. Gus (24 years ago, 2-Mar-01, to lugnet.robotics)
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| | Vision command on sale at Target.com
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Target.com Has vision command on sale for $49.95, that's even cheaper than Brickbay! Mike out (24 years ago, 1-Mar-01, to lugnet.robotics)
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| | RE: How big is too big? OR How the RCX Firmware Stores Manages Program Memory
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Tom's understanding is correct. All RCX programs are allocated from the same memory space. The RCX firmware provides "garbage collection" on this memory space so that whenever a program or subroutine is deleted, all programs/subroutines in higher (...) (24 years ago, 1-Mar-01, to lugnet.robotics)
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| | Re: nice tiny walker?
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You can see full building instructions and quicktime movies for these 'bots at (URL) to Hiroki who created the models... Philo (...) (24 years ago, 1-Mar-01, to lugnet.robotics)
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| | Re: What AC adapter to use for RIS 1.0?
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(...) This is a follow-up to your earlier questions about what adapter to buy. I took apart my RCX this evening and started poking around inside. The bulk of the electronics is powered through a National Semiconductor LM2936M SO (Small Outline) (...) (24 years ago, 1-Mar-01, to lugnet.robotics)
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| | Re: US S@H Specials, Feb 28 - Mar 06, 2001
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I got a whole lot of those 1x7 half with lift arms from the cyber slam kits with the cartoon like punching device. (URL) were about 20 bucks at TRU on clearance. (...) (24 years ago, 1-Mar-01, to lugnet.market.shopping, lugnet.robotics)
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| | Re: RIS SDK - Comments and questions
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(...) That's not the idea though. I'm looking to the *tiny* single chip devices that exist for I2C - those could be buried inside a sensor or motor without increasing it's size significantly. A truly distributed system with no large central computer (...) (24 years ago, 1-Mar-01, to lugnet.robotics)
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| | Re: RIS SDK - Comments and questions
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(...) As far as a motor is concerned I guess 'producing an orgy of annoying beeps' is pretty intelligent :) (...) bricks, (...) If you're not afraid to use non-lego technology you might take a look at the Velleman K8000 kit, the 'Computer Interface (...) (24 years ago, 1-Mar-01, to lugnet.robotics)
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| | Re: RIS SDK - Comments and questions
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(...) The most I've ever built with a Microscout (other than a couple of the R2D2 variants) was a six-legged alternating tripod walker ((URL) Furthermore, a standard 9V motor would function even better in that particular implimentation than the (...) (24 years ago, 1-Mar-01, to lugnet.robotics)
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| | RE: RIS SDK - Comments and questions
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Beyond discussing the theoretical usage potential of the Microscout, has anybody actually build anything with it that really uses it for something practical? Like other intelligent Lego bricks, it takes two button presses to just power it up and (...) (24 years ago, 28-Feb-01, to lugnet.robotics)
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| | Re: RIS SDK - Comments and questions
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(...) It's *far* from an intelligent motor! It's a pain to use even as a simple motor. You can't even tell it "turn on and keep running forever"... which seems like a pretty basic operation for any motor! The darned thing runs for a few seconds, (...) (24 years ago, 28-Feb-01, to lugnet.robotics)
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| | Re: RIS SDK - Comments and questions
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Harley Myler wrote: <snip> (...) <snip> I would hardly call the Microscout an intelligent motor...in technical definition, perhaps; in practical usability, far from it. In fact, I would say that the Microscout is *less* intelligent than a plain old (...) (24 years ago, 28-Feb-01, to lugnet.robotics)
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| | Re: RIS SDK - Comments and questions
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(...) Interesting comment, frankly I am surprised. The MicroScout (MS) is far from a "piece of junk" considering the fact that you can get the DDK for $40 (I might modify my opinion if the price jumped much higher than this). Irrespective of good vs (...) (24 years ago, 28-Feb-01, to lugnet.robotics)
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| | Re: NQC 2.31b 1 and the RCXcc
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(...) back (...) that (...) I had no problems editing autoexec.bat using notepad, saving it to C:, rebooting and checking that the autoexec.bat file was as I had edited it. Alan C (24 years ago, 28-Feb-01, to lugnet.robotics)
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| | Re: NQC 2.31b 1 and the RCXcc
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(...) How about the "protection function" on ME? A friend of mine tried to set his keyboard layout in autoexec.bat, but every time he rebooted, ME put back the original autoexec.bat. I believe this "feature" is meant to prevent users to mess around (...) (24 years ago, 28-Feb-01, to lugnet.robotics)
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| | Re: US S@H Specials, Feb 28 - Mar 06, 2001
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(...) <lugnet.robotics.rcx...ugnet.com> (...) they are (...) a (...) the (...) (URL) (...) Okay that clears that up. Still need to find 1 x 7 lift arm as well as 1x8 and 1x6 plates. Alan (24 years ago, 28-Feb-01, to lugnet.robotics)
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| | Re: US S@H Specials, Feb 28 - Mar 06, 2001
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Well, that certainly does not have the right piece(s)! Thanks for the search. So I still need to find Technic liftarm 1 X 7, and Technic plate 1 x 8, and 1 x 6... (...) 7" (...) (URL) > (...) <lugnet.market.shopp...ugnet.com> (...) (24 years ago, 28-Feb-01, to lugnet.market.shopping, lugnet.robotics)
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| | Re: NQC 2.31b 1 and the RCXcc
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Gus, Bob, Mario, and all, Yes, I was able to edit the C:\autoexec.bat with the line: SET NQC_OPTIONS=-TRCX2 I did not put in the second line SET PATH=c:\dev\lego\nqc;%PATH% because (a) I was not sure where to type it, and (b) I do not think I need (...) (24 years ago, 28-Feb-01, to lugnet.robotics)
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| | Re: NQC 2.31b 1 and the RCXcc
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Hi Alan, Try sysedit like Robert Fay suggested. But I think that you will need to make sure RCX2 is all uppercase. In otherwords, add the line: SET NQC_OPTIONS=-TRCX2 The other line that I have in my autoexec.bat that is related to NQC is: SET (...) (24 years ago, 28-Feb-01, to lugnet.robotics)
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| | Re: NQC 2.31b 1 and the RCXcc
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Windows 98: From "run" type "sysedit", this will open several files for editing. The top file is Autoexec.bat Type SET OPTIONS_NQC=-Tcrx2 and save the file. I don't know if this is good in Win ME -- Bob Fay rfay@we.mediaone.net (URL) Carmack" (...) (24 years ago, 28-Feb-01, to lugnet.robotics)
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| | Re: NQC 2.31b 1 and the RCXcc
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I am responding to both Mario and Gus in this one post. I am trying to update my RCXcc so it can use the newer versions of NQC and RCX2 under Windows ME. Mario writes (...) must (...) Uh, I am using Windows ME, so I went to Control Panel and then (...) (24 years ago, 28-Feb-01, to lugnet.robotics)
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| | Re: RIS SDK - Comments and questions
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(...) No. The Microscout doesn't have an IR detector. The microscout really is a piece of junk. The business of having the motor inside the computer makes it hard to build into things, the pre-built programs are not at all well thought out (where is (...) (24 years ago, 28-Feb-01, to lugnet.robotics)
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| | RIS SDK - Comments and questions
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I have just started to try this - is it ever cool. I notice that the Brick options are RCX, Scout and MicroScout - Does this mean that I can program the MicroScout using the RIS Tower ? - If so, do I use LASM ? - I assume that I put it in P-mode ... (...) (24 years ago, 28-Feb-01, to lugnet.robotics, lugnet.robotics.rcx)
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| | [Fwd: IR Website]
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This is a GREAT site for anyone interested in IR transmission... (...) (URL) Steve Baker HomeEmail: <sjbaker1@airmail.net> WorkEmail: <sjbaker@link.com> HomePage : (URL) Projects : (5 URLs) (24 years ago, 28-Feb-01, to lugnet.robotics)
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| | Re: Shrimp, Lobster & more...
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(...) The mechanism to steer these two wheels in sync would be a bit tricky, though, considering that the wheels are suspended independently. An easier and more flexible way is to steer the two wheels separately, but attach a rotation sensor to each (...) (24 years ago, 27-Feb-01, to lugnet.robotics)
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| | Re: Micro-Switches, Mux
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hi Tim, I've made an overview of the different kinds of multiplexers (including mine :-)), and the ultimate suggestion to mux up to 8 switches. If you still not believe, you can download the Excel program from the same page. (...) -- met (...) (24 years ago, 27-Feb-01, to lugnet.robotics)
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| | Re: Micro-Switches, Mux
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See (URL) for a 3-input design (which I tried to build and made it look very nice--but I was remembering the values from memory. I ended using resistors a factor-of-1000 too small ;)) However, I don't think that'll help much with a 4-mux. There is (...) (24 years ago, 27-Feb-01, to lugnet.robotics)
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| | Re: Two New Contests at BrickBots.Com
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(...) You mean this one? (URL) with javascript and frames Jürgen (24 years ago, 27-Feb-01, to lugnet.robotics)
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| | Re: article in JavaWorld and Garbage Collection
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(...) I would not call it running counter to many folks' Java sensibilities, this suggestion simply violates one of the main Java principles. I sincerely hope that nobody even remotely considers implementing this. The only correct way of (...) (24 years ago, 27-Feb-01, to lugnet.robotics, lugnet.robotics.rcx.java)
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| | Re: NQC 2.31b 1 and the RCXcc
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(...) 2.2 (...) problems. (...) Mario (24 years ago, 27-Feb-01, to lugnet.robotics)
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| | Re: Black friction peg size
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Oops, there goes my three sort theory; now I can start inspecting my 8448 for those less-thick black pegs. Well, then this is sort Four ;-) Simon Bogaert ----- Original Message ----- From: "Mario Ferrari" <mario.ferrari@edis.it> To: (...) (24 years ago, 27-Feb-01, to lugnet.robotics)
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| | Re: Black friction peg size
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Hello, As to my knowledge, there are two sorts of black friction pegs. Sort 1 is the oldest one. It has the usual form of a peg, but it has full-length ribbons on it: from the middle to the end, there's a ridge to cause the friction. These pegs stay (...) (24 years ago, 27-Feb-01, to lugnet.robotics)
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| | Hope for 2.0
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Seeing (URL) me hope that 2.0 is not that far away. Francois (24 years ago, 27-Feb-01, to lugnet.robotics)
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| | Re: Wall transformer for RCX
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The safest bet is to use a transformer that comes with one of the LEGO train sets. I asked LEGO via email and they recommended using one of these. Here are the specs of of it: Input: 120VAC 60 Hz .12A Output: 12VAC 7 VA (...) (24 years ago, 27-Feb-01, to lugnet.robotics)
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| | cheap 8735 motor sets
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eToys is going belly up sometime in the next 5 days according to my local news report - HOWEVER, they are listing 8735 motor sets (9v motor w/ large battery box, gears, wheels and misc. parts) for $19.99 - about half price. Not too bad a deal (...) (24 years ago, 26-Feb-01, to lugnet.robotics)
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| | Re: Two New Contests at BrickBots.Com
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(...) Nope your not thick, but the RCX is! It seems to be simple problem, but I suspect the limitations of the RCX / LEGO's will make it difficutlt. (...) Wow, I just now finally understand! The picture B. Shahian linked to finally make it clear for (...) (24 years ago, 26-Feb-01, to lugnet.robotics)
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| | RE: Two New Contests at BrickBots.Com
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(...) OK, now that I've figured out what the pendulum base looks like, I can see the advantage of the rotating base, namely that we eliminate the need for detecting the end of the range of motion! Thanks to all who helped in my quest for (...) (24 years ago, 26-Feb-01, to lugnet.robotics)
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| | RE: Two New Contests at BrickBots.Com
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There are 2 versions of this problem with many advanced variations that you can observe in this site. What you have mentioned is the linear version which is allowed and ok. I do'nt think the rack and pinion works in the rotary version. -----Original (...) (24 years ago, 26-Feb-01, to lugnet.robotics)
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| | RE: Two New Contests at BrickBots.Com
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(...) www.quanser.com and click on quick list and click on rotary IP. KaChing!!!! Great website! Now I get the problem..... By the way Rich, there are LOTS of ideas on this site for "experiments" I was thinking of solving the pendulum problem with a (...) (24 years ago, 26-Feb-01, to lugnet.robotics)
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| | RE: Two New Contests at BrickBots.Com
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go to this link to see a picture and details of a company that sells univ. lab equipment. The challenge is whether this can be done using RCX. (URL) there are problems with the link, go to the main site www.quanser.com and click on quick list and (...) (24 years ago, 26-Feb-01, to lugnet.robotics)
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| | RE: Two New Contests at BrickBots.Com
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(...) back when at the University of Waterloo, we designed a 2D inverted pendulum balancer on a plotter bed. The pendulum rotated a sensor, and we had to move the bed to keep it stable. You'd get bonus points for moving the bed in 2 dimensions.... I (...) (24 years ago, 26-Feb-01, to lugnet.robotics)
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| | Re: article in JavaWorld and Garbage Collection
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(...) How 'bout implementing a "recycler" of some sort? Running it periodically in a quieter control thread, or just not using it at all for smaller, tighter code? --- J Austin David austindavid.com austin@gtf.org "Only two things are infinite: The (...) (24 years ago, 26-Feb-01, to lugnet.robotics)
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| | Two New Contests at BrickBots.Com
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Hello Builders, Two new contest have started at BrickBots.Com! Spinning Tops Start Date: 2/26/01 End Date: 3/12/01 Score Type: Points Description: Build a robot to set one or more tops spinning for as long as possible. Tops are to be constructed of (...) (24 years ago, 26-Feb-01, to lugnet.robotics)
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| | Re: NQC 2.31b 1 and the RCXcc
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(...) Like Mario Ferrari said, RCXCC works fine with the new firmware and NQC 2.2 and 2.3. You just need to make some changes to the autoexec.bat. If you also make changes to the registry you will get RCXCC to show all the new commands in color and (...) (24 years ago, 26-Feb-01, to lugnet.robotics)
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| | Re: NQC 2.31b 1 and the RCXcc
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Hi Alan, you *can* use RcxCC with the new firmware. RcxCC has not been updated so in its native mode it doesn't support the new version of NQC. But for effect of downward compatibility it has no problems in communicating to the new firmware through (...) (24 years ago, 26-Feb-01, to lugnet.robotics)
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| | Re: Black friction peg size
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The first time I noticed the less thick black pegs was in the 8448 Superstreet sensation and in the other technic sets from the same year (8444, 8445, 8446). It seems to me that there are 4 different kinds of black pegs that came out over time, but (...) (24 years ago, 26-Feb-01, to lugnet.robotics)
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| | Re: NQC 2.31b 1 and the RCXcc
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----- Original Message ----- From: "Miles Gentry" To: <lugnet.robotics@lugnet.com> Subject: Re: DDK - What use are they / lower prices seen> To go to an even higher level, after you get the new NQC, then get RCX2 (...) On the download page it says: (...) (24 years ago, 26-Feb-01, to lugnet.robotics)
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| | Black friction peg size
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While I was makeing a simply fixture to mount black friction pegs in a lathe, I discovered that they come in two different wall thicknesses! I had never seen a posting about this and I had never noticed it before, but it accounts for why some things (...) (24 years ago, 26-Feb-01, to lugnet.robotics)
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| | Wall transformer for RCX
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I have seen a number of post asking the same question, What to use for external power for the RCX (ver 1.0) I have been using RadioShack; cat # 273 1631 - 9v 800mA AC This transformer has the correct size jack. The output voltage is adjustable. I (...) (24 years ago, 26-Feb-01, to lugnet.robotics)
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| | How big is too big?
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I have a NQC program that is not working properly. However, when ever I complie and run a smaller section of the code it works fine. The basics of the code is the following: 1. wait until you get a valid message from RCX1 (code is for RCX2) 2. go (...) (24 years ago, 26-Feb-01, to lugnet.robotics)
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| | Re: DDK - What use are they / lower prices seen
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(...) These are (far better) comments than I was going to make wrt to scout and micro-scout. Essentially, the scout and micro-scout allow you to experiment with team and cooperative robotics--as Miles said: "a higher level". I bought my 7.5 YO son a (...) (24 years ago, 26-Feb-01, to lugnet.robotics)
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| | Re: Shrimp, Lobster & more...
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Like Xanthra47 wrote, there's still room for the first shrimp that can steer :-) On this topic I have some ideas. I would use the four central wheels like tracks, blocking the inner ones in the turn (or slowing down them) while keeping the outers at (...) (24 years ago, 26-Feb-01, to lugnet.robotics)
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| | Re: DDK - What use are they / lower prices seen
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(...) You can have some fun with the Micro Scout if you have the Scout from Robotics Discovery Set (9735). Some of the Scout's built-in programs emit Visible Light Link codes from its LED (output port 3) to trigger built-in programs in the Micro (...) (24 years ago, 26-Feb-01, to lugnet.robotics, lugnet.robotics.vll, lugnet.robotics.microscout, lugnet.robotics.scout)
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| | DDK - What use are they / lower prices seen
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With repect to the RCX, what use are the Droid Developer Kits (DDK) beyond their appearing limited 7 firmware programs ? I do think they are attractive to the younger lego maniacs - so I'm not slamming them. Actually I got one today for my 8 year (...) (24 years ago, 26-Feb-01, to lugnet.robotics)
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| | Re: Shrimp, Lobster & more...
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Oh no more competition on the shrimp :-( I thought I was going to build the first lego shrimp. Oh well, I guess I can learn from the other models and try to build a better one. Thanks for sharing it with us... Ram ----- Original Message ----- From: (...) (24 years ago, 25-Feb-01, to lugnet.robotics)
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| | RIS Bulldozer
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Does anyone know where plans for the RIS Bulldozer might be found? There is a pic of it on the back of the box, and I've searched all over for it, but to no avail. I want to push some dishes off the dinning room table =) Tom Heverly (24 years ago, 25-Feb-01, to lugnet.robotics)
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| | Re: error -14
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The latest version of directx is 8.0 ... it's upwards compatible and has some bugs fixed , you can find it on the microsoft site. If you first install directx 8.0, the mindstorms installation won't install the old version of directx. Good luck. (...) (24 years ago, 25-Feb-01, to lugnet.robotics)
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| | error -14
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Just got my RCX 1.5 and while installing the software I recieved a message 'could not install Direct 6.1, error -14.' note I use windows '98 and not sure what Direct 6.1 is. would someone please advise me? I know know I am addressing the masters of (...) (24 years ago, 25-Feb-01, to lugnet.robotics)
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| | Re: A new Rover
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I like the idea of having the motor pinion directly drive the differentials. I've been wracking my brain trying to come up with a way to integrate a differential into tracked crawler. Thanks for the inspiration : ) -Xanthra47 PS. Oh, yeah. Cool (...) (24 years ago, 25-Feb-01, to lugnet.robotics)
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| | Re: Shrimp, Lobster & more...
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More excellent robots ! Thanks for sharing, Mario : ) I'm sorta bummed that you beat me to the LEGO(R) Shrimp, but I love your drive system and you did leave me some leeway to build a shrimp that can steer.... Xanthra47 "Mario Ferrari" (...) (24 years ago, 25-Feb-01, to lugnet.robotics)
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| | Re: A new Rover
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(...) Mario (24 years ago, 25-Feb-01, to lugnet.robotics)
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| | Re: article in JavaWorld and Garbage Collection
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Great article, Jonathan! That's exactly what I need to get started. Your point about garbage collection (esp. lack thereof) reminded me of a question I have for everyone: Since LeJOS doesn't currently implement garbage collection, it seems there are (...) (24 years ago, 24-Feb-01, to lugnet.robotics, lugnet.robotics.rcx.java)
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| | A new Rover
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Look it here : (URL) is the successor of (URL) (24 years ago, 24-Feb-01, to lugnet.robotics)
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| | Fixed it
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Thanks again. It's pretty hard getting even a small site to work properly. I.e., Geocities frequently drops images from the instructions page. I might provide a better format (pdf?) soon. Cheers, Miguel (24 years ago, 24-Feb-01, to lugnet.robotics)
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| | Shrimp, Lobster & more...
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No, I'm not OT :-) SHRIMP is the name of a very clever high mobility rover developed by the Autonomous Systems Lab in Lausanne, Switzerland. You can see it here: (URL) ago I made a Lego implementation of it, and only now found the time to put it on (...) (24 years ago, 24-Feb-01, to lugnet.robotics) !
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| | Re: AT-AT
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do you have any diagrams online? The thing is, we don't have the set. But we're making progress. We now know how the legs work. it's the gears that are a problem (24 years ago, 24-Feb-01, to lugnet.robotics)
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| | Re: Weekend building: Nagata / DDK / Microscout - based biped walker
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The problem is with the link, it points to: (URL) it should point to: (URL) the one back-slash to a forward slash and you'll be redirected to the correct page. --Scott (...) (24 years ago, 23-Feb-01, to lugnet.robotics)
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| | Re: Weekend building: Nagata / DDK / Microscout - based biped walker
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(...) geocity's equivalent) There was en error (backslash instead of slash) in the link: it should be: (URL) kjell (24 years ago, 23-Feb-01, to lugnet.robotics)
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| | Re: Weekend building: Nagata / DDK / Microscout - based biped walker
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(...) Beauties of free hosting ... happens often in Geocities, try again. It's there. Thanks for the heads up! (24 years ago, 23-Feb-01, to lugnet.technic, lugnet.cad, lugnet.build, lugnet.robotics, lugnet.starwars, lugnet.robotics)
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| | RE: AT-AT
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(...) Exactly. Mine walks very nicely, and has not fallen over once. Otherwise it's pretty boring however, because the MicroScout is extremly limited in its capabilities. The best program I found is the one that makes it walk when you shine a light (...) (24 years ago, 23-Feb-01, to lugnet.robotics)
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| | Re: Weekend building: Nagata / DDK / Microscout - based biped walker
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(...) I clicked on the link under the ray-traced image, and got a 404 error (or geocity's equivalent) ROSCO (24 years ago, 23-Feb-01, to lugnet.technic, lugnet.cad, lugnet.build, lugnet.robotics, lugnet.starwars, lugnet.robotics)
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| | Weekend building: Nagata / DDK / Microscout - based biped walker
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Just in time for the coming weekend! Build a robot that walks on two legs using pieces from the Droid Developer kit! I hope I'm not spamming, since I sincerely hope the updates done to my site will interest people from all the groups I'm posting to. (...) (24 years ago, 23-Feb-01, to lugnet.technic, lugnet.cad, lugnet.build, lugnet.robotics, lugnet.starwars, lugnet.robotics)
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| | Re: 2.0 RIS Update
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Hi I just called Lego Customer Service. The guy confirmed the information about the delay for version 2.0. But until 2.0 will be released, the version 1.5 will continue to be produced. He talked about new functionnalities of the RCX brick (but he (...) (24 years ago, 23-Feb-01, to lugnet.robotics)
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| | can't logon to the mindstorms website
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hey all, i'm from Dubai ,U.A.E .i'm a registered user of the lego ris but i can't log on to the mindstorms website, i really want to take part in the contests but i can't can someone tell me why i can't logon i've been asking the lego company about (...) (24 years ago, 23-Feb-01, to lugnet.robotics)
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| | Re: AT-AT
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(...) So did mine when I first built it. You have to be VERY careful. I checked carefully and discovered that I'd made THREE mistakes while building it. When I corrected them all, it walked beautifully except for the fact that it only goes about a (...) (24 years ago, 23-Feb-01, to lugnet.robotics)
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| | Re: AT-AT
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(...) Very badly. If you figure out a mechanism for yourself it will almost certainly be better. Mine falls over every few steps. (24 years ago, 23-Feb-01, to lugnet.robotics)
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| | Re: 2.0 RIS Update
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Hi I just called Lego Customer Service. The guy confirmed the information about the delay for version 2.0. But until 2.0 will be released, the version 1.5 will continue to be produced. He talked about new functionnalities of the RCX brick (but he (...) (24 years ago, 23-Feb-01, to lugnet.robotics)
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| | Re: What AC adapter to use for RIS 1.0?
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Thanks a lot guys I guess Lego should have thought about this and sell power supplies for their units (or at least let people know what kind they need) What I really wonder is why nothing has been done, I just got this unit 2 days ago, but Lego (...) (24 years ago, 23-Feb-01, to lugnet.robotics)
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| | Re: My RCX doesn't work!
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(...) Pitsco-Dacta still have it in their catalog. www.pitsco-legodacta.com (...) Have you tried replacing the battery in the tower? Have you tried switching the long-range/short-range switch on the front of the tower? (24 years ago, 23-Feb-01, to lugnet.robotics)
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| | Re: 2.0 RIS Update
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(...) Did you ask whether they would be continuing to make 1.5's ? I don't think many people would be all that concerned at a delay for 2.0 - but if there are no 1.5's around for all that time, it'll put a severe kink in our ability to keep the (...) (24 years ago, 23-Feb-01, to lugnet.robotics)
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