 | | Re: sys_time (long post)
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Mark, Excellent Post ! Ok, I will admit it; I was the one that put the sys_time handler on the NMI. 8-) I guess I will want to think about this a bit; but I see that you have done a good bit of that yourself. ... Could the 'Get' function do the (...) (23 years ago, 12-Dec-02, to lugnet.robotics.rcx.legos)
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| | Re: Hammer Help
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I need help in designing a motor-driven hammer for my RCX Tank Base Two. The hammer should be forced down to create a greater impact than that as if it were simply dropped. The hammer should have a length of about 28 studs from its point of rotation (...) (23 years ago, 13-Dec-02, to lugnet.technic, lugnet.robotics)
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| | Working motorized focus for Vision Command
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I have always thought that LEGO should have built the Vision Command camera housing such that the focus could be motorized. I know I'm not the only one ... In this thread, Bob Fay (of LEGO milling machine fame) suggests using half of a large Technic (...) (23 years ago, 13-Dec-02, to lugnet.robotics)
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| | Re: Win98 cygwin USB installation
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Hi Collin, This post by John Hansen fixed things for me: (URL) Spencer" <cspencer@andrew.cmu.edu> wrote in message news:H71CzB.Ipu@lugnet.com... (...) USB (...) them or (...) to (...) the (...) the (...) USB (...) that (...) the (...) (23 years ago, 13-Dec-02, to lugnet.robotics.rcx.legos)
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| | Re: Win98 cygwin USB installation
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Ok, I think I figured it out...I don't completely understand the logistics of makefiles, but I changed the following line in Makefile.common: Before: CFLAGS = -O2 -Wall After: CFLAGS += -O2 -Wall I suspect that a later assignment to CFLAGS was (...) (23 years ago, 13-Dec-02, to lugnet.robotics.rcx.legos)
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| | Win98 cygwin USB installation
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Hello, I recently bought the LEGO mindstorms Invention System kit and I am trying to get brickOS v0.2.6 working on my PC (Win98). I also have the USB tower. So far, I have found 4 bugs in the current script. I was able to fix 3 them or work around (...) (23 years ago, 13-Dec-02, to lugnet.robotics.rcx.legos)
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| | Re: RIS 1.5 85 at UK S@H
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In message <H64qy2.A44@lugnet.com>, Tim Auton <tim.lugnet@uton.org> writes (...) I can confirm Non UK European RIS 1.5 is still available for 85 quid. I ordered one today. (23 years ago, 13-Dec-02, to lugnet.robotics)
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| | Re: BrickOS Threading...
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The motor handler is only called once ever 2ms in the latest version of BrickOS (as opposed to every 1ms in earlier versions). This is a fairly recent change and it could be causing a "granularity" type problem with certain speed settings in your (...) (23 years ago, 12-Dec-02, to lugnet.robotics.rcx.legos)
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| | BrickOS Threading...
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I'm having a problem, and I hope someone can help me. I've been running winLegOS, and I've switched to the latest version of BrickOS. I created a way to control the motors, which will reliably speed them up, and slow them down by using different (...) (23 years ago, 12-Dec-02, to lugnet.robotics.rcx.legos)
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| | sys_time (long post)
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As I was poking around in the BrickOS kernel, it occurred to me that using the sys_time variable isn't entirely safe. Since sys_time is 32-bits and the processor can only read 16-bits at a time into a register, there is a period of time between the (...) (23 years ago, 12-Dec-02, to lugnet.robotics.rcx.legos)
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| | Re: Cygwin under Virtual PC on OS X
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(...) David, I was not sure how you tried to build the cross compiler but I know that Apple provides several gnu tools that work under Darwin. Darwin from my understanding is the underlying code for the Mac OS X (See FAQ at (URL) So one might be (...) (23 years ago, 12-Dec-02, to lugnet.robotics.rcx.legos)
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| | Re: Hammer Help
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What problems are you having? (...) (23 years ago, 12-Dec-02, to lugnet.technic, lugnet.robotics)
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| | Re: Cygwin under Virtual PC on OS X
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Oops, Sorry if I accidentally gave anyone false hope, I ment to say: I have not found any cross compiler packages for LegOS or the Hitachi H8 that are buildable under OS X (but would love to find one). Anyone know of any? (...) (23 years ago, 12-Dec-02, to lugnet.robotics.rcx.legos)
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| | Re: Spybotics Comms
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(...) I haven't tried it, so no definite answer, but see (URL) Jürgen Stuber <stuber@loria.fr> (URL) åa ä e ö å i öa ä e å. (23 years ago, 12-Dec-02, to lugnet.robotics.spybotics)
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| | Hammer Help
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Hello All, I'm looking for some mechanical design help. I am attempting to build a hammer device for my RCX Tank Base Two, kind of a 'Robot Warriors' thing. I'm looking for ideas on how to do this, so far I have failed at my own attemps. The way I (...) (23 years ago, 12-Dec-02, to lugnet.technic, lugnet.robotics)
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| | Re: Lego® Technic Motor (43362) internals
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Nice page, I enjoyed your site too. e www.mylegomaster.com (23 years ago, 12-Dec-02, to lugnet.robotics, lugnet.technic)
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| | Lego Mindstorms Monthly Article
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I was asked to write an article about me for the Lego Mindstorms Monthly Web Site. (Unoffical Fan Web-Site) Check it out. :) (URL) Legomaster Sophie Thank you. (23 years ago, 12-Dec-02, to lugnet.build.mecha, lugnet.technic, lugnet.robotics, lugnet.people)
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| | Re: Spybotics Comms
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(...) Sorry, think I have mixed some things up. People from the Lego hotline told me the ir-interface of the RIS 2.0 RCX has been changed and communication to a spybot is not possible. Are these changes only because of the usb-tower and do they have (...) (23 years ago, 11-Dec-02, to lugnet.robotics.spybotics)
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| | legOS and QNX
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I got two simple questions: 1. Anyone tried to compile legOS & LNPD Deamon under QNX. 2. Anyone tried to comunicate with LNPD from other computer, tcp/ip? (i mean exactly: QNX <-> linux (LNPD here) ) pleasy send me any adresses or information Tomasz (...) (23 years ago, 11-Dec-02, to lugnet.robotics)
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| | Lego® Technic Motor (43362) internals
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I received two new 9V mini-motors from S@H, that was of the new variety described by Mark Riley ((URL) lead me to remove back cover, but it was wired to the rest of the motor. So I put it back in place... no luck, the motor didn't turn any more :c( (...) (23 years ago, 11-Dec-02, to lugnet.robotics, lugnet.technic)
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| | Re: BrickOS
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Thanks for posting the link. I've been looking for something like this, but didn't know this particular thing existed. Now I just have to wait 2hrs 25min while it downloads! God I love sipping the internet through a straw... Matthias Jetleb (23 years ago, 11-Dec-02, to lugnet.robotics)
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| | Re: Spybotics Comms
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|
(...) You already have an RCX 2.0. Aside from printing "RCX 2.0" on the plastic, the RCX in RIS 2.0 is identical to the one included in RIS 1.5. Since you have downloaded the 2.0 firmware, you should be all set. Dave (23 years ago, 11-Dec-02, to lugnet.robotics.spybotics)
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| | Re: Spybotics Comms
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(...) Hi Mark, am I right, all you have described above only works with a RCX2.0-hardware cause of the changed IR-interface? Is there any chance to communicate between Spybot and RCX1.5 (with 2.0 firmware)? If there is no, I will have to buy a (...) (23 years ago, 10-Dec-02, to lugnet.robotics.spybotics)
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| | Re: Firmware download troubles
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(...) Look at Edit/Preferences. On the General tab is a checkbox labeled "Use fast mode when downloading firmware" You can uncheck that option to use normal speed firmware downloads via BricxCC. John Hansen (URL) (23 years ago, 10-Dec-02, to lugnet.robotics.rcx)
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| | Re: Firmware download troubles
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The low buzz tone is an error generated by the ROM firmware for failure condition detected as part of the "unlock firmware" opcode. There are two causes of this. [1] ROM software calculates a checksum value of the downloaded firmware and this (...) (23 years ago, 10-Dec-02, to lugnet.robotics.rcx)
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| | Re: Firmware download troubles
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(...) ... (...) Dick and others, Thanks - this helped. What I did to solve this was run the NCQ command-line download at "normal" speed. This worked the first time. Interestingly, I am not sure that the Bricx (v3.3) download was running quad speed (...) (23 years ago, 10-Dec-02, to lugnet.robotics.rcx)
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| | Re: Firmware download troubles
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A likely explanation for your downloading problem is the following. Standard Lego software uses 2400 baud data rate and a protocol that sends "double" bytes. The "double" byte is that each data byte is followed by its complement. Alternative (...) (23 years ago, 10-Dec-02, to lugnet.robotics.rcx)
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| |
| | Re: want to get inentors kit but...
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|
(...) If you want to use the 'official' Lego software, then I'm not sure what Windoze OS's are supported - but certainly Linux isn't. However, many (most even?) serious users end up using a 3rd party software package called 'Not Quite C' (NQC) which (...) (23 years ago, 10-Dec-02, to lugnet.robotics)
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| | RE: Installation Help!
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|
Max, Aha! I did that and it got a lot further this time, but still failed. I'll have to wade through the log file to try and pinpoint where it went wrong as I don't want to post the whole 180k. Thanks for your help! Andy -----Original Message----- (...) (23 years ago, 10-Dec-02, to lugnet.robotics.rcx.legos)
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| | Re: Firmware download troubles
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Matt, I discovered that the IR LED's and detector on my serial tower was located higher than I expected and pointed upward somewhat. I was able to get better transfers when the tower was leaning forward (pointing downward so to speak). Otherwise, I (...) (23 years ago, 9-Dec-02, to lugnet.robotics.rcx)
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| | Re: Firmware download troubles
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Also: When it seems to get to the very end before the error appears, I sometimes get a long (3-4 seconds) low tone from the RCX. Matt (23 years ago, 9-Dec-02, to lugnet.robotics.rcx)
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| | Firmware download troubles
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Hi All, I have pulled my RCX out of summer storage and I am trying to bring it to life. I have tried to download the 2.0 Firmware (firm0328.lgo) dozens of times with no success. It starts to download, then somewhere in the middle, or very close to (...) (23 years ago, 9-Dec-02, to lugnet.robotics.rcx)
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| | Re: Installation Help!
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|
(...) You need to install the Cygwin gcc package. You need the normal Cygwin gcc to build the Cygwin->H8300 cross-compiler gcc. Max. (23 years ago, 9-Dec-02, to lugnet.robotics.rcx.legos)
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| | Re: installation of cygwin and legos/brickos
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John, It looks as if you don't have the cross compiler or it is is not in a known directory. Try searching your entire hard drive for h8300. That might bring something up. You should have either tired to build the cross compiler or downloaded it (...) (23 years ago, 9-Dec-02, to lugnet.robotics.rcx.legos)
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| | Re: Installation Help!
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Thanks for the info! I checked and I do have grep installed. But I did not install anything other than was listed. I initially tried to install everything but the download died after a couple of hours on my T1 connection. Would some kind person with (...) (23 years ago, 9-Dec-02, to lugnet.robotics.rcx.legos)
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| | Re: Installation Help!
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|
(...) Hi Max, I got: $ gcc -v BASH: gcc: command not found but the command I am running to get all this output is the buildgcc.sh command to build gcc. Andy (23 years ago, 9-Dec-02, to lugnet.robotics.rcx.legos)
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| | want to get inentors kit but...
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Is it true you need windows 98 to run it on? If so, is there anyway around this, coz I only have windows ME or red hat 6.2 linux (I'd rather use windows). Also, why does it cost $189 in the USA (about £120) and in the UK it costs £159 ? Is this lego (...) (23 years ago, 9-Dec-02, to lugnet.robotics)
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| | Re: modular bot
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yeah the head can eat its tail :) but worm-walk can be done like wave or something like that so what do you think about it it's needed to have many rcxes :) regards pixel "Tobbe Arnesson" <StPnAtM@lotek.nu> wrote in message (...) (23 years ago, 9-Dec-02, to lugnet.robotics, lugnet.technic)
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| | Re: modular bot
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<<snip>> (...) I see three, four bot's chasing it's own tail in a typical puppy manner :) Best regards, /Tobbe (URL) SPAM when e-mailing) (23 years ago, 9-Dec-02, to lugnet.robotics, lugnet.technic)
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| | Re: Ultimate Builders Set for Mac?
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All the instructions on the UBS CD are jpegs and quicktime movs. This means that you can read them on a mac without using virtual PC, and if you have Quicktime Pro, you can join them all together as a slide show. Look on the CD in shared/build. I (...) (23 years ago, 9-Dec-02, to lugnet.robotics.rcx)
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| | Re: Mechanical pneumatic switch
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(...) (23 years ago, 8-Dec-02, to lugnet.robotics)
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| | Re: Ultimate Builders Set for Mac?
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James, Thanks for the helpful info! If a PC is really needed only for reading the build instructions, do you think I could read them using Virtual PC running on my Mac? Dean (...) (23 years ago, 9-Dec-02, to lugnet.robotics.rcx)
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| | Re: Ultimate Builders Set for Mac?
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|
The LEGO pieces you get with the Ultimate Builders Set are a nice addition to any collection. However, the software with all the instructions for all the models only runs on the PC. All the behaviors are completely possible with Robolab but without (...) (23 years ago, 9-Dec-02, to lugnet.robotics.rcx)
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| | Ultimate Builders Set for Mac?
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We use Robolab software and the RCX on our Power Macintosh G3. Will the Ultimate Buiders Set work for us in that environment? Dean (23 years ago, 8-Dec-02, to lugnet.robotics.rcx)
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| | Re: installation of cygwin and legos/brickos
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|
(...) Saw this problem before. You might check older mails in this newsgroup discussing that. Running brickOS under Linux I don't know much about the cygwin problems. But your makefile assumes that the c compiler can be run with the command "cc" (...) (23 years ago, 8-Dec-02, to lugnet.robotics.rcx.legos)
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| | View the Virginia FIRST LEGO League tournament LIVE on the internet TODAY
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For anyone interested in FIRST LEGO League, the Virginia State tournament is being broadcast live on the internet today. (...) view the Virginia FLL tournament via live webcast at (URL) on "Watch it live", then click on "Go GDN live to Cassell (...) (23 years ago, 8-Dec-02, to lugnet.robotics)
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| | Re: installation of cygwin and legos/brickos
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John, What version of legOS are you using? Looking at the code below it seems to indicate that you are using legOS ver 0.2.6 (unless in the newer versions of brickOS we forgot to change a directory name). I am also going to gues that you are using (...) (23 years ago, 8-Dec-02, to lugnet.robotics.rcx.legos)
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| | Re: Mechanical pneumatic switch
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|
(...) Yes, there's a really simple way. If you use the liftarm <part:2825> and a 40 tooth gear on the same axle, then you can attach the liftarm and a technic connector with axlehole together with another axle. This last part will attach to the (...) (23 years ago, 8-Dec-02, to lugnet.robotics)
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| | Mechanical pneumatic switch
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Does any one know of a way to mechanicalize the pneumatics switch? I need something as small as possible. Thanks Scott (23 years ago, 8-Dec-02, to lugnet.robotics)
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| | installation of cygwin and legos/brickos
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|
I have previously reported problems in installing cygwin and legos, and have tried again to get this up and running. I believe that cygwin is not properly installed and have included information here on all modules included and error messages when I (...) (23 years ago, 8-Dec-02, to lugnet.robotics.rcx.legos)
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| | Spybotics Book
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I just received my copies of the Spybotic book, LEGO Spybotics Secret Agent Training Manual (I did the tech edit--shameless plug). I'm very impressed with the finished version! Ralph, you did a great job getting it all in there--it looks neat, and (...) (23 years ago, 8-Dec-02, to lugnet.robotics.spybotics, lugnet.org.ca.rtltoronto)
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| | Re: New Threading Model in legOS 0.2.5
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(...) One can view an English translation using Babel here, (URL) goto (URL) and enter the url (URL) (23 years ago, 7-Dec-02, to lugnet.robotics.rcx.legos)
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| | New Threading Model in legOS 0.2.5
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Hi In our diploma work we implemented a completely new threading model. We implemented a subset of the pthreads API as it is available in Linux. Now eventhandling has also been improved. One negative point: we did not yet adabt dynamic program (...) (23 years ago, 7-Dec-02, to lugnet.robotics.rcx.legos)
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| |
| | Re: 68HC11A1FN
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|
I did try, but still can't find any. Rita "Patrick Hui" <huip@hkstar.com> wrote in message news:00bb01c29bea$15...atrickh... (...) parts (...) 24-hour) (...) (23 years ago, 7-Dec-02, to lugnet.robotics.handyboard)
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| |
| | Re: Installation Help!
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|
(...) ... (...) I have built the h8300 cross compilers many times now. It was hard at first, but now I've nailed down the correct set of options, I have no problems. Here are the commands I use: First: export PATH=/h8x/bin:$PATH Binutils: (...) (23 years ago, 7-Dec-02, to lugnet.robotics.rcx.legos)
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| | Re: Installation Help!
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|
(...) Are you *sure* you installed gcc ? Try 'gcc -v' from a Cygwin prompt, and post the output. Max. (23 years ago, 7-Dec-02, to lugnet.robotics.rcx.legos)
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| | Re: Installation Help!
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|
Hello I am certainly not an expert, and have not yet been successful in installing BrickOS myself. But I have some experience in one of the messages that you are getting: (...) I believe that if you are using the instructions as listed at (URL) that (...) (23 years ago, 6-Dec-02, to lugnet.robotics.rcx.legos)
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| | Installation Help!
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|
Hi, I'm sorry if this has already been posted a million times before. I tried using te search for some of the errors I am seeing but I couldn't find any matches. It is failing when I try to build the gcc compiler. I'm following the installation (...) (23 years ago, 6-Dec-02, to lugnet.robotics.rcx.legos)
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| | BricxCC and WinLegOS
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|
I have been unsuccessfully struggling with loading a working BrickOS system (see my thread "C Compiler for Windows 98" 12/2/02). Until I can get it up and running I have resorted to using WinLegOS. I have BricxCC 3.3.6.6 up and running with NQC and (...) (23 years ago, 6-Dec-02, to lugnet.robotics)
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| | LEGO MindStorms 2.0: Alternative transmission techniques 2
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|
Hi, I know that the original post (read below) is kind of old, but the hole project seems quite interesting. I also read the reply that Mario posted. I agree with him in all the points. I'll assume that you want to develop a vehicle, not a robot (...) (23 years ago, 6-Dec-02, to lugnet.robotics.rcx)
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| | Re: LEGO MindStorms 2.0: Alternative transmission techniques
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|
Hi, I know that the original post (read below) is kind of old, but the hole project seems quite interesting. I also read the reply that Mario posted. I agree with him in all the points. I'll assume that you want to develop a vehicle, not a robot (...) (23 years ago, 6-Dec-02, to lugnet.robotics.rcx)
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| | modular bot
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|
hi maybe it was talked here but maybe not what do you think about making modular bot one module has one rcx one module can bend itself in the middle (in one plane) rcx ins are: 1. light sensor 2. angle sensor 3. touch sensor outs are: 1. main motor (...) (23 years ago, 6-Dec-02, to lugnet.robotics, lugnet.technic)
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| |
| | Re: RIS 1.5 £85 at UK S@H
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|
(...) I have a spare english CD is anyone needs it. Scott A (...) (23 years ago, 6-Dec-02, to lugnet.robotics, lugnet.technic, lugnet.loc.uk)
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| |
| | MacNQC Beta Release 3.0a7
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|
Hi All, I've uploaded MacNQC 3.0a7. One new feature: * The Piano Panel can now sound the notes it's playing on the Mac. Bugs fixed: * Updated the NQC compiler to 2.5 a3. * Fixed the NQC_Guide and MacNQC_Guide help menu items. * Fixed a crash when (...) (23 years ago, 6-Dec-02, to lugnet.robotics.rcx.nqc)
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| |
| | bricxcc release 3.3.6.6 now on SourceForge
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|
I've created a project on sourceforge for BricxCC. Initially I will be using it for releasing the setup executable. At some point I may create a CVS repository for the BricxCC source code. For now, though, if you go to the BricxCC home page at (URL) (...) (23 years ago, 5-Dec-02, to lugnet.robotics)
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| |
| | Re: Controlling larger motors from RCX ??
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|
Terry, I'd like to have more details about your project. I wonder, wouldn't be easier if you use a PICMicro MCU? or maybe another controller family? Tell me more, maybe I can help. Best Regards, CarlosLuis Rendon M. "Terry King" <tking@together.net> (...) (23 years ago, 5-Dec-02, to lugnet.robotics, lugnet.robotics.rcx, lugnet.robotics.rcx.nqc)
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| |
| | Re: Sky Shooter
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(...) earth :-) Stef Mientki (...) (23 years ago, 5-Dec-02, to lugnet.robotics)
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| | Sky Shooter
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|
I have at last completed the presentation page of my Sky Shooter, automatic camera accessory with interval timer and mobile shade that follows movement of the sun: (URL) collection of hemispherical skies, many of them photographed with Sky Shooter: (...) (23 years ago, 5-Dec-02, to lugnet.announce.moc, lugnet.robotics)
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| |
| | Re: RCX comunications - UDP/IP???
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Using LNP (included in BrickOS) you can broadcast a packet using lnp_integrity_write(). Such a packet is guaranteed to arrive intact if it arrives at all. Each RCX must have a "listener" set up for the port you broadcast on. LNP addressing normally (...) (23 years ago, 5-Dec-02, to lugnet.robotics)
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| | Re: RCX comunications - UDP/IP???
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(...) THe simple 'SendMessage(c)' command in NQC doesn't do any handshaking - and (of course) it broadcasts. (...) THe 'SendMessage' command only sends a single byte - and one problem with this is that if you want to send a multi-byte message, it (...) (23 years ago, 5-Dec-02, to lugnet.robotics)
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| | RCX comunications - UDP/IP???
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Is the RCX capable of broadcasting a message without handshaking similar to UDP/IP using NQC? For those that arent familar, UDP simply broadcast a packet and doesn't require a confirmation that the packet was recieved unlike its brother TCP/IP This (...) (23 years ago, 5-Dec-02, to lugnet.robotics)
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| | Re: brickOS and latest binutils
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(...) The $-sign before symbol addresses was accidentaly removed when that bit of code was re-written to fix a different bug. It's now back. (...) Not really. I may have overstated that. Basically, it involves some moderately complex interactions (...) (23 years ago, 5-Dec-02, to lugnet.robotics.rcx.legos)
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| | Re: brickOS and latest binutils
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|
(...) What's the change? Has the symbolsrec format reverted to the one used before? (...) Why a COFF guru? To understand the h8300-coff format? Sorry if these are stupid questions. Just curious. (23 years ago, 5-Dec-02, to lugnet.robotics.rcx.legos)
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| | Re: 68HC11A1FN
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Hello, Did you check the motorola site to see if 68HC11A1FN library is available? Thanks and Best Regards, Patrick Hui --00---...--- R O B O T S T O R E ( H K ) -- Home of Robot Parts and Science Projects MIT Handyboard system, robotic controller (...) (23 years ago, 4-Dec-02, to lugnet.robotics.handyboard)
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| | Motor LCD arrows bug
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In BrickOS 0.2.6.08, there's a minor bug where the LCD arrows misbehave when the motor direction is set to brake. I believe the intention is to turn both direction arrows on when the output is in the brake state. However, what happens is that only (...) (23 years ago, 4-Dec-02, to lugnet.robotics.rcx.legos)
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| | RE: RCX Tank Base
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|
<SNIP> (...) What I meant with the thread was to use the studs as channels for the thread and tie them perpendicular to the shape of the conveyor piece, one thread on each side. [o|o#o|o] <--track piece, chain side, | = string, o = holes in conveyor (...) (23 years ago, 4-Dec-02, to lugnet.robotics)
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| |
| | Re: hovercraft in motion
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Shockingly impressive!!! :) (23 years ago, 4-Dec-02, to lugnet.robotics)
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| |
| | Re: RIS2.0 and XP
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(...) Another suggestion someone provided to me for XP is as follows: Under the start key, goto Help & Support Select the category "Built in Product Assistance & Maintenance" Click "Adjust your startup resources to improve performance" Click Next (...) (23 years ago, 4-Dec-02, to lugnet.robotics)
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| | Re: RCX Tank Base
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"Rob Limbaugh" <lego-robotics@crynwr.com> wrote in message news:73718FFFA963C04...oup.com... [attaching tracks snipped] (...) sound) (...) the (...) This may help stop them falling right off (as Roy Nelson says leter in this thread), but I'd be very (...) (23 years ago, 4-Dec-02, to lugnet.robotics)
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| | Re: searching for an Invention Kit for sale.
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"KRISTOF Imola" <lego-robotics@crynwr.com> wrote in message news:Pine.A41.4.31.0...elte.hu... (...) [snip] The new one may be cheaper than you think. Lego seem to be selling all their old Robotics Invention System 1.5 sets cheap. I bought one in the (...) (23 years ago, 4-Dec-02, to lugnet.robotics)
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| | Vision Command on XP and 2000 instructions... pending update
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Hello everyone, I'm working on updating the instruction pages for Vision Command installation on XP and 2K. What I would like to include is a small FAQ and list any issues people may have encountered. A couple weeks ago, I did a fresh install of 2K (...) (23 years ago, 4-Dec-02, to lugnet.robotics)
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| | Re: RCX Tank Base
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I used three sets of treaded chain links and 1x10 plates to make the tracks for a couple models. None of the plates ever came completely loose, but some of them would come loose from one of the three treads. Virtually all of the treaded chain links (...) (23 years ago, 4-Dec-02, to lugnet.robotics, lugnet.technic)
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| | Re: LNPD problem
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At times I have experienced some issues wth using lnp; I was generally able to improve or elliminate the problem by increasing the packet_handler task priority... or lowering all other tasks to be less than the packet handler. (This includes kernel (...) (23 years ago, 4-Dec-02, to lugnet.robotics.rcx)
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| | Re: RCX Tank Base
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I'm enough of a purist that I wouldn't ust non-lego treads, atleast I wouldn't go searching / buying a set. I am considering using a low temp glue gun to hold the 1x4 plates on. I did use a thin elastic cording on the inside of the conveyor links to (...) (23 years ago, 4-Dec-02, to lugnet.robotics)
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| | Re: RCX Tank Base
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I never thought of using a low-temp glue gun. It does peal off nicely on smooth flat surfaces. I'll have to test it out! Could get messy on the back side of the plates and in the treads. (...) (23 years ago, 4-Dec-02, to lugnet.robotics)
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| | brickOS and latest binutils (1 issue now fixed in binutils CVS, and workaround patch to brickOS for the other)
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The "invalid symbolsrec file" issue (error from makelx) issue is now fixed in binutils CVS, both on the trunk, and on the 2.13 branch - so the next release of binutils, be it 2.13.2 or 2.14 will have this fixed. The "ld segmentation fault" issue is (...) (23 years ago, 4-Dec-02, to lugnet.robotics.rcx.legos)
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| | Re: LNPD problem
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Hi Pieter, I'll take a shot at it... It's possible you may be experiencing a transmission problem on the RCX side. That's not to say that your RCX can't transmit IR data correctly... obviously it can since you are able to download BrickOS and that (...) (23 years ago, 4-Dec-02, to lugnet.robotics.rcx)
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| | LNPD problem
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Hi there, I still don't manage to send any packages from the rcx to the PC. I attached the client and the "receiver program" and here is a fragment of the lnpd log: 148032:Client > connection 1 from host 127.0.0.1, port 33485 148039:Logical > (...) (23 years ago, 3-Dec-02, to lugnet.robotics.rcx)
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| | Re: Lindows
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(...) Yes, it should. It works on my system a debian testing. cheers, Pieter (23 years ago, 3-Dec-02, to lugnet.robotics.rcx.legos)
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| | Re: Lindows
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(...) More specifically, it's based on Debian/GNU Linux. Which in turn, means that the prepackaged brickOS for Debian works. You can download the four packages by chasing links found at: (URL) (Debian maintainer for brickOS) -- Stephen M. Moraco (...) (23 years ago, 3-Dec-02, to lugnet.robotics.rcx.legos)
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| | Lindows
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since it is based on linux, BrickOS should work on it, right? Timothy (23 years ago, 3-Dec-02, to lugnet.robotics.rcx.legos)
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| | searching for an Invention Kit for sale.
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Hi everyone! I live in Hungary and it's quite hard to find a used invention kit (the new one is too expensive for me). So if someone has a kit for sale or just parts of a kit (I need especially motors, sensors (min. two), one light sensor, infrared (...) (23 years ago, 3-Dec-02, to lugnet.robotics)
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| | 68HC11A1FN
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Dear all, I'm looking for the library for drawing a modified schematic for the HandBoard, but Protel does not have the library for this. Does anybody have? or is there any other chip which could replace the current one?? Thanks Rita (23 years ago, 3-Dec-02, to lugnet.robotics.handyboard)
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| | RE: RCX Tank Base
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<SNIP> (...) I realized a few minutes after making my post that there is LEGO string. It is of suitable size. And, based on creations I've seen from the AFOLs, it's definitely strong enough. - Rob (23 years ago, 3-Dec-02, to lugnet.robotics)
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| | RE: Using TIS and USB Tower on a Macintosh
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Hello, According to what I've read, Robolab 1.5 will work with the USB tower on a Mac. This leads me to believe that the Robolab CD comes with USB drivers for the tower. Emulators (as I understand them) work by mapping working resources to an (...) (23 years ago, 3-Dec-02, to lugnet.robotics)
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| | Re: Line following algorithms
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From: Gary Mullen <garym@the-mullens.net> (...) It's a little of both. (prize & prestige) When you go to a contest sponsored by a robot club, they often give out "real robot" prizes. (stuff WE can't usually use) But at the last line following event (...) (23 years ago, 3-Dec-02, to lugnet.robotics)
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| | Re: RCX Tank Base
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(...) > of trying hot-glue if it doesn't melt the LEGO's... There are two kinds of hot-melt glue guns - High temperature and Low temperature. I know that the low temperature kind definitely don't melt Lego and the glue does peel off relatively (...) (23 years ago, 3-Dec-02, to lugnet.robotics)
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| | Re: RCX Tank Base
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(...) Depends on who you are, a 100% LEGO solution is better IMHO. Of course glue or cross stitching falls out of the purists world. I once made some heavy duty treads from halvbeams and cross axles but found it difficult to get enough traction from (...) (23 years ago, 3-Dec-02, to lugnet.robotics)
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| | Re: RCX Tank Base
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Are non-Lego treads are out of the question? I've had lots of luck with different brands including the ones shown on my very old web page at www.borg.com/~pinkmice JB (...) (23 years ago, 3-Dec-02, to lugnet.robotics)
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| | RE: RCX Tank Base
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<SNIP> (...) I haven't tried any adhesives on my tracks yet, but I was thinking of trying hot-glue if it doesn't melt the LEGO's or some tub caulk. School glue and/or wood glue (leaning more towards wood glue) may have enough strength to hold and it (...) (23 years ago, 3-Dec-02, to lugnet.robotics)
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