 | | Assembly Language Programming on the RCX
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I'm interested in programming the RCX in assembly. I'm trying to get total control over the hardware in the manner I'm most familliar with. Everyting I've seen so far seems to use higher level languages (Java/variants of C/etc.) Does anyone know of (...) (23 years ago, 14-Jan-02, to lugnet.robotics.rcx)
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| | Re: Some remarks / questions about Brixcc
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some other remarks (version 3.3.3.2) 1. when loading a large program, Brixcc gives an error message "Program execution timed out, try ..", although the downloading still continues and will finish correctly. 2. when downloading an even larger program (...) (23 years ago, 13-Jan-02, to lugnet.robotics.rcx.nqc)
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| | Some remarks / questions about Brixcc
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hi John, some remarks / question about Brixcc (I used versions 3.3.2.13 and 3.3.3.2) 1. "Watching the Brick" only polls when the window has focus. I use it often in combination with the direct control and then I have to be continously aware if the (...) (23 years ago, 13-Jan-02, to lugnet.robotics.rcx.nqc)
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| | TechTV features Mindstorms robot
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All -- I was on TechTV demonstrating my Mindstorms-based Rubik's Cube solving robot last Novemeber. I just found out that there's streaming video of the event on the web. So, if you want to see CubeSolver in action, go to (URL) click the red "Video (...) (23 years ago, 13-Jan-02, to lugnet.mediawatch, lugnet.robotics.rcx, lugnet.robotics)
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| | Re: Measuring robot turn angle
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Wanted to thank everybody for replies. I ended up attaching an 80-tooth gear to the rear axle (wheels are on the front set) after extending the axle. The rotation sensor is mounted on the chassis outside with an 8-tooth gear meshing to the other (...) (23 years ago, 13-Jan-02, to lugnet.robotics.rcx.legos)
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| | Re: Dave Chen's Function List
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(...) Message 1001, in case anyone was wondering. Better yet: (URL) been looking for something like this as well, so thanks for pointing me in that direction. Is there a more recent version? -- David Schilling (23 years ago, 13-Jan-02, to lugnet.robotics.rcx.legos)
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| | Two Servo motor Conteroler available !
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Two servo motor control for RCX available now. Mindsensors has developed a two servo motor control for the RCX. This interface works on IR message Sent from RCX. It can control tow servo motors with ~2 degree resolution, and can move from 0 to 180 (...) (23 years ago, 11-Jan-02, to lugnet.robotics.rcx)
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| | Re: MacNQC can't open the #include file
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(...) Hi John, I've just uploaded MacNQC 2.2.4 which fixes the #include problem. You need to have the include file in the same folder as the source file. Have Fun, Rob Bate (URL) (23 years ago, 12-Jan-02, to lugnet.robotics.rcx.nqc)
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| | Re: newbie
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NQC is intended to write programs that run on programmable bricks (RCX, Cybermaster, and Scout). The 9751 is more like a peripheral for the host computer, so you'd need some tool that writes programs that run on the host. I think I've seen (...) (23 years ago, 12-Jan-02, to lugnet.robotics.rcx.nqc)
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| | newbie
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Hello everybody, I`m just starting to use Lego Dacta products and I have one doubt: can I use NQC with other lego interfaces such as the 9751 kit, or does NQC only work with RCX? I need to know that becuase here in the University we still don`t have (...) (23 years ago, 11-Jan-02, to lugnet.robotics.rcx.nqc)
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| | Re: Mac version
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(...) If you are talking about Lejos, there has recently been a success report for Mac OS X. Replace gcc by cc in the Makefile and compile from source. If you succeed please post a diff with your modifications. Jürgen (23 years ago, 11-Jan-02, to lugnet.robotics.rcx.java)
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| | Mac version
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Subject speaks for itself. Is there a Mac port? (23 years ago, 11-Jan-02, to lugnet.robotics.rcx.java)
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| | USB Serail convertor woes with 2.5 on a Mac
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Hi, I have 2.5 installed on a iBook running OS9.2.2 with both a Belkin USB serial convertor and a Xircom convertor. The latter can download the firmware, but the former errors after only 4% download. I am using RCX 1.0 from the Team Challenge kit (...) (23 years ago, 11-Jan-02, to lugnet.robotics.rcx.robolab)
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| | Re: Configuring LegOS with USB tower under Win2K.
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Hi Aaron, Thanks for your quick reply. Thank you for the USB fix. I have also done as you suggested and altered the path under #NT - I forgot the drive letter should have been specified //x where x is the drive, C:, D: etc. I have now eliminated (...) (23 years ago, 10-Jan-02, to lugnet.robotics.rcx.legos)
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| | Re: Configuring LegOS with USB tower under Win2K.
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Thanks for your interest Dave. The source for the USB tower Win2k patch is located at anonymous ftp://134.29.51.4 I can also give you one hint to get you going on configuring legos for cygwin. The most problems I have had are with the (...) (23 years ago, 10-Jan-02, to lugnet.robotics.rcx.legos)
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| | Automatic train switching with RCX
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Dear all, we've built an automatic train switching mechanism using the RCX. It detects trains using reed contacts (cheap devices sensitive to magnets) and switches two points so that the train stops and another one departs instead. We've tried to (...) (23 years ago, 10-Jan-02, to lugnet.robotics, lugnet.robotics.rcx, lugnet.trains)
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| | Re: Measuring robot turn angle
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(...) Another option would be to connect a single rotation sensor directly to the motor that turns your robot. (you may wish to gear it down) You could not detect the distance forward or backward (from the other motor), but you could calculate the (...) (23 years ago, 10-Jan-02, to lugnet.robotics.rcx.legos)
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| | Re: Measuring robot turn angle
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(...) I have done this, although not with a differential. My solution used a rotation sensor on each axel, and good navigation can be done with that. Since you can guarantee that both axels turn the same amount, a single rotation sensor should be (...) (23 years ago, 10-Jan-02, to lugnet.robotics.rcx.legos)
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| | Re: Measuring robot turn angle
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(...) Robert, I have been playing with this problem a bit. Another approach is to power each tread with a separate motor, use a differential assembly to add the shaft rotation from both sides and use a rotation sensor to 'control' to a zero (...) (23 years ago, 10-Jan-02, to lugnet.robotics.rcx.legos)
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| | Re: USB, Windows, legOS
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Hi Don and Aaron, Any chance of sending me the patches for the USB Tower to work under Cygwin. I may be able to help get the patches working. I have some experience with Win95/98/2K. Dave W. (...) (23 years ago, 9-Jan-02, to lugnet.robotics.rcx.legos)
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