 | | Re: maximum number of variables in RCX2 ?
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(...) Remember that the RCX has no stack or heap. This means that, effectively, there is no memory pool from which to allocate things. Here, 'local' means belonging to the current task not the current function, and the number of tasks is fixed (at (...) (23 years ago, 20-Feb-02, to lugnet.robotics.rcx.nqc)
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| | LEGO Spybotics / 2002 = New RCX controllable IR units ?
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From (URL) gamers will flip for a new twist to LEGO robotics called SPYbotics - four unique, programmable vehicles determined to accomplish the missions you assign to them." Let's hope it's RCX aware, like (or better than) the Manas Set is :) For (...) (23 years ago, 20-Feb-02, to lugnet.robotics)
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| | RE: Palm IR to RCX
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|
Yes I want to contribute ... But have to know how to program palm !! Thanks nanobapt ---...--- "la cuillère n'existe pas" (URL) : 94470030 -----Message d'origine----- De : Till Harbaum [mailto:harbaum@tm.uka.de] Envoyé : mercredi 20 février 2002 (...) (23 years ago, 20-Feb-02, to lugnet.robotics)
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| | Re: Palm IR to RCX
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Am Mittwoch, 20. Februar 2002 09:24 schrieb Till Harbaum: (...) Nothing special but something like using the palm as external data storage for larger things like maps (maze solving) ... Regards, Michael. (23 years ago, 20-Feb-02, to lugnet.robotics)
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| | Re: Palm IR to RCX
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(...) You could do this kind of communication in a palm controlled way (all communication is initiated by the palm). Exactly this kind of application was, what i had in mind when i started the project. Anyone willing to contribute? Ciao, Till (23 years ago, 20-Feb-02, to lugnet.robotics)
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| | Re: maximum number of variables in RCX2 ?
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Hi John, (...) Yes ! Using more tasks you will get more local space (for each task 16). So maximum number of variables is 32+(16*10) = 192 (...) That's how NQC is handling memory for local variables in functions, subroutines, tasks. Local has a (...) (23 years ago, 20-Feb-02, to lugnet.robotics.rcx.nqc)
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| | Re: maximum number of variables in RCX2 ?
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(...) this (...) only (...) variables (...) the (...) From my understanding of NQC, the compiler automatically selects the most suitable location to store variables. Global variables are obviously always allocated in one of the 32 global storage (...) (23 years ago, 20-Feb-02, to lugnet.robotics.rcx.nqc)
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| | Re: Palm IR to RCX
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(...) Thanks, it got much better in the meantime ... (...) I don't think it's possible to make the lib respond to requests from the rcx. The problem is, that this kind of reception of data requires 100% cpu time. Therefore, i can't continiously (...) (23 years ago, 20-Feb-02, to lugnet.robotics)
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| | Re: RCX Dead??
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Hello Matthias, thanks for a very detailed description of your findings inside the RCX. I have just one comment to add ... (...) True, as long as we are talking Alkalines. But how about NiCd accumulators? I think they can deliver much higher current (...) (23 years ago, 20-Feb-02, to lugnet.robotics)
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| | maximum number of variables in RCX2 ?
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When using the RCX2 target, the NQC manual (Section 2.2.4) states that 32 global variables, and 16 local variables (per task) are allowed. Does this mean that the whole program can only have 48 variables total when using only one task, ie. "main" , (...) (23 years ago, 20-Feb-02, to lugnet.robotics.rcx.nqc)
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| | Re: RCX Dead??
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I saw your post on RTLToronto.... You didn't indicate whether you tried to use batteries again afterward. I'm assuming you did. I'm also assuming you hooked the terminals up backward. That could be trouble. The 7805 regulator will protect the (...) (23 years ago, 18-Feb-02, to lugnet.robotics)
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| | Re: LIDARStation and LIDARDisp application finished
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(...) I'm highly interested in seeing your results. The RCX obviously is not brainy enough to process and use the 3D data, but a host computer could be. I'd be interested in helping with the host software on a project like this. I've thought about (...) (23 years ago, 19-Feb-02, to lugnet.robotics)
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| | Re: problems using firmdl3 and dll on Red Hat 6.2
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(...) That file should just be a soft link to /etc/rc/init.d/gpm (or ../init.d/gpm), so there's no need to keep it. ROSCO (23 years ago, 19-Feb-02, to lugnet.robotics.rcx.legos)
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| | Re: Palm IR to RCX
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Hi Till, Am Mittwoch, 13. Februar 2002 19:31 schrieb Till Harbaum: (...) Do you think it is possible to implement the legOS network protocol for palmOS? Michael. (23 years ago, 19-Feb-02, to lugnet.robotics)
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| | Re: LIDARStation and LIDARDisp application finished
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(...) Not really. I believe this enough to try it soon. :) Two motors to turn and tilt the camera, and one for a differential drive setup(possibly using the reverse differential device). All the sensor ports would be used however - 1 for the (...) (23 years ago, 19-Feb-02, to lugnet.robotics)
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| | Re: LIDARStation and LIDARDisp application finished
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(...) Thanks, Mario. Love your work too, BTW. (...) I think this would be a very useful modification. Wish I had an ultrasonic sensor to do it with myself. ;) I will point out that the reason the entire assembly rotates is because I wanted it to (...) (23 years ago, 19-Feb-02, to lugnet.robotics)
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| | Re: BricxCC release 3.3.3.8
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|
John Hansen wrote: > In lugnet.robotics.rcx.nqc, Stef Mientki writes: > >>I know the cause, you know the solution ;-) >> >>The size of BricxCC when opening the first file, depends on the SIZE of >>the file to be opened. >> 8 bytes, window stays as (...) (23 years ago, 19-Feb-02, to lugnet.robotics.rcx.nqc)
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| | Re: BricxCC release 3.3.3.8
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(...) Yes that's exactly what I'm trying to say !! To day I had an even stranger experiences: 1. the size of BricxCC became smaller after opening the first file, still depending on the size (or is it the content) of the file 2. in one of the tests I (...) (23 years ago, 19-Feb-02, to lugnet.robotics.rcx.nqc)
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| | Re: LIDARStation and LIDARDisp application finished
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(...) Nice idea, Chris, very interesting project. I'd like to replicate your setup using John Barnes' Ultrasonic distance sensor instead of the light sensor. This should increase the radius of the scanned area, and make the device return the true (...) (23 years ago, 19-Feb-02, to lugnet.robotics)
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| |
| | Re: windows ce
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|
"Steven B. Combs" <stevencombs@yahoo.com> wrote in message news:GrquFB.3IM@lugnet.com... (...) program (...) the (...) the problem with trying to hack the IR port on a Windows CE machine is that the IR is part of the chip architecture. There were (...) (23 years ago, 19-Feb-02, to lugnet.robotics, lugnet.robotics.palm)
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| | Re: problems using firmdl3 and dll on Red Hat 6.2
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(...) Oh, on the console you might have gpm running, which allows copy-paste on the console with the mouse. As root, run '/etc/rc.d/init.d/gpm stop' and see if it gets better. To turn that off completely edit /etc/sysconfig/mouse and set (...) (23 years ago, 19-Feb-02, to lugnet.robotics.rcx.legos)
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| | Re: problems using firmdl3 and dll on Red Hat 6.2
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It is working! In case anyone else encounters this issue... here is the solution. Per Geoff Gerrietts: (...) I just moved the file to /unused (in case I wanted it back) and reboot'd. IR communication is working perfect. Thank You Geoff! <snip> (next (...) (23 years ago, 19-Feb-02, to lugnet.robotics.rcx.legos)
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| | LIDARStation and LIDARDisp application finished
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Well, my first serious Mindstorms project is complete. (URL) Go to "Lego Robotics Projects". Thanks to everyone who has given me suggestions on getting my Linux laptop serial port happy, and on IR comms issues and to everyone who did light-based (...) (23 years ago, 19-Feb-02, to lugnet.robotics)
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| |
| | Re: BricxCC release 3.3.3.8
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|
(...) Well, I'm stumped. I cannot get the behavior you describe to occur no matter how hard I try. I'm not sure what you mean by "I know the cause, you know the solution". Have I understood your description of the problem correctly? Are you saying (...) (23 years ago, 19-Feb-02, to lugnet.robotics.rcx.nqc)
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| | Re: problems using firmdl3 and dll on Red Hat 6.2
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|
"Joseph Woolley" <jwoolley@spamblock....ht.rr.com> wrote in message news:GrqxJG.Cwq@lugnet.com... (...) to (...) Also, when I installed RH, I had a mouse connected to the same serial port. I am wondering if the mouse driver is still loading and (...) (23 years ago, 18-Feb-02, to lugnet.robotics.rcx.legos)
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| | problems using firmdl3 and dll on Red Hat 6.2
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I recently cleared off my laptop HD and installed Red Hat 6.2, then downloaded and installed all the packages listed in the legOS HOWTO... but have run into a couple snags. 1st and most important, I am not able to send anything via the IR Tower. (...) (23 years ago, 18-Feb-02, to lugnet.robotics.rcx.legos)
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| | BimP is seeking Authors
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Bricks in my Pocket, the PDA e-journal for Advanced LEGO Users is searching for article submissions. If you are interested in submitting an article to BimP review the submission guidelines at: (URL) can review BimP without a PDA by pointing your web (...) (23 years ago, 18-Feb-02, to lugnet.robotics.edu)
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| |
| | RE: RCX Dead??
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|
I applied power to the last capacitor towards the back...and it works!!! Should I connect to this capacitor using a fuse or anything first or is it safe to solder leads directly from this capacitor? thanks -----Original Message----- From: (...) (23 years ago, 18-Feb-02, to lugnet.robotics)
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| | Any hope for my RCX?
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I have(had…)-:) a 1.0 RCX without an adapter-plug on it and I tried to connect an 9V adapter to the battery-connectors. It all worked fine, but when I put the RCX back together and tried to turn the RCX back on whit the adapter it didn’t work. Now (...) (23 years ago, 18-Feb-02, to lugnet.robotics)
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| |
| | Re: BricxCC release 3.3.3.8
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hi John, thanks for your attention. I know the cause, you know the solution ;-) The size of BricxCC when opening the first file, depends on the SIZE of the file to be opened. 8 bytes, window stays as it is 256 bytes, blows the window up to about (...) (23 years ago, 18-Feb-02, to lugnet.robotics.rcx.nqc)
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| |
| | Re: windows ce
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|
"brian peiris" <brianpeiris@hotmail.com> wrote in message news:Grpsqq.CxI@lugnet.com... (...) RCX. Brian, I don't believe that this is available, but I will be anxious to hear what others say. Steven (23 years ago, 18-Feb-02, to lugnet.robotics, lugnet.robotics.palm)
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| | Re: Bricks in my Pocket (BimP) now available!
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(...) I too had a slight giggle when I discovered that Bricks in my Pocket resulted in BimP. It was too good not to use. Thanks for the feedback! Steven B. Combs, Editor Bricks in my Pocket (BimP) (23 years ago, 18-Feb-02, to lugnet.robotics)
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| | Re: BricxCC release 3.3.3.8
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|
(...) I can't duplicate this behavior. I think it might have something to do with those pesky DSK files (maybe?). Can you check to see if the files listed in your recent file list have associated desktop files (*.DSK)? Thanks, John Hansen (23 years ago, 18-Feb-02, to lugnet.robotics.rcx.nqc)
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| |
| | RE: Lost my IR Tower - Scout SDK
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|
Tony: I've downloaded 2 zips one with a VB expample (without any .ocx!) and the other has a PDF. Do you know of any other links? Thanks a lot, Marcelo R. Muzzio -----Mensaje original----- De: Tony Burton [mailto:tony.burton@...ock.co.nz] Enviado el: (...) (23 years ago, 18-Feb-02, to lugnet.robotics)
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| | windows ce
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i have a Cassiopiea e-125 and i was wondering where i could get a program that utilises the built-in IR port instead of the IR tower to control the RCX. (23 years ago, 18-Feb-02, to lugnet.robotics, lugnet.robotics.palm)
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| | Re: Connecting a non-Lego motor with external battery to the RCX
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|
(...) If the motor runs on 9V anyway, just hook it up to RCX directly (assuming it only draws 500ma). If it needs more than that, hook an external battery up to it via a power transistor (either bipolar or FET). You'll need a resistor in series with (...) (23 years ago, 17-Feb-02, to lugnet.robotics.rcx)
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| | Re: Lost my IR Tower - Scout SDK
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|
Hi, If you have the SDK2 for the RIS then you have all you need to develop for the Scout. It uses the RCX 2.0 firmware, and all that is different is the following: 1 x built in light sensor (takes away one input). 1 x runnable program mode (select (...) (23 years ago, 18-Feb-02, to lugnet.robotics)
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| |
| | fwd: high currents kill handyboard?
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From: "Tanya Tickel" <sti398@merle.it.nor...stern.edu> Date: Sat Feb 16, 2002 10:47:20 AM US/Eastern Subject: high currents kill handyboard? Hi, If this could be forwarded to the LUGNET group, I'd be grateful. as of yet I haven't gotten permission. (...) (23 years ago, 18-Feb-02, to lugnet.robotics.handyboard)
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| |
| | Re: RCX Dead??
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|
i think i shorted my RCX :( i was trying to connect a 9v 300mA adapter ti the battery tabs and the wires must have touched (i'm not sure what happened exactly) and now the thing doesn't switch on! :< i need help please! i'm not that good with (...) (23 years ago, 18-Feb-02, to lugnet.robotics)
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| |
| | Re: multiplexor and legOS
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|
I'm not sure if anyone is trying out my multiplexor patch, but thought I'd let you all know that I posted a new version which works better and solves some problems in the earlier revision. The patch is available in the legOS patch section on (...) (23 years ago, 17-Feb-02, to lugnet.robotics.rcx.legos)
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| | Re: BricxCC release 3.3.3.8
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|
hi John, everything seems to work fine now, I couldn't get it slowed down. A funny effect, everytime you start BricxCC, it sizes to the previous size, ok. Now opening a file (from the recent file list), BricxCC fills the whole screen. Thanks for the (...) (23 years ago, 17-Feb-02, to lugnet.robotics.rcx.nqc)
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| | Re: RCX Dead??
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|
(...) Also, there can be contact problems between the tabs and the circuit board. They are not soldered on, they only press against two square contact areas in the corners. If they are a little bent they can loose that contact, which happened to my (...) (23 years ago, 17-Feb-02, to lugnet.robotics)
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| |
| | This Week in Robotics
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|
Here is a list of upcoming events for the Week Feb. 17th - 23rd, 2002. Details of the events are on our web site at www.allaboutbots.com Sunday - Feb. 17th Central Illinois Area Robotics Club Monthly Meeting Monday - Feb. 18th Laboratory Robotics (...) (23 years ago, 17-Feb-02, to lugnet.robotics)
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| | Re: RCX Dead??
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|
(...) Definitely. I was having problems with my light sensor (this was before I was using legOS) - the 'test panel' in the Mindstorms software wasn't reading it, and the RCX just showed a boolean 1 on the light sensor port. So I called LEGO, and (...) (23 years ago, 17-Feb-02, to lugnet.robotics)
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| |
| | Re: power source
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|
hi matthias with two "t"s, hi list! (...) i didn't mean the mcu - it's obvious that the "digital part" (as i called it) has to be regulated to 5v. i meant before that: motor controllers, probably active sensors and the like. the point is this: the (...) (23 years ago, 17-Feb-02, to lugnet.robotics)
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| | Re: RCX Dead??
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|
You didn't indicate whether it is an old-style 1.0 RCX (external adapter) or not, so I'll asume it's a batteries-only unit. First of all, do you have any experience with electronics? The first thing I'd be looking at after a mechanical shock would (...) (23 years ago, 17-Feb-02, to lugnet.robotics)
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| |
| | Re: Bricks in my Pocket (BimP) now available!
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|
"Steven B. Combs" <stevencombs@yahoo.com> wrote in message news:GrAu1q.92B@lugnet.com... (...) The name Bimp made me giggle! Iain (23 years ago, 17-Feb-02, to lugnet.robotics)
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| |
| | Trilobite
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|
I really wanted the steerable shrimp to work out, it is so aesthetically pleasing as a design that it just seemed to the be Right Thing(tm). However, it required a LOT of motors, sensors etc. and if I geared it to climb it would only crawl along the (...) (23 years ago, 17-Feb-02, to lugnet.robotics)
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| |
| | RE: Lost my IR Tower - Scout SDK
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|
Marcelo, The download available from the Lego web site includes software for the Scout: (URL) Burton -----Original Message----- From: Marcelo R. Muzzio [mailto:m.muzzio@assistsa.com] Sent: 16 February 2002 3:03 a.m. To: lego-robotics@crynwr.com (...) (23 years ago, 16-Feb-02, to lugnet.robotics)
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| | Re: RCX Dead??
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|
Lego is usually pretty nice about replacing broken lego, far nicer than they are required to be. I dont know what theyll do about a broken RCX though. You should call consumer affairs (i dont know the number) and ask them. (...) (23 years ago, 16-Feb-02, to lugnet.robotics)
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| | RE: RCX Dead??
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|
Well I did do it and now I'm looking for help figuring out what broke on it or somewhere to buy it without paying $130US from lego. Thanks??? -----Original Message----- From: Hapalua@aol.com [mailto:Hapalua@aol.com] Sent: Saturday, February 16, 2002 (...) (23 years ago, 16-Feb-02, to lugnet.robotics)
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| |
| | Lost my IR Tower - Scout SDK
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|
Hi! I'm planning to build an ir tower with the schematics from Stef Mientki. I believe it should work with my scout brick. Does anybody know where I can download the scout SDK or the scout Tools ? It seems they where removed from the lego webseite. (...) (23 years ago, 15-Feb-02, to lugnet.robotics)
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| | Connecting a non-Lego motor with external battery to the RCX
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I need to connect a non-Lego motor to the RCX, and use an external power supply such as a 9V battery to drive the motor. Any suggestions as to how I should do this? (23 years ago, 16-Feb-02, to lugnet.robotics.rcx)
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| | RCX Dead??
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|
Hi I dropped my RCX on the floor (about 1m) Now it won't turn back on.anyone have any experience with this? Does anyone know lego's warranty? Thanks...this really sucks (23 years ago, 16-Feb-02, to lugnet.robotics)
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| |
| | Re: BricxCC release 3.3.3.8
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|
Hi John, I've played a bit with 3.3.3.8 release, and I didn't experience slowdown (it needs confirmation, but you seem to have fixed that!) The new installer went fine on my machine. I miss a feature: some mean to conveniently switch between open (...) (23 years ago, 16-Feb-02, to lugnet.robotics.rcx.nqc)
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| |
| | Re: Using USB Tower with Alternative Firmware
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|
Hi, AFAIK only the following changes need to be made to a COMM-driver to work with USB (Windows only): First of all the Lego-USB-Driver has to be installed (happens automatically when you install the MindStorms/RIS-software). (In Control Panel the (...) (23 years ago, 16-Feb-02, to lugnet.robotics.rcx)
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| |
| | Re: Good pictures of fortcoming Spybotics
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|
"Mark Koesel" <koesel@umich.edu> wrote in message news:GrLFqL.9p5@lugnet.com... (...) called 'Robo Gamers', so they have had quite a long gestation period. Then, they were coming out 2 in a set, presumably in order to battle with each other. Huw (23 years ago, 16-Feb-02, to lugnet.technic, lugnet.robotics)
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| |
| | RE: legOS help
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|
Where is your problem exactly ? nanobapt who have installed five time legOS on linux :-)) ---...--- "la cuillère n'existe pas" (URL) : 94470030 -----Message d'origine----- De : Kingsley Gifford [mailto:kgifford@thezone.net] Envoyé : samedi 16 (...) (23 years ago, 16-Feb-02, to lugnet.robotics)
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| |
| | Re: Lego Rotation Sensor Internals - and fix
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|
I have updated my Lego Rotation Sensor page to include informations transmitted by Dick Swan and Dan Walkowski. See (URL) and (URL) (bottom of page) Thanks to you both, Philo www.philohome.com (23 years ago, 16-Feb-02, to lugnet.robotics)
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| |
| | Re: BricxCC release 3.3.3.8
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|
(...) I'll let you know... (...) My sanity thanks you! (...) Thanks again! (...) You never fail to impress me with the speed of your updates. Don't tell my employers though, they'll expect the same from me. ;-) Matthias Jetleb (23 years ago, 16-Feb-02, to lugnet.robotics.rcx.nqc)
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| |
| | BricxCC release 3.3.3.8
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|
I am hesitant to announce that I've uploaded a new version of BricxCC to my website. This release comes in a full-featured install executable. As a result the download is a bit larger (i.e., 1.6MB). This release hopefully will fix the problems some (...) (23 years ago, 16-Feb-02, to lugnet.robotics.rcx.nqc)
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| |
| | FW: legOS help
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|
hi i'm having some problems installing legOS and hopefully someone can help i'm a bit new to unix (before the last couple weeks the most i'd ever done was check my e-mail when i was at school) since i got my mindstorms kit i've been using NQC (RCX (...) (23 years ago, 15-Feb-02, to lugnet.robotics)
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| |
| | Re: Good pictures of fortcoming Spybotics
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|
(...) Seems to be the same internals as this one and I think the red button is a on-off switch: (URL) reinvent the wheel) The gear seems to appear in gray also: (URL)Looks like they might be quite interesting... Personally I lend more and more to (...) (23 years ago, 15-Feb-02, to lugnet.technic, lugnet.robotics)
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| |
| | Re: Dissecting the RCX
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|
----- Original Message ----- From: "Rob Limbaugh" <rlimbaugh@ureach.com> To: <lego-robotics@crynwr.com> Sent: Friday, February 15, 2002 1:14 PM Subject: Dissecting the RCX (...) few (...) non-linearily, (...) RAM (...) as (...) monitored (...) (...) (23 years ago, 15-Feb-02, to lugnet.robotics)
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| |
| | Re: Good pictures of fortcoming Spybotics
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|
One thing that is interesting is how different the models look from the earlier pictures shown here: (URL) like the new 120 degree Y shaped half beams. "Huw Millington" <hmillington@cix.co.uk> wrote in message news:GrL7p2.8q9@lugnet.com... (...) (23 years ago, 15-Feb-02, to lugnet.technic, lugnet.robotics)
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| |
| | Re: Dissecting the RCX
|
|
"Rob Limbaugh" <lego-robotics@crynwr.com> wrote in message news:200202151814.NA...ach.com... (...) few (...) non-linearily, (...) RAM (...) as (...) Actually, it doesn't really matter what order you hook up the address lines (or data lines, for that (...) (23 years ago, 15-Feb-02, to lugnet.robotics)
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| |
| | Re: Good pictures of fortcoming Spybotics
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|
"Huw Millington" <hmillington@cix.co.uk> wrote in message news:GrL7p2.8q9@lugnet.com... (...) If the motor can be controlled by the RCX like the manas unit, all the more interesting! One of the robots looks like it comes with a new 36(?) tooth (...) (23 years ago, 15-Feb-02, to lugnet.technic, lugnet.robotics)
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| |
| | Good pictures of fortcoming Spybotics
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|
The pictures at (URL) the first we have seen, I believe, of the finished articles. One shot shows a good view of the IR control box with what looks like 5 buttons (L, R, Fwd, Back,. plus a trigger?) and a speed control. Looks like they might be (...) (23 years ago, 15-Feb-02, to lugnet.technic, lugnet.robotics)
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| |
| | Dissecting the RCX
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|
After looking up some component data sheets, I've found myself wondering a few things: 1) The H8/3292 pin 42 connects to the D43256B pin 23. According to data sheets, this is A6 from the H8 and A11 on the RAM. Both data sheets show address numbering (...) (23 years ago, 15-Feb-02, to lugnet.robotics)
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| |
| | Re: BricxCC release 3.3.3.7
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|
(...) This is great! I'm glad more than one user is experiencing this as that makes it more likely I'll be able to figure out the problem. Can any of you three who have reported this problem run a few tests for me? I haven't yet been able to (...) (23 years ago, 15-Feb-02, to lugnet.robotics.rcx.nqc)
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| |
| | Re: BricxCC release 3.3.3.7
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|
(...) Whoops. I totally screwed that up. I apparently put an old EXE in the ZIP file. I need to seriously improve my configuration management! :-) Sorry about the mixup. I'm not going to release again until I'm sure I've tracked down and fixed the (...) (23 years ago, 15-Feb-02, to lugnet.robotics.rcx.nqc)
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| |
| | Re: How communication is handled
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|
(...) (2 URLs) easier to remember :-) BTW, the RCX has a H8/3292 Keep a copy Jürgen (23 years ago, 15-Feb-02, to lugnet.robotics)
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| |
| | Re: power source
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|
(...) Actually, it is regulated (speaking as one who has had to replace the fuse that comes before the regulator). Think about it. It has to be. The batteries provide 9V, the MCU requires 5V. If it wasn't regulated, you'd kill it. There is also a (...) (23 years ago, 14-Feb-02, to lugnet.robotics)
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| |
| | Re: Re: Lost my IR tower
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Stef Mientki has also posted the information here: (URL) along with a wealth of other info! ___...___ Get your own "800" number (...) (23 years ago, 15-Feb-02, to lugnet.robotics)
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| | Re: Lost my IR Tower
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Stef (...) The IR LEDs are pulsed on and off at 30kHz - that's on top of the 2400bps serial signal. I had to remove that 30kHz signal. That's what the 100nF (on the base of the transistor) is for. The time-constant of the 100nF and the 470R has to (...) (23 years ago, 14-Feb-02, to lugnet.robotics)
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| | Re: Lost my IR tower
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Hi Thorn Family I would like to see the diagram. I'm told it's at (URL) can email it directly if it's not there. Peter (23 years ago, 14-Feb-02, to lugnet.robotics)
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| | Re: How communication is handled
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hi Rob, (...) here is some information about IR-tower/communication, also check Kekoa's site mentioned below (URL) (...) check the site of Kekoa (URL) (...) Stef Mientki (23 years ago, 14-Feb-02, to lugnet.robotics)
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| | RE: How communication is handled
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the better way to know how the IR work is the legOS kernel source. I read it and see that legOS use IRQ for transmiting and receiving message. When legOS receive a message he see first if the activity of the IR transmitter is not true. Then he call (...) (23 years ago, 14-Feb-02, to lugnet.robotics)
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| | How communication is handled
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Hello everyone! Does anyonk know what the RCX does with IR data it sees from the IR module when it is busy transmitting? I've set the RCX in a situation where I know the IR it was sending could be seen by it's own IR detector, yet it didn't appear (...) (23 years ago, 14-Feb-02, to lugnet.robotics)
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| | Re: Lost my IR Tower
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(...) It's probably easier to solder the wires on without the diodes. They could probably be put back on easily though. (23 years ago, 14-Feb-02, to lugnet.robotics)
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| | Single set Technic Power Pulling.
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FUT: lugnet.technic Hi! Here's yet another Tehnic genre booster! Challenge: Build a model that can pull as much load as possible using pieces from _only_one_ official LEGO set! One class for each set so you can all be winners, no matter what set you (...) (23 years ago, 14-Feb-02, to lugnet.technic, lugnet.announce, lugnet.build, lugnet.general, lugnet.robotics)
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| | Challenge: Technic Model of the Month!
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FUT: lugnet.technic Hi all! I've decided the Technic genre needs a boost so I have made a Technic model of the month competition/challenge similar to ldraw.org's MOTM & SOTM. Each month a winner will be elected by an e-mail voting process. For more (...) (23 years ago, 14-Feb-02, to lugnet.technic, lugnet.announce, lugnet.build, lugnet.general, lugnet.robotics)
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| | Re: Power to RCX
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(...) Yes, but any regulator would convert power uselessly into heat, probably too much if you use a much higher voltage and draw some current. It would be better to use higher voltage motor controllers directly (if they exist). And of course this (...) (23 years ago, 14-Feb-02, to lugnet.robotics.rcx)
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| | Re: Power to RCX
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(...) Utter nonsense until you destroy the controller itself. Remember, while the Lego motors can take a fairly substantial voltage without being destroyed, the same is not true of the motor controller within the RCX. There is a voltage limit for (...) (23 years ago, 14-Feb-02, to lugnet.robotics.rcx)
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| | Re: Palm IR to RCX
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"Till Harbaum" <lego-robotics@crynwr.com> wrote in message news:200202131831.g1....uka.de... (...) <<snip>>. (...) The remote is a one way only messaging scheme. It sends a "standard" RCX message of opcode 0xD2 and two data bytes. The two data (...) (23 years ago, 14-Feb-02, to lugnet.robotics)
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| | RE: power source
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Yeah, I used a multimeter and measured the 11.2V I'm going to go to my local electronic store and get all the parts (they have everything in stock) but why the 16v capacitor? -----Original Message----- From: Mathias Uhr [mailto:uhr@mathias.net] (...) (23 years ago, 14-Feb-02, to lugnet.robotics)
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| | Re: Lost my IR Tower
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hi Peter, Why did you remove the IR diodes ? I think it's not necessary, or am I missing something. It would even be nicer, if also the IR-sensor could be left in place, but I don't know the Lego circuit. Stef Mientki (...) (23 years ago, 13-Feb-02, to lugnet.robotics)
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| | Re: Lost my IR Tower
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Nice idea Peter !! I'll add it to my collection about the IR port of the RCX. At first I didnt see what your design could mean foe me, but .... This could be an alternative way to add "intelligent" sensors (for example through PIC or some other (...) (23 years ago, 13-Feb-02, to lugnet.robotics)
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| | Re: It came out too easily to be the first
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(...) Austin Robot Group. Lego's are a SMALL part of what this group has been working on for the last 12-13 years. Just ask Mark Thorpe of Robot Wars fame or Mark Pauline of SRL fame (we helped put on the '97 show here in Austin). (URL) robots were (...) (23 years ago, 13-Feb-02, to lugnet.robotics)
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| | Re: power source
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(...) What I meant when i said "unregulated" was a power supply without a 78xx in it. The power supply that I am using consists of a transformer, rectifier (4 diodes) and a 4700uf cap. This means that while it does give a clean voltage, that voltage (...) (23 years ago, 13-Feb-02, to lugnet.robotics)
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| | RE: power source
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In reference to (URL) have an old transformer from a tape deck that produces 11.2V AC. (I just checked it). Can I build the circuit on the above page and use this transformer? Or do I need to get one that produces DC. thanks -----Original (...) (23 years ago, 13-Feb-02, to lugnet.robotics)
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| | Palm IR to RCX
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Hi list, about a week ago i got a ris 2.0 and have spent some time to write some communication routines for infrared communication between the rcx and my palms. I've so far been very successful and a first test software is available at (URL) (...) (23 years ago, 13-Feb-02, to lugnet.robotics)
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| | Re: firmware & NQC - free?
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This is my dilemma: I work for an organization that encourages schools to teach engineering through the RIS using NQC. I'm creating very detailed instructions on how to install NQC and using firmware, etc. Now since this is a package of information (...) (23 years ago, 13-Feb-02, to lugnet.robotics.rcx.nqc)
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| | Re: firmware & NQC - free?
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Yes, it is available here (URL) (along with a firmware download program - this one is Windows only) Philo www.philohome.com (...) (23 years ago, 13-Feb-02, to lugnet.robotics.rcx.nqc)
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| | Problems with link fixed (I hope)
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The link probably would have been helpful to all of you if I would have started that particular site service on the web server... My apologies... (...) ___...___ Get your own "800" number Voicemail, fax, email, and a lot more (URL) (23 years ago, 13-Feb-02, to lugnet.robotics)
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| | firmware & NQC - free?
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Is there a firmware version available that I can get for free that will work with NQC on any platform (Mac, Win, Linux)? Thanks Jenny (23 years ago, 13-Feb-02, to lugnet.robotics.rcx.nqc)
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| | Re: linux USB driver.
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Hi Hans, I think 2.4.9 is too old, but you may try to just remove the MODULE_LICENSE stuff. Jürgen (...) (23 years ago, 13-Feb-02, to lugnet.robotics.rcx.legos)
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| | Re: posting to lugnet mail list
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(...) you need to fill out the news posting setup at (URL) it's for the newsgroups, but that's what the LUGNET discussions server is - a web (and mail) interface to a news server. HTH! :) Dan (I'd FUT to .admin.nntp, but you can't post there yet) (23 years ago, 13-Feb-02, to lugnet.robotics)
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| | Re: Power to RCX
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(...) Yeah!!! That's exactly what I wanted to know! (Aka "How to connect RCX for dummies" (that's what I am - electronics isn't hobby of mine) Thanks a lot! Have a nice day Rob (23 years ago, 13-Feb-02, to lugnet.robotics.rcx)
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| | Re: Brickshelf gallery for Jump-O-Bot
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(...) Cheers Bob, I have applied. Nice heads up. (23 years ago, 13-Feb-02, to lugnet.technic, lugnet.robotics, lugnet.build, lugnet.cad)
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