 | | Re: A very inspiring design
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Joe's awesome-- no doubt. Just when you think he's covered every style of bipedal motion, he comes up with another. I'd LOVE to see some more (besides Eric Sophie's brilliant creations) lego mecha that are actually mobile. I've yet to incorporate my (...) (23 years ago, 12-Mar-02, to lugnet.technic, lugnet.robotics, lugnet.build.mecha, lugnet.build)
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| | Re: Using Laptop´s IR port
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(...) Probably not. I've done this with my palm pilot and it required major direct hardware stuff. You'll have to generate a 38kHz ir carrier signal. I doubt, that this is easy to achieve with a laptop. Are there any programs, that can emulate a (...) (23 years ago, 12-Mar-02, to lugnet.robotics)
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| | Not able to read sensor values from RCX-Unit
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Hi, i'm trying to write a program that makes a Legoroboter able to navigate in different rooms / labyrints. For this the computer needs to know, when one of the touch-sensors is pressed. I use poll(9,x) for this. My problem is that the returned (...) (23 years ago, 12-Mar-02, to lugnet.robotics)
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| | Re: Linux driver for USB Tower
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A better link would be (URL) you have to find the link for the Project Home Page (under Public Areas). Ed P.S. I am not involved either! Rainer Balzerowski <balze2@gmx.net> wrote in message news:Gpn9Lo.6E@lugnet.com... (...) (23 years ago, 11-Mar-01, to lugnet.robotics.rcx.legos)
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| | Using Laptop´s IR port
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Hi, I have a laptop sony, and I wonder if I can used the laptop´s IR port to downloads the programs and use LNP? Thank you. I´m using Windows 2000 but i could use Linux if i need to . I don´t know much about linux :( I´m using LegOS 0.2.5 (23 years ago, 12-Mar-02, to lugnet.robotics)
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| | Re: Erroded axles
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(...) I think that's just an inherent problem with lubricating parts. I don't think there is an easy way around it, unless we operate our models in a very clean environment. But even then it's hard to keep everything clean. (...) Have a look though (...) (23 years ago, 12-Mar-02, to lugnet.technic, lugnet.robotics)
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| | Re: Erroded axles
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(...) Yes, i did it before posting the message. It is of no use for me, front axle is too low - too small ground clearance, every lubrication i tried catched dust and made things much worse. I didn't tried teflon (?tephlone?) as lubricatin yet. (23 years ago, 12-Mar-02, to lugnet.technic, lugnet.robotics)
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| | Re: Reading exceptions
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(...) The 0078 is the method signature number of the method where the exception was thrown. The 8, is the least significant figure of the number referring to the exception class thrown. To get further information, you must add the -verbose option to (...) (23 years ago, 12-Mar-02, to lugnet.robotics.rcx.java)
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| | Re: Cybermaster on WinXP
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I received an e-mail from someone who was able to successfully run the Cybermaster software on Windows XP. His tips are as follows: "1. Instead of using the Quicktime that comes with Cybermaster, I went to apple.com and downloaded the latest. It (...) (23 years ago, 12-Mar-02, to lugnet.robotics.cybermaster)
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| | Should I start regretting my VC impulse buy?
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Hi all, I just received my Vision Command set, purchased on an impulse when I read a post on Lugnet that I could get it for $25 from KBtoys.com. It arrived today, and I've just spent a couple of fruitless hours trying to get the Lego camera to work (...) (23 years ago, 12-Mar-02, to lugnet.robotics.vc)
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| | Re: New Book - Core Lego Mindstorms
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Thanks for the kind words Mario! I just want to mention to others who might be ordering to please use the Amazon Associates link on our leJOS web page: (URL) profits generated through this program will be used to obtain a domain name and hold (...) (23 years ago, 12-Mar-02, to lugnet.robotics)
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| | Book on Programming the RCX with Java
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If anyone would like more information on the new book "Core Lego Mindstorms Programming" check out my announcement on Lugnet: (URL) (23 years ago, 12-Mar-02, to lugnet.robotics.rcx, lugnet.robotics.rcx.java)
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| | Re: Lego mindstorms and windows 3.11
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(...) There's only one class (PSerial_win.cpp) that has Win32 code in it. If someone wants to write a DOS version of the serial interface class (perhaps named PSerial_dos.cpp), I'll gladly include it in the distributions. Dave (23 years ago, 12-Mar-02, to lugnet.robotics)
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| | Re: legOS not working with external relay switches
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three 2200uf capacitors fixed the problem but does anyone know why the difference between legOS and the standard firmware?? "Kingsley Gifford" <kgifford@thezone.net> wrote in message news:3C8BDD44.809080...one.net... (...) (23 years ago, 11-Mar-02, to lugnet.robotics.rcx.legos)
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| | Re: legOS not working with external relay switches
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three 2200uf capacitors fixed the problem but does anyone know why the difference between legOS and the standard firmware?? "Kingsley Gifford" <kgifford@thezone.net> wrote in message news:Gss5st.I5F@lugnet.com... (...) (23 years ago, 11-Mar-02, to lugnet.robotics)
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| | Re: Erroded axles
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Not the best picture, but dust heaps non-the less: (URL) (23 years ago, 11-Mar-02, to lugnet.technic, lugnet.robotics)
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| | Re: Erroded axles
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I think you'd want to use a silicon lubricant, not greese. -- Greg (...) (23 years ago, 11-Mar-02, to lugnet.robotics)
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| | Re: Erroded axles
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In lugnet.technic, Fredrik Glöckner writes: <snip> (...) Lubrication has been discussed quite a bit before. Be sure to check out "lubrication" under the Popular Subjects and FAQ section on the Technic front page: (URL) (23 years ago, 11-Mar-02, to lugnet.technic, lugnet.robotics)
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| | Re: Fw: exponents, e^
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legOS isnt hard to setup on windows, but i think lejos is an easier environment to setup/use, especially for users who have no cygwin/unix experience.... (...) (23 years ago, 11-Mar-02, to lugnet.robotics.rcx.legos)
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| | Re: Erroded axles
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(...) It is pretty normal to experience wear in LEGO axles and bushings and so on. In my experince, this is happens when you have a fast turning axle which runs for an extended period of time, especially when there is some load on the axle. I have (...) (23 years ago, 11-Mar-02, to lugnet.technic, lugnet.robotics)
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| | Re: A very inspiring design
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Wow! This biped is awsome. Joe has some very slick designs, I am completly humbled by this simplicity of this particular biped. It even turns, which is VERY hard to implement. There are other bipeds that claim to turn..I have serious doubts about (...) (23 years ago, 11-Mar-02, to lugnet.technic, lugnet.robotics, lugnet.build.mecha, lugnet.build)
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| | Erroded axles
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Hallo to everyone first, sorry to all language purists, it's not my native language. I like treaded vehicles so i built very simple one using rubber treads from RIS 1.5 set. ( actually it was "tank" very similar to "dozer" from RIS 1.0, but without (...) (23 years ago, 11-Mar-02, to lugnet.technic, lugnet.robotics)
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| | Re: More then 3 Lego Light Sensors at a time?
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An active multiplexor would solve your problem. Take a look at the one sold at www.mindsensors.com, it allows you to hook three sensors to one input port. The sensors can be of any type. They don't work directly with legOS, but I've summited a legOS (...) (23 years ago, 11-Mar-02, to lugnet.robotics)
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| | Reading exceptions
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Hello, I've recently started working with lejOS and was having some dificulty with my code. When ever I get an exception, there is a buzz, the arrow under the 2 lights up, and a number like "0078 8" shows up. I was wondering how I read this number (...) (23 years ago, 11-Mar-02, to lugnet.robotics.rcx.java)
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| | Re: More then 3 Lego Light Sensors at a time?
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(...) Have you tried both active and passive mode? Have you tried putting them in series? Other than that you could try to use a switch to select one of several sensors. Jürgen (23 years ago, 11-Mar-02, to lugnet.robotics)
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| | Re: New Book - Core Lego Mindstorms
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Hi Brian The list of the covered topics makes your book very promising. I'm going to pre-order it right now. Good luck! Mario (...) a (...) programmers (...) Lego (...) Bean) (...) robots (...) (23 years ago, 11-Mar-02, to lugnet.robotics)
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| | More then 3 Lego Light Sensors at a time?
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Hello all, I have been lurking for a while, and tried doing a little searching on the net, and have not seen this anywhere. Is it possible to use more then 3 standard lego light sensors at a time? I have seen that there are configurations for (...) (23 years ago, 11-Mar-02, to lugnet.robotics)
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| | Re: Lego mindstorms and windows 3.11
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(...) Yeah - actually programming is what I do for a living, in a combination of perl, java, C++ and anything else they care to throw in my direction. I actually found the visual lego programming surprisingly entertaining and powerful and it was a (...) (23 years ago, 11-Mar-02, to lugnet.robotics)
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| | Re: Lego mindstorms and windows 3.11
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(...) You mean USB, although the small packet size and generally unreliable nature of the IR connection makes it seem like UDP sometimes :-) I just spent the best afternoon I've spent in a long time trying to make my lego robot follow wells *well*. (...) (23 years ago, 10-Mar-02, to lugnet.robotics)
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| | Re: Re: Lego mindstorms and windows 3.11
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NQC may work with Windows 3.xx if Win32s is installed. When I figure out where I put that old 3.xx machine or two, I'll try it out. If the computer has MS DOS on it, then QBASIC is probably there as well. One could always use that. There are several (...) (23 years ago, 11-Mar-02, to lugnet.robotics)
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| | Re: A very inspiring design
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(...) Hammerhead is very tricky to adjust correctly. I'll be putting some more tips on how to achieve it properly on my site. Miguel Agullo (URL) (23 years ago, 10-Mar-02, to lugnet.technic, lugnet.robotics, lugnet.build.mecha, lugnet.build)
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| | legOS not working with external relay switches
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I'm in the process of "reviving" past inventions with my new knowledge of legOS. One such invention (if you can call it that) used 3 12V relay switches to control external circuits. Full power on the outputs would trigger the relays. however, under (...) (23 years ago, 10-Mar-02, to lugnet.robotics)
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| | legOS not working with external relay switches
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I'm in the process of "reviving" past inventions with my new knowledge of legOS. One such invention (if you can call it that) used 3 12V relay switches to control external circuits. Full power on the outputs would trigger the relays. however, under (...) (23 years ago, 10-Mar-02, to lugnet.robotics.rcx.legos)
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| | Re: Pneumatics: the old and the new
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Very nice design. I don't have access to old style pneumatic cylinders, but was thinking of doing something similar with the new double acting cylinders. Because I don't have a check valve in the new pneumatics that would allow me to store vacuum, I (...) (23 years ago, 10-Mar-02, to lugnet.technic, lugnet.robotics)
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| | Re: A very inspiring design
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Very cool. Should be able to do it with two motors. I wonder how he sync's the left and right feet. It doesn't look like any sensors are used, or am I missing the wires? I am inspired. P.S. I was also inspired by hammerhead. Since I only had the 9v (...) (23 years ago, 10-Mar-02, to lugnet.technic, lugnet.robotics, lugnet.build.mecha, lugnet.build)
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| | Robotics - Lego and otherwise...
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(URL) -- ___...___ Are we to have a censor whose imprimatur shall say what books shall be sold and what we may buy? Thomas Jefferson ravage@ssz.com www.ssz.com jchoate@open-forge.org www.open-forge.org ---...--- (23 years ago, 10-Mar-02, to lugnet.robotics)
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| | Re: Is RIS 2.0 upgrade available?
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Hi Edwardo, It is available, ref 3805 (see (URL) Shop@home is indeed not available in Spain... Imho, this upgrade is worth the price, advanced models on CDrom are fine and the new RIS software is much more usable than RIS 1.5 (Yes, you can even use (...) (23 years ago, 10-Mar-02, to lugnet.robotics)
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| | Is RIS 2.0 upgrade available?
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I saw several months ago in Lego MindStorms site that there would be a RIS 2.0 upgrade kit as there was the 1.5 one. Does anybody if this is still true? The time has passed and there are no notices about that. Also I would like to know if it is (...) (23 years ago, 10-Mar-02, to lugnet.robotics)
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| | New version of NQCEdit
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Version 1.6 of NQCEdit is now released. This program is a front-end IDE for the NQC command line compiler that offers syntax coloring. NQCEdit is able to do most of the things that NQC is capable of: - Compile program for all targets - Download (...) (23 years ago, 10-Mar-02, to lugnet.robotics.rcx.nqc)
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| | RE: Psion 5mx and pbForth
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(...) Way to go Ian! I'm moving along in my attempts to get the USB tower working with pbForth. The USB tower uses ODD parity, and that cannot be changed. Sooo, to all the other environment writers out there, be aware that the next version of (...) (23 years ago, 10-Mar-02, to lugnet.robotics.rcx.pbforth)
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| | Rug Warrior
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Does anyone know if Rug warrior program in the book "Mobile Robots - Inspiration to implementation" can be run on a Handyboard? Has anyone run the Rug Warrior on Handyboard/Lego kit? Can the handyboard facilitate the same components? Thanks Liam (23 years ago, 10-Mar-02, to lugnet.robotics.handyboard)
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| | Re: A very inspiring design
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(...) Hey, I said *inspiring* ;-) Actually, if you're familiar with Hammerhead (a MOC on my site) or other ankle-bending bipeds, you'll see how Joe has come up with new aand refreshing solutions for this kind of robots. If you're not so specialized (...) (23 years ago, 10-Mar-02, to lugnet.technic, lugnet.robotics, lugnet.build.mecha, lugnet.build)
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| | Re: A very inspiring design
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(...) next book? (23 years ago, 10-Mar-02, to lugnet.technic, lugnet.robotics, lugnet.build.mecha, lugnet.build)
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| | Re: RCX as a PGP engine
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(...) They don't, but they need bignums (really big integers). (...) the API is in java.math.BigInteger . (...) You could just run PPP over it I suppose, with some encryption (IPSec?) on top of it. Would be dead slow, though. The charm of the RCX (...) (23 years ago, 10-Mar-02, to lugnet.robotics.rcx.legos, lugnet.robotics.rcx.java)
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| | A very inspiring design
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Hi all, This new robot by Joe Nagata integrates so many solutions in such a simple design that I have little doubt it will be as instantly inspiring to many of you as it has been to me. (URL) building! Miguel Agullo (URL) (23 years ago, 10-Mar-02, to lugnet.technic, lugnet.robotics, lugnet.build.mecha, lugnet.build)
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| | Re: New Book - Programming Lego Mindstorms with Java
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Hi all, As some of you also know, there is a companion book to Mario and Giulio Ferrari's book "Building Robots with Lego Mindstorms" coming out at about the same time (not to rain on your announcement Brian ;-) titled "Programming Lego Mindstorms (...) (23 years ago, 10-Mar-02, to lugnet.robotics)
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| | Re: NQC "No reply from RCX" Help Please
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(...) I'm glad it was a simple fix. Thanks also for buying my book - I hope you found it helpful and/or enjoyable. Dave Baum (23 years ago, 10-Mar-02, to lugnet.robotics)
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| | Re: Cross Posting - Lafayette (Indiana) Area Lego Robotics Club.
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Sorry for the poorly done cross-post. You know I messed around for an hour trying to figure out how to do it, and was unsuccessful. I needed to put a comma between the group names. Now I know what I was doing wrong. I've alreay gotten several (...) (23 years ago, 10-Mar-02, to lugnet.robotics)
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| | Re: Lafayette (Indiana) Area Lego Robotics Club.
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Steve, This is great news, but do you need to post like this? Why not just cross post in one shot. (i.e. copy and paste the names into the Newsgroups space) Then again I could not fit all the newsgroups you posted to into the space? See Ya... Robin (...) (23 years ago, 10-Mar-02, to lugnet.robotics, lugnet.announce, lugnet.org.us.indylug, lugnet.org, lugnet.loc.us, lugnet.org.us.smart, lugnet.org.us.gmlug, lugnet.org.us.michlug, lugnet.loc.us.mi, lugnet.loc.us.in.ind)
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| | Re: Lafayette (Indiana) Area Lego Robotics Club.
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(...) Whoops, that should be lugnet.PEOPLE.newbie.... sorry about that! (23 years ago, 10-Mar-02, to lugnet.robotics)
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| | Re: Lafayette (Indiana) Area Lego Robotics Club.
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(...) Congrats on your club formation. Looks like you had a good competition. You may want to look into how to crosspost... your announcement may well be worth posting in the MANY groups you posted it to but it should have been one post, (...) (23 years ago, 10-Mar-02, to lugnet.robotics)
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| | Re: Is the program running?
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|
"Barney Hilken" <barneyhilken@mac.com> wrote in message news:Gsq8J6.Ds9@lugnet.com... (...) There is no direct way to interrogate the RCX with standard firmware. However, it could be simply handled programmatically. Use a global variable to set a (...) (23 years ago, 10-Mar-02, to lugnet.robotics.rcx)
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| | Lafayette (Indiana) Area Lego Robotics Club
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We're proud to announce the formation of the Lafayette Area Lego Robotics Club in Lafayette, Indiana. The Lafayette Area LEGO Robotics Club is a group of people who meet once a month to discuss and build Lego robots and related subjects. We hope to (...) (23 years ago, 10-Mar-02, to lugnet.robotics)
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| | Fw: exponents, e^
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By all means use lejOS, but don't think that legOS is hard to get working on Windows. Max. ----- Original Message ----- From: "David Dubravetz" <david_dubravetz@hotmail.com> To: <lugnet.robotics.rcx...ugnet.com> Sent: Thursday, March 07, 2002 4:57 (...) (23 years ago, 9-Mar-02, to lugnet.robotics.rcx.legos)
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| | Is the program running?
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Does anyone know how to poll the RCX (with standard firmware 2.0) to find out whether a program has terminated yet? If you can see the LCD, you can see whether the little man is still moving, but can you check this from a host computer? The (...) (23 years ago, 9-Mar-02, to lugnet.robotics.rcx)
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| | Psion 5mx and pbForth
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|
I've mentioned my attempts to get a psion series 5 to talk to pbForth before. I've finally got it sorted enough to be useful. Anyone with a Psion Series 5mx machine (possibly a series 5 also) may like to look at (URL) It transfers firmware and text (...) (23 years ago, 9-Mar-02, to lugnet.robotics.rcx.pbforth)
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| | Re: Single acting pneumatics with spring return
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(...) True, but there is one notable difference, as others have pointed out before: When compressiong air, the pressure difference is limited only by implementation details. The pressure inside the tank usually is not just slightly higher than (...) (23 years ago, 7-Mar-02, to lugnet.technic, lugnet.robotics)
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| | New Book - Core Lego Mindstorms
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|
As some of you know I've been working on a Lego Mindstorms book for Java programmers. The official release date is March 15, 2002 so it seems like a good time to announce it. The intent of this book is to get Java programmers interested in Lego (...) (23 years ago, 9-Mar-02, to lugnet.announce, lugnet.robotics) !
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| | Re: RCX as a PGP engine
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(...) If you need floating point numbers the leJOS JVM for the RCX uses floating point: (URL) seems like a very intersting idea. I actually wanted to skip the RCX altogether and somehow link up a networking protocol using just the IR Towers. One (...) (23 years ago, 9-Mar-02, to lugnet.robotics.rcx.legos)
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| | Re: RCX as a PGP engine
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(...) It really isn't that limited when you consider other platforms that run full PK systems, such as the Dallas Semiconductor iButton. It has a much more limited processors, more limited RAM, and you write your code in Java so it has to be (...) (23 years ago, 9-Mar-02, to lugnet.robotics.rcx.legos)
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| | Re: RCX as a PGP engine
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(...) Excellent point, Benton Jackson e-mailed me with the following: (...) Good idea using a external sensor to seed some sort of random number generator function. However, the codebase for PGP is pretty darned large and after looking at the source (...) (23 years ago, 9-Mar-02, to lugnet.robotics.rcx.legos)
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| | Re: RCX as a PGP engine
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(...) The key word is a "good" generator. Random() is way too predictable to use in a crypto application. (23 years ago, 9-Mar-02, to lugnet.robotics.rcx.legos)
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| | Re: exponents, e^
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(...) Remote control and lejos: You can download a Java object to accept commands from the remote. Check out (URL) lejos. Roger (23 years ago, 9-Mar-02, to lugnet.robotics.rcx.legos)
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| | Re: NQC "No reply from RCX" Help Please
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|
Wow! Hey..thanks..that was it. I hadn't changed my batteries in any of my RCX since I got them. When I changed all of them a few weeks ago, I must have lost the firmware. I saw your name..and was like.."hmm where have I heard of you before" then I (...) (23 years ago, 9-Mar-02, to lugnet.robotics)
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| | Re: NQC "No reply from RCX" Help Please
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|
Is the firmware still installed on the RCX? When you turn it on if it just shows a single digit, then there isn't any firmware. With firmware loaded you should see something like "00.00!1" where ! is the LCD icon of a person. If firmware is not (...) (23 years ago, 9-Mar-02, to lugnet.robotics)
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| | Re: Deleting Programs
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(...) If you mean wiping the firmware, press ON and Prgm at the same time. If you want to delete individual programs, I've cooked up a little C code (on the PC side) to do that. It requires liblnp and lnpd. If you want, I'll post it or e-mail it to (...) (23 years ago, 9-Mar-02, to lugnet.robotics.rcx)
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| | Re: Makefile command to make *.map files
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I had a similar problem with the "sort" program apparently not functioning and then someone kindly looked at my error output and pointed out that I should make sure that the CYGWIN bin path was added to the FRONT of my path as declared in my (...) (23 years ago, 9-Mar-02, to lugnet.robotics.rcx.legos)
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| | Re: RCX as a PGP engine
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(...) Even if it needed FP, legOS supports that. (...) Well, maybe. Maybe not. legOS has a random() function, right? Once the TCP/IP patch is stable, why not use an RCX as an echo server with built in en/decryption? You could just telnet to it, type (...) (23 years ago, 9-Mar-02, to lugnet.robotics.rcx.legos)
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| | Re: BricxCC release 3.3.4.2
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(...) First, you are doing a great job! The support for pbForth is a good idea. And there is only one thing to make BricxCC better, if someone port it to Linux. Best Regards Joerg (23 years ago, 8-Mar-02, to lugnet.robotics.rcx)
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| | Re: Attention cygwin and windows users
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Quoting Ed Manlove (emanlove@ieee.org): (...) If we actually get to the point of doing another release (and thus finding a maintainer for the project, etc) maybe this is something we should consider integrating? Anyone else building on Cygwin and (...) (23 years ago, 8-Mar-02, to lugnet.robotics.rcx.legos)
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| | Attention cygwin and windows users
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For those using the cygwin tools under a windows OS as described in the article "LegOS 0.2.4 - Instructions for installing on NT/Win9x with Cygwin" you could be experiencing a conflict with dos and cygwin tools. In particular is you are following (...) (23 years ago, 8-Mar-02, to lugnet.robotics.rcx.legos)
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| | Re: Compile error when make demos
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Zhengrong, I know this is an old post but what was your setup for this build (OS,cygwin?, etc)? Ed (...) (23 years ago, 8-Mar-02, to lugnet.robotics.rcx.legos)
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| | Re: Makefile command to make *.map files
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For clarity I am running under Win98 using CYGWIN tools as outlined by the instructions "LegOS0.2.4 - Instructions for installing on NT/Win9x with Cygwin". I was looking for help on the sort command using $sort --help but I was getting a similar (...) (23 years ago, 8-Mar-02, to lugnet.robotics.rcx.legos)
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| | Re: Part 572 in UBS
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I see one reason for that: 1x1 Square Plates tend to turn and don't stay aligned. You don't have this problem with round pieces... Philo www.philohome.com (...) (23 years ago, 8-Mar-02, to lugnet.robotics)
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| | Re: Makefile command to make *.map files
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Quoting Ed Manlove (emanlove@ieee.org): (...) I can't speak for absolute certain about this, not being familiar with that part of the code, but sort -u is used to unique a list of strings. That is, if you pipe a file: spam spam spam eggs through (...) (23 years ago, 8-Mar-02, to lugnet.robotics.rcx.legos)
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| | Makefile command to make *.map files
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What is the sort command doing in the command to create *.map files within the Makefile.kernal? # how to make map files %.map: %.coff $(NM) $*.coff | sort -u > $*.map Doing my build I get the following error and the resulting map file has size zero. (...) (23 years ago, 8-Mar-02, to lugnet.robotics.rcx.legos)
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| | Part 572 in UBS
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Hi. I just received a Ultimate Builders Set today and I'm having a lot of fun with it. I have however a pair of questions that maybe someone could explain me. 1. There are four 'Technic Liftarm 1 x 9 (7 x 3)' (572) included (in very funny colors) (...) (23 years ago, 8-Mar-02, to lugnet.robotics)
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| | NQC "No reply from RCX" Help Please
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Ahhh..can someone please help me out here. I'm at my last straw with this problem. I'm Using: Bricxcc 3.3 NQC 2.4 a4 Windows 98 USB Tower from RIS 2.0 This has all worked about a month ago.. I haven't made any hardware changes to my system recently, (...) (23 years ago, 8-Mar-02, to lugnet.robotics)
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| | Re: Are these Robolab parts?
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(...) Thanks a lot! Now I at least know WHAT I have... too bad I can't use it. I have 2 sets, if anybody's interested, drop me a line at javanree@vanree.net and I'm sure we can work something out :) (23 years ago, 8-Mar-02, to lugnet.robotics.edu)
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| | Re: Are these Robolab parts?
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(...) Jan This comes from the original LEGO TC Logo materials (1980s) and was used as a counting wheel. You could use it as a rotation sensor by counting the number of seperations between black and white. It could also be used as an angle sensor. (...) (23 years ago, 8-Mar-02, to lugnet.robotics.edu)
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| | BricxCC release 3.3.4.2
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I've just released a new version of BricxCC. This release add support for downloading non-standard firmwares (such as pbForth). I've also added support for several languages other than NQC with user customizable syntax highlighting. These languages (...) (23 years ago, 7-Mar-02, to lugnet.robotics.rcx)
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| | Re: binutils?
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(...) It has several useful things in it, but the one most important for legOS is probably the linker, ld. ROSCO (23 years ago, 7-Mar-02, to lugnet.robotics.rcx.legos)
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| | binutils?
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when i first got legOS up and running i used rcx-egcs-1.1.2-1.i386 rcx-egcs-c++-1.1.2-1.i386 rcx-binutils-2.9.5.0.22-1.i386 i'm assuming the first two are the c and c++ compilers, however what is the function of the binutils? thanks (23 years ago, 7-Mar-02, to lugnet.robotics.rcx.legos)
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| | backing up programs
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Hi, I have a couple of RCX's and was wondering if anyone has done any work on a way to transfer a program from one rcx to another in the case of a battery failure, etc. instead of replacing the rcx in the robot with the other one. thanks (23 years ago, 7-Mar-02, to lugnet.robotics.rcx.legos)
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| | Re: exponents, e^
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i tried the lejos environment and found the exponent and trig functions worked very well. and they work with doubles. so if anyone is having trouble with using trig, log, exp functions in legOS, you might want to try lejos. plus it was easier to (...) (23 years ago, 7-Mar-02, to lugnet.robotics.rcx.legos)
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| | Problems RCX - Computer communication
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Hi, i'm trying to write a program that makes a Legoroboter able to navigate in different rooms / labyrints. For this the computer needs to know, when one of the touch-sensors is pressed. I use poll(9,x) for this. My problem is that the returned (...) (23 years ago, 7-Mar-02, to lugnet.robotics)
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| | Re: Single acting pneumatics with spring return
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(...) How coincidental, but it too struck me that we needed to backtrack as the thread was getting pretty muddled up. It seemed to me that we may not be working on the same assumptions. So here's the re-play... The post that you quoted (URL) in (...) (23 years ago, 7-Mar-02, to lugnet.technic, lugnet.robotics)
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| | Re: Firmware RIS2.0 Linux
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(...) That depends. If the .exe file is actually a self-extracting ZIP file, then "unzip" should be able to handle it, even on Linux. --Bill. (23 years ago, 7-Mar-02, to lugnet.robotics)
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| | Re: exponents, e^
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(...) Only one I can think of off-hand is support for the remote control, I've been thinking about looking at that if I can get some time (though it's still only a patch in legOS, have to do something about that, too). There may be others I don't (...) (23 years ago, 6-Mar-02, to lugnet.robotics.rcx.legos)
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| | Single acting pneumatics with spring return
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Hello again, I think I should have another go at this... I wanted to say "Check this out, I found an interesting application for the old pneumatic cylinders" What it came out sounding like was "Mr. Soh was wrong! Look at me prove him wrong!" Sorry (...) (23 years ago, 6-Mar-02, to lugnet.technic, lugnet.robotics)
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| | Re: LeJos threads / sleep() takes too long
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Hi Bart, (...) if you mean LISTENER_THREAD then that sounds plausible. (...) Yes, LISTENER_THREAD has maximum priority, so it runs before any threads of lower priority, even yield doesn't help. (...) Yes, I think we'll have to fix that somehow. (...) (23 years ago, 6-Mar-02, to lugnet.robotics.rcx.java)
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| | Re: ForthPad v0.9
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I'm re-posting this message at the lugnet.robotics.rcx level in case anyone missed it. I've put together a stand-alone application which I am calling ForthPad. It is a Windows executable which should run on any version of Windows from 95 on up. It (...) (23 years ago, 6-Mar-02, to lugnet.robotics.rcx)
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| | Re: ForthPad v0.9
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(...) The firmware downloader built into BricxCC is a port of Dave Baum's NQC code to Delphi. It calculates the checksum up to a length of 0x4C00. The limit of 0xCC00 is based on the sum of length + start (where start is = 0x800). John Hansen (23 years ago, 6-Mar-02, to lugnet.robotics.rcx.pbforth)
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| | Re: Pneumatics: the old and the new
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(...) And most other pneumatics systems do too, but its easier if you have a tank in which you have a high pressure (or a low pressure). (23 years ago, 6-Mar-02, to lugnet.technic, lugnet.robotics)
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| | Re: exponents, e^
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you know i was looking at lejos, java for RCX, and it seems to have exponents, trig, etc. functions built in. any advantages legOS has over lejos i don't know about. if not, i think i may give it a whirl.... -dave (...) (23 years ago, 6-Mar-02, to lugnet.robotics.rcx.legos)
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| | RE: ForthPad v0.9
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(...) Thanks John, I'll try this soon. You may want to post this to the next level higher to let other non-pbForthers see what you are up to. Does your alternative firmware loader take into account the limit at 0xCC00? If the replacement firmware (...) (23 years ago, 6-Mar-02, to lugnet.robotics.rcx.pbforth)
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| | Re: exponents, e^
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Dave I am working on a number of maths functions that includes loge log10 expe and exp10 x^y as well as trig functions. As you note it requires the specification of the mantassa and exponent desciption of the float variable for the RCX. Usually this (...) (23 years ago, 6-Mar-02, to lugnet.robotics.rcx.legos)
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| | LeJos threads / sleep() takes too long
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Experimenting with Lejos, two 'major' problems: memory (cleaning up platform & lang: Math.class is huge!) and... threads. I have the impression my "try { sleep(nnn) }" takes a somewhat arbitrary time. It's 'at least' nnn milisec, but often much (...) (23 years ago, 6-Mar-02, to lugnet.robotics.rcx.java)
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| | Re: Pneumatics: the old and the new
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(...) Hey, don't blame me if it should fall off though ;-) Speaking of wall climbing robots, does anyone have or seen one of these 4-legged Climb@Tron creatures shown at (URL) look kinda cute especially Vertibug. And at $14.95 each, they're a lot (...) (23 years ago, 6-Mar-02, to lugnet.technic, lugnet.robotics)
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| | Re: Pneumatics: the old and the new
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(...) Hi, those who have the old pneumatics and a couple of the blue air tanks may want to try the experimental setup at (URL) it! And I suspect the window walker critter would still work without the air tanks :-) (23 years ago, 6-Mar-02, to lugnet.technic, lugnet.robotics)
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