 | | LEGO MINDSTORMS: Robotics Invention System 2.0
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Hi Folks, After trying to get RIS 1.5 (that works on Win 95) and failing, I now want to get an RIS 2.0 system but would like to know if 2.0 works with Win 2000 ? Thanks, Harpreet ======== (23 years ago, 17-Jun-02, to lugnet.robotics.rcx)
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| | Re: RCX underwater
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(...) I remember seeing an ad in some Oceanography magazine for a LEGO submarine that used the RCX in a sealed housing. From the diagram (line drawing) it looked like it used different motors. I also remember someone using a submerged 9 volt geared (...) (23 years ago, 17-Jun-02, to lugnet.robotics)
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| | Re: intro and question
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(...) Robolab is a wonderful tool for working with the RCX. I agree that the interface is unusual, but it accurately reflects the way that National Instruments (creator of LabView, the father of Robolab) views the world. They see everything as a (...) (23 years ago, 17-Jun-02, to lugnet.robotics)
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| | Re: N. California Sites/Events?
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Hi Wayne, The northern California hotbed of LEGO activity is the Bay Area-- BayLug actually meets fairly regularly (I think down in Fremont). Otherwise it is pretty dead up here, although a while back someone from the Reno area was looking for (...) (23 years ago, 17-Jun-02, to lugnet.robotics, lugnet.loc.us.ca, lugnet.loc.us.ca.sf, lugnet.loc.us.ca.sac, lugnet.loc.us.nv.ren)
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| | Re: Linux, Cygwin, DJGPP: what is it all about?
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Wow. Michael, this helps a lot. Thanks. But now I have some other questions... (...) Yes, that makes sense. But having the LegOS image would save the "Beginning LegOS User" from needing to learn how to build that stuff, when that knowledge (how to (...) (23 years ago, 17-Jun-02, to lugnet.robotics.rcx.legos)
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| | RCX underwater
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While searching around recently for information on ROBOLAB I found this URL that lists available products for purchase. One that caught my eye was a case, called waterproof housing, to use the RCX underwater (it is the last item at the bottom of the (...) (23 years ago, 17-Jun-02, to lugnet.robotics)
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| | re: intro and question
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Thanks to all those who replied. I think the consensus is to move forward with the NQC. I am relieved that there is a GUI for it and will look into this. Steve - as for your point about there being easier ways to learn how to program, this is no (...) (23 years ago, 17-Jun-02, to lugnet.robotics)
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| | Linux, Cygwin, DJGPP: what is it all about?
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Ok, lets try to fiddle some things out. There seems to be a confusion about the software needed for running legOS and why. And there seems to be some confusion about what cygwin and DJGPP are. legOS runs user programs written in C and compiled to (...) (23 years ago, 17-Jun-02, to lugnet.robotics.rcx.legos)
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| | Re: N. California Sites/Events?
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Thanks. I'm new to this game. I'm aware of bricklink but my initial take is that one needs to search their list on the home page for a dealer and then order through them. Maybe this isn't true. Maybe one just orders on bricklink and a dealer (...) (23 years ago, 17-Jun-02, to lugnet.robotics)
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| | Re: Transmit Frequency
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Perhaps this link will help you: (URL) is a detailed description in the tips & tricks section. It shows how to change the frequency. The description is also available in english. Greetings, Bart (23 years ago, 17-Jun-02, to lugnet.robotics.cybermaster)
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| | Re: N. California Sites/Events?
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Hi Wayne, I do not know of any events in that area, but I wanted to tell you that I have had great luck with (URL) for misc. pieces. Since you order the parts directly from the individual stores/storeowners, it doesn't really matter where you are (...) (23 years ago, 17-Jun-02, to lugnet.robotics)
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| | Re: GUI for legOS
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Is DJGPP easier to use from DOS (Windows)? Can CygWin be executed from a command line? When I set up my PC with LegOS (about a year ago) I installed DJGPP (with the help of a Unix friend), and I've been very happy with it. Recently, I just set-up a (...) (23 years ago, 17-Jun-02, to lugnet.robotics.rcx.legos)
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| | Re: intro and question
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(...) There's been enough research to suggest that Forth is an excellent first language that I would disagree. As a second or third language, there's much more to unlearn. -- Matt (23 years ago, 17-Jun-02, to lugnet.robotics)
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| | RE: intro and question
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I wondered why they included NQC in the Ada/Mindstorms distribution so I d/led all 26MB or so and tried it out. In turns out that they compile the ADA code into NQC code. They they run NQC over that to produce code which runs on the RCX. It offers a (...) (23 years ago, 17-Jun-02, to lugnet.robotics)
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| | Re: GUI for legOS
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Steve, Could you share a little more about what you have done with the Visual Studio setup? Thanks! Ed Steve Hassenplug <hassenplug@mail.com> wrote in message news:20020615231547....ail.com... (...) writing programs with LegOS. (...) (23 years ago, 17-Jun-02, to lugnet.robotics.rcx.legos)
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| | Re: GUI for legOS
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Michael, What I am hearing here and have heard in the past, along with my own personal experience, is that developing for legOS under Windows and more specific cygwin can be or is a pretty difficult task. Compounded on top of that is if you have (...) (23 years ago, 17-Jun-02, to lugnet.robotics.rcx.legos)
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| | N. California Sites/Events?
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Are there any Lego events going on in N. Calif. in the next month? Are there any used part sources in this area? I'd like to pick up some misc. bricks for RIS 2.0. -- Wayne T. Watson (121.015 Deg. W, 39.262 Deg. N, 2,701 feet), Nevada City, CA Crop (...) (23 years ago, 17-Jun-02, to lugnet.robotics)
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| | Re: red universal joint
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(...) (URL) and (URL) (23 years ago, 17-Jun-02, to lugnet.robotics)
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| | L-Rex Escapes
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I have just finished L-Rex a new biped that I have created using technic/mindstorms check out www.lbrick.com (in the projects section) for more information/pictures and feel free to let me know what you think. (23 years ago, 17-Jun-02, to lugnet.robotics, lugnet.technic)
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| | red universal joint
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This is totally out of the blue (or the grey, or something like that). Several months ago, there was a discussion in this group about the different types of universal joints LEGO has made. One person claimed to have seen a red universal joint in a (...) (23 years ago, 17-Jun-02, to lugnet.robotics)
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| | Kronos
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Any fellow bot-builders working at Kronos, Inc., in Chelmsford, Massachusetts, USA? Just curious, as I start in the Engineering building tomorrow. Doug Wilcox 30 George Street Brockton, MA 02302 508-584-6853 508-284-4408 cell (23 years ago, 16-Jun-02, to lugnet.robotics)
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| | Re: intro and question
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(...) Forth was my second language (after Basic). The hours I spent at user group lectures sweating the fine points of stack management and memory allocation were a fabulous preparation for programming. If you survive the experience, that is. You (...) (23 years ago, 17-Jun-02, to lugnet.robotics)
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| | Re: intro and question
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(...) You change a bit, ask questions, re-write the code to solve the problem differently. Then go back and figure out what conceptual mistake was made the first time through. This is EXACTLY the same process you go through on a PC. (...) By trying (...) (23 years ago, 17-Jun-02, to lugnet.robotics)
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| | Re: intro and question
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(...) It's a fine language as long as the potential user understands how to use dual-stack based languages/systems (ie TIL's). I suggest folks who want to learn Forth get themselves a good grounding in RPN. From there it's the same old same old with (...) (23 years ago, 17-Jun-02, to lugnet.robotics)
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| | Re: intro and question
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(...) The problem with learning on an embedded system is not *what* you have to learn - its *how* you have to learn it. If you make any of a dozen basic programming mistakes on an RCX, what's going to happen? Well, maybe a motor will turn on when it (...) (23 years ago, 17-Jun-02, to lugnet.robotics)
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| | Re: intro and question
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(...) Forth isn't by any stretch of the imagination a good language to learn as your *first* language - although it *is* pretty cool for writing embedded system software on teeny-tiny processors once you grok the whole programming thing. ---...--- (...) (23 years ago, 17-Jun-02, to lugnet.robotics)
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| | Re: intro and question
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(...) The paper you refer to cites two basic reasons why he considers NQC difficult for novices: poor error messages and a command line interface. The first criticism is true, and probably not going to be remedied anytime soon. Most people get the (...) (23 years ago, 17-Jun-02, to lugnet.robotics)
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| | RE: Displaying info while debugging
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Mario (and all other pbForth users - both of you :-) I'm very happy to include ANY contributions that you may have in the source archive. Even if I don't update the actual core, I still add useful scripts to the distribution all the time. Any (...) (23 years ago, 17-Jun-02, to lugnet.robotics.rcx.pbforth)
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| | Re: Terminal Emulator
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(...) saving the system (SAVESYS) and I would like to test it with another Terminal Emulator. Thanks Mario (23 years ago, 16-Jun-02, to lugnet.robotics.rcx.pbforth)
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| | Re: Displaying info while debugging
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(...) I agree that the core should be kept small, I'm sorry for not thinking this through all the way. Please do post the definitions on this message board so we can all benefit from your work. I will do the same. (...) No ignorance on your part, a (...) (23 years ago, 16-Jun-02, to lugnet.robotics.rcx.pbforth)
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| | Re: Terminal Emulator
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Ralph Hempel has one written in Tcl that be downloaded from his web site: (URL) noticed that there is also a c.l.f. newsgroup message titled 'Small terminal emulator' that is asking for the same thing to be written in a public domain Forth. This (...) (23 years ago, 16-Jun-02, to lugnet.robotics.rcx.pbforth)
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| | Re: Displaying info while debugging
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Hi David, If I can come up with anything usefull, I could post the source code here or send it to you by e-mail. Again, I think it's best that M. Hempel keeps the core small and that we add extensions to that core. Excuse my ignorance, but what is (...) (23 years ago, 16-Jun-02, to lugnet.robotics.rcx.pbforth)
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| | Re: Displaying info while debugging
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I agree that pbForth is GREAT! Hopefully you're forwarding all your debugging words to Mr. Hempel. I noticed on the c.l.f. newsgroup in a message called 'Small terminal emulator' that Lionel Rogers is writing an introduction to programming book (...) (23 years ago, 16-Jun-02, to lugnet.robotics.rcx.pbforth)
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| | RE: intro and question
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Hello Laura, For ease-of-use and easy-to-learn I would rethink the Robolab decision. Robolab 2.5 does support the USB tower and its highest levels has some very powerful language capabilities. In Robolab 2.5 under ""Investigator Palette for Compute (...) (23 years ago, 16-Jun-02, to lugnet.robotics)
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| | Kronos
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Any fellow 'bot-builders working at Kronos, Inc., in Chelmsford, Massachusetts, USA? Just curious, as I start in the Engineering building tomorrow. Doug Wilcox 30 George Street Brockton, MA 02302 508-584-6853 508-284-4408 cell (23 years ago, 16-Jun-02, to lugnet.robotics)
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| | Re: intro and question
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It's been quite a while since I've posted (dagnabbit, it's been too long since I've built any robots), but I tackled the same issues in my earlier programming days. I tackled JavaScript and NQC at the same time. I found that they were very (...) (23 years ago, 16-Jun-02, to lugnet.robotics)
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| | Re: intro and question
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Try Gordon's brick programmer. It's an interesting halfway house between Lego's graphical but rather limited offering and an actual written language like NQC. It's a free download, I just don't remember where it comes from at the moment. Maybe (...) (23 years ago, 16-Jun-02, to lugnet.robotics)
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| | Re: intro and question
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(...) I have to disagree strongly. Learning to program is hard, irrespective of the system. Whether the system is embedded or not doesn't effect the control structures, data structures, and algorithms that a programmer must learn. I learned on a (...) (23 years ago, 16-Jun-02, to lugnet.robotics)
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| | Re: intro and question
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(...) Well, without doubt the most popular programming language for RCX (apart of the original Lego software) is NQC. It's easiest to use and most commonly seen - which means there are the most people out there to help you. However, if you really (...) (23 years ago, 16-Jun-02, to lugnet.robotics)
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| | RE: intro and question
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(...) Which is funny, because I read the webpage and it turns out you need to download 23MB of stuff and it ends up installing NQC on your system... (...) If you're a beginning programmer, I'd go with NQC for the simple reason that there are lots of (...) (23 years ago, 16-Jun-02, to lugnet.robotics)
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| | Install for legOS
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Hey All, I've talked with several people about this. First, a quick generalization: IMHO, there are two types of LegOS users: 1) Unix/Linux programmers who use LegOS as another platform for development, and don’t really care about building robots. (...) (23 years ago, 16-Jun-02, to lugnet.robotics.rcx.legos)
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| | intro and question
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Hello everyone! I have been semi-lurking on the list for a few months, with the occasional post. I have only recently gotten into Mindstorms and wanted to ask about moving on to another language to program the RCX with. I have no programming skills (...) (23 years ago, 16-Jun-02, to lugnet.robotics)
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| | Re: **** legOS new name poll starts now ****
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BrickOS? As in MIT's Brick project... Regards, Bill ___...___ William Sequeira, Ph.D. -- Principal, Axon Hillock, Inc. (...) (23 years ago, 16-Jun-02, to lugnet.robotics.rcx.legos)
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| | Re: GUI for legOS
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(...) I'm running legOS from Linux, so I don't know Ultraedit. But if its suitable for your needs and free it seems to be a good choice. Regards, Michael (23 years ago, 16-Jun-02, to lugnet.robotics.rcx.legos)
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| | Re: GUI for legOS
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I didn't want to have to write my programs for LegOS and then type a ton of commands only to find that I made a mistake. So I downloaded UltraEdit-32 9. It allows unix type file to be saved (This will replace the carriage return and line feed (...) (23 years ago, 16-Jun-02, to lugnet.robotics.rcx.legos)
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| | Re: GUI for legOS
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Hello David, (...) What would it help? (...) Have you ever tried legOS? First, if you are running legOS from Linux, you don't need cygwin and that kind of things. They are only needed to resemble a UNIX enviroment under DOS. And the UNIX system is (...) (23 years ago, 16-Jun-02, to lugnet.robotics.rcx.legos)
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| | Re: **** legOS new name poll starts now ****
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(...) That is why we search for a new name. The LEGO group said that they don't like legOS and all possible deviations. If you look on the official mindstorms webpage, legOS is not mentioned. On the other hand, they where so kind only to ask for a (...) (23 years ago, 16-Jun-02, to lugnet.robotics.rcx.legos)
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| | Re: **** legOS new name poll starts now ****
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(...) I'm wondering, has anyone asked LEGO for permission to continue calling it 'legOS' (emphasizing the unique capitalization)? What was the response? -- David Schilling (23 years ago, 16-Jun-02, to lugnet.robotics.rcx.legos)
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| | Re: GUI for legOS
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(...) It really WOULD be nice if someone created a simplified way of getting up and running for legOS, even if it didn't actually contain a GUI interface for programming (though I by no means would discourage someone from providing THAT as well!) or (...) (23 years ago, 16-Jun-02, to lugnet.robotics.rcx.legos)
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| | Re: Displaying info while debugging
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(...) Hi Ralph, You may be right because if I insert KEY somewhere in the loop, it displays the information at each pass in the loop. (...) Otherwise, I like pbForth a lot. I'm still learning the particularities of this implementation (what's in, (...) (23 years ago, 15-Jun-02, to lugnet.robotics.rcx.pbforth)
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| | Re: GUI for legOS
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There isn't a GUI for LegOS. I have my Visual Studio set up to do all the stuff I need to do when writing programs with LegOS. Steve ----- Original Message ----- From: "scott davis" <rcxman2@msn.com> Date: Sat, 15 Jun 2002 18:02:42 GMT To: (...) (23 years ago, 15-Jun-02, to lugnet.robotics.rcx.legos)
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| | RE: Displaying info while debugging
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Yes, rcxTcl is probably looking at the data coming in on the IR and buffering it until there is a pause. I'll check it out this week and send out an update if I can.... How are you making out otherwise with pbForth? Cheers, Ralph (...) (23 years ago, 15-Jun-02, to lugnet.robotics.rcx.pbforth)
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| | Re: Displaying info while debugging
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Ralph, Coult it be that the console (RcxTcl) does that (and not pbForth)? Thanks Mario (...) (23 years ago, 15-Jun-02, to lugnet.robotics.rcx.pbforth)
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| | Re: MinuteTimer and currentTimeMillis()
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(...) An int, 4 bytes. (...) That's right. (...) I think a complete cycle will take 49.7 days, as you have to get through the negative values, too. But I bet nobody has yet tried it. (Somewhat like the MSWindows sure crash a while ago :-) (...) No, (...) (23 years ago, 15-Jun-02, to lugnet.robotics.rcx.java)
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| | GUI for legOS
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Is there a GUI for legOS like Bricx CC for NQC? If there is, is it easier to use and do you lose features useing it? Thanx scott (23 years ago, 15-Jun-02, to lugnet.robotics.rcx.legos)
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| | Compass or Gyro
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I am building a six legged robot to emulate an ant, and I need a good way to tell what direction it is facing. I am using a Handy Board with an extension board, and I don't want to spend too much. I have looked at compasses and gyros, but I am not (...) (23 years ago, 15-Jun-02, to lugnet.robotics)
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| | MinuteTimer and currentTimeMillis()
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I am writing a class which can be set with the actual time and then provide the value to other classes. It only has to be accurate to the minute. I've done this in NQC, but am trying to figure out how to do it using Lejos. If currentTimeMillis() is (...) (23 years ago, 15-Jun-02, to lugnet.robotics.rcx.java)
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| | Re: Lasers, et al...
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You'll find what you look for here : (URL) Also, has anyone built a homebrew sensor that uses a slotted wheel (...) (23 years ago, 15-Jun-02, to lugnet.robotics)
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| | Re: RCX Code Documentation and FLL Coaches Training
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Dean, I'd be glad to volunteer to be a teacher reviewer for your documentation. I teach Robotics in the Classroom a class for teachers at WSU. The Help menu within RCX 2.0 explains each code block and gives an example of its use. I found this (...) (23 years ago, 15-Jun-02, to lugnet.robotics.rcx.robolab)
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| | Re: I^2C bus with LEGO Mindstorms
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(...) You can get one or two signals per second. I tested it with the knight rider test tool from the same Elektuur project and with the 4 digit led display. This is a very old project from Elektuur ... the serial number is 920004-11 ... I think ist (...) (23 years ago, 15-Jun-02, to lugnet.robotics.rcx)
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| | Re: I^2C bus with LEGO Mindstorms
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Hi Jan, I tested it and it's veeeeery slooo...oooww. Elektuur writes that the interface could be an extention of the RCX for more sensors you may use for your roboter. The software is written for NQC and uses some sensor functions to realize the i2c (...) (23 years ago, 15-Jun-02, to lugnet.robotics.rcx)
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| | Re: LEGO cuts the price of the RCX Brick
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"Todd Lehman" <todd@lugnet.com> schreef in bericht news:GxptxE.CA5@lugnet.com... (...) overcompensate -- (...) If the LEGO US 110v adapter is similair to the Europe 220v adapter in terms of output : it outputs around 9.2-11.4v AC (note the AC, DC (...) (23 years ago, 14-Jun-02, to lugnet.robotics.rcx)
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| | I^2C bus with LEGO Mindstorms
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The dutch electronics magazine Elektuur posted an article 2 months ago about making an I^2C interface for the RCX. You can download PCB layout and software at (URL) partslist is at (URL) gonna try to lend a copy from the library and scan it... this (...) (23 years ago, 14-Jun-02, to lugnet.robotics.rcx)
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| | Re: Navigation using landmarks (Was: Re: lasers and RCX)
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(...) I looked into several patterns. What would be ideal would be something which you could drive across along any straightline path and get back your direction and position from the pattern of dark and light. It seems rather unlikely that such a (...) (23 years ago, 14-Jun-02, to lugnet.robotics)
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| | Re: LEGO cuts the price of the RCX Brick
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(...) Um, are you asking about the power adapter that you might take off the 9V train regulator, for example? My expectation is that this item being discounted is the brick only, and the brick takes in power at its input plug but does not come with (...) (23 years ago, 14-Jun-02, to lugnet.robotics.rcx)
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| | Re: LEGO cuts the price of the RCX Brick
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(...) Hallelujah! (...) A couple questions for someone with a multimeter: Does the 1.0 power adapter output a clean 9v DC? Or does it overcompensate -- at, say, 9.3v -- like other cheap wall adapters? Does the voltage drop by more than 1% while (...) (23 years ago, 14-Jun-02, to lugnet.robotics.rcx)
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| | Can the handyboard IR communicate with the RCX?
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Hi, can the handyboard IR communicate with the RCX? Or have somebody a schematic for a RCX compatible IR transeiver?? Thanks for help Bert Weber (23 years ago, 14-Jun-02, to lugnet.robotics)
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| | Re: LEGO cuts the price of the RCX Brick
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(...) The RCX Bricks on sale are the 1.0 version. I think that they are just geting rid of them to make space in their warehouses for other lego sets. The only diffference is 1.0 have a plug so you can use an adapter and use your outlets instead of (...) (23 years ago, 14-Jun-02, to lugnet.robotics.rcx)
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| | Re: Cheap RCX bricks at S@H
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The RIS 1.5 for $99.00 sold out on Tuesday this week. I actually saw a "Sold Out" image of them on the Web Specials section...now they aren't even listed. Jona ----- Original Message ----- From: "Wayne Watson" <mtnviews@earthlink.net> To: (...) (23 years ago, 14-Jun-02, to lugnet.robotics)
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| | Re: Navigation using landmarks (Was: Re: lasers and RCX)
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Hi, Steve I thought about most of your solutions (sphere, bycicle and 3 mirrors). Unfortunatelly I came to the same conclusions. The funny part is that my alternative nav system was very similar to yours. But it was based on a line, not a ? shape. (...) (23 years ago, 14-Jun-02, to lugnet.robotics)
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| | Re: Cheap RCX bricks at S@H
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I found the RCX under web specials, but didn't see the RIS 1.5 (...) ... snip (...) -- Wayne T. Watson (121.015 Deg. W, 39.262 Deg. N, 2,701 feet), Nevada City, CA Web Page: <home.earthlink.net/~mtnviews> Imaginarium Museum: (...) (23 years ago, 14-Jun-02, to lugnet.robotics)
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| | Re: RCX Code Documentation and FLL Coaches Training
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Hi Dean, (...) With your code on screen, press <print screen> key - this will put screen contents in clipboard. Press <Alt><Esc> to iconize Lego Software Start Paint (or a better image software) and paste clipboard in a new document. Now the real (...) (23 years ago, 14-Jun-02, to lugnet.robotics.rcx.robolab)
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| | RCX Code Documentation and FLL Coaches Training
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First off I want to thank everyone for their help and guidance on my FLL Coaches Training class. The Mechanics class documentation is mostly done now. I'm having a few of my engineer friends review it for techical errors. A teacher review follows (...) (23 years ago, 14-Jun-02, to lugnet.robotics.rcx.robolab)
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| | Re: LEGO cuts the price of the RCX Brick
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"Tonya Witherspoon" <tonya.witherspoon@wichita.edu> schreef in bericht news:GxoCuM.8DB@lugnet.com... (...) $59.99. (...) (URL) (...) out (...) It's only for north-America... in Europe prices are still the same :( -- Jan-Albert "Anvil" van Ree | (...) (23 years ago, 14-Jun-02, to lugnet.robotics.rcx)
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| | Re: Scheduler patch
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Well, actually not :) If users don't want proportional timeslicing the patch is completly useless, but if they do, it might be usefull. /Joel (...) (23 years ago, 14-Jun-02, to lugnet.robotics.rcx.legos)
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| | Re: Scheduler patch
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(...) Do you have some examples where your patch could be useful? Eric (23 years ago, 14-Jun-02, to lugnet.robotics.rcx.legos)
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| | Re: Scheduler patch
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Joe I'm happy you found my patch quite interesting! I, just as you, think the kernel could be simplified quite alot. Actually my goal was initially to reduce size and overhead but I when I decided to add proportional timeslicing the goal changed. (...) (23 years ago, 14-Jun-02, to lugnet.robotics.rcx.legos)
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| | Re: Scheduler patch
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Joel, I have found your work to be quite interesting! I made quite a few modifications in the kernel starting with ver 0.2.5 and had hoped to have some of the modifications included in ver 0.2.7 My goal was to reduce size and overhead which is quite (...) (23 years ago, 14-Jun-02, to lugnet.robotics.rcx.legos)
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| | LEGO cuts the price of the RCX Brick
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On the Lego website the price for an RCX has been cut from $119.00 to $59.99. (URL) the great price - what's up with the RCX? Is LEGO about to roll out a new RCX? Has anyone heard anything? Tonya Witherspoon (23 years ago, 14-Jun-02, to lugnet.robotics.rcx)
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| | RE: Transmit Frequency
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Hi Jürgen :) (...) No, it's a part that you can rotate with a screwdriver. I'm used to see these on radios or walkie-talkies ou even on tv-tuners Maybe I'm wrong, and that part has nothing to do with the RF of the unit. I dunno if this changes the (...) (23 years ago, 13-Jun-02, to lugnet.robotics.cybermaster)
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| | Re: Transmit Frequency
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Hi Marco, (...) there are several frequencies in the 27MHz band. (...) Probably a quartz. (...) You should buy two quartz for the exact same frequency in the 27MHz band, then it should be ok. (...) No, I have only one unit. Jürgen (23 years ago, 13-Jun-02, to lugnet.robotics.cybermaster)
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| | RE: Transmit Frequency
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(...) Mine's also 27MHz. By the way, has anyone tried to alter this freq ? I had the opportunity to get my hands on a Cybermaster with a stuck motor. After opening it up, I saw the part (don't know the correct name of the component) where the (...) (23 years ago, 13-Jun-02, to lugnet.robotics.cybermaster)
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| | Scheduler patch
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Hello! I've been doing some changes to the legOS scheduler. Now execution-time of user tasks are proportional to priorities. See (URL) are made to legOS 0.2.6 and I didn't manage to get a working diff file, so just download the following files and (...) (23 years ago, 13-Jun-02, to lugnet.robotics.rcx.legos)
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| | Re: seting up legos 0.2.6
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"Ed Manlove" <emanlove@ieee.org> wrote: <snip> (...) When you install from the net, setup.exe actually still d/loads and saves files locally, in a subdirectory with a long funny name (containing the name of the host you d/load from) in your "package (...) (23 years ago, 12-Jun-02, to lugnet.robotics.rcx.legos)
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| | Lasers, et al...
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Thanks for all of your replies. I guess my main intent was to make sure I wasn't going to fry my light sensor by pointing a laser at it. I'm assuming laser pointer strength beams aren't powerful enough to harm the sensor. All of the links have been (...) (23 years ago, 12-Jun-02, to lugnet.robotics)
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| | Re: USB Tower support for linux
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(...) Lack of time. But everybody is welcome to work on it. (...) No problem, the bricks are identical for all practical purposes (actually that's what I do all the time). Jürgen (23 years ago, 12-Jun-02, to lugnet.robotics.rcx.legos)
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| | RE: Navigation using landmarks (Was: Re: lasers and RCX)
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Probably what you need is a corner cube reflector. Light 'in' is always reflected back along the same path. Basically take three square mirrors and place them at 90degrees to each other (reflective sides in), like three sides of a cube. (...) (23 years ago, 12-Jun-02, to lugnet.robotics)
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| | Re: Check this out
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(...) That's exactly what it did last time, got down to -3 or -4 days and was then reset to +5 days. I did watch the last few minutes of the countdown last time (was late afternoon here in Aus, IIRC), and kept checking back every day at my almost 7 (...) (23 years ago, 12-Jun-02, to lugnet.robotics)
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| | USB Tower support for linux
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Hi all, Does anybody know why legoUSB effort is inactive since 09 January of 2002.I have a RCX2.0 brick and I would like to try with the legos. I'm not interested in any MS Windows host development platform solution while I find linux alternatives (...) (23 years ago, 12-Jun-02, to lugnet.robotics.rcx.legos)
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| | custom using the USB-tower via Robolab
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Hi Robolab specialists, We've set up a simple multi-RCX communication system based on Robolab 2.5 and the RS232 tower. Now we try to operate the same through the new USB-tower, which has the advantage that it may always receive information from the (...) (23 years ago, 12-Jun-02, to lugnet.robotics)
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| | Navigation using landmarks (Was: Re: lasers and RCX)
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(...) I've played quite a bit with this kind of problem (although I put the reflector on the robot and the laser in the corner of the room - but that's another story). What's needed is a "RetroReflector" - which is to say, an object that always (...) (23 years ago, 11-Jun-02, to lugnet.robotics)
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| | Re: Check this out
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(...) Come and gone.. Back to -1 days and counting down from 23 hours again.. What an anti climax! Regards, Ed. (23 years ago, 12-Jun-02, to lugnet.robotics)
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| | Re: lasers and RCX
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Hi, Dan I remember that thread. But I don't remember anything concrete about that. I started a small project of mine at the time based on that. I have an sugestion for you. Focus on the problem, not the solution. What do you want to do exactly? (...) (23 years ago, 9-Jun-02, to lugnet.robotics)
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| | Re: Check this out
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No idea but I feel like watching it hit the end. (About 15 minutes left to go at this point) It appears to be heading for Midnight EDT. -- Baha Baydar bbaydar@hfx.eastlink.ca ----- Original Message ----- From: "Rob Hendrix" <rmhendrix@hotmail.com> (...) (23 years ago, 12-Jun-02, to lugnet.robotics)
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| | Re: Check this out
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(...) OK. The counter is less than 1 hour from countdown completion. I wonder whats going to happen? * Product release? * Online playable game? * New features on Lego.com featuring Spybotics? * Availability on LS@H? What's your prediction? -Rob (23 years ago, 12-Jun-02, to lugnet.robotics)
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| | RCX <--> Pocket PC Communication
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Has anyone tried to communicate with the RCX using a pocket pc? If you have, I would like to know how. (23 years ago, 11-Jun-02, to lugnet.robotics.rcx)
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| | Re: 8466
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I have two of these sets. They're absolutely great. The local Costco had them for $50 CDN just before Christmas. I wish I'd had more money at the time. There are at least one up for bid on eBay currently ( (URL) ) if you want one cheaper. The RCX (...) (23 years ago, 11-Jun-02, to lugnet.robotics)
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| | Re: seting up legos 0.2.6
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Scott, I only downloaded the ones listed and got it running for the most part. I did come across a few errors which seemed to be easily solved by downloading one or two packages other packages. But I am not sure if it was just user error as compared (...) (23 years ago, 11-Jun-02, to lugnet.robotics.rcx.legos)
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| | Re: seting up legos 0.2.6
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(...) Full setup of cygwin = very large You certainly need not get the XFree86 and texmf packages unless you are interested. Max. (23 years ago, 11-Jun-02, to lugnet.robotics.rcx.legos)
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| | BrickFest 2002 reminder
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This is a quick reminder that the initial registration deadline is rapidly approaching. If you haven't made up your mind yet, now's the time! BrickFest 2002 will be even better this year with lots of Technic and Mindstorms related activities going (...) (23 years ago, 11-Jun-02, to lugnet.technic, lugnet.robotics)
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