 | | Motor speed
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I've just gotten my RIS 2.0, and I've noticed that the two motors appear to operate at slightly different speeds. Is this something that is usual, or am I looking at something that deserves replacement. I can live with the "suck it up" option, it (...) (23 years ago, 22-Nov-02, to lugnet.robotics)
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| | which kit 1.5, or 2.0
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Hi, I'm new to the list, and to lego robotics for that matter. I am looking to buy one of the kits but would like to be able to use all the linux programming tools available. What are the differences between the 1.5, and 2.0 kits? (23 years ago, 22-Nov-02, to lugnet.robotics)
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| | Re: On LEGO Compressors & Pump Testing
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(...) couple of years ago and used to think that the large one was the only option. (the 8868 Airtech Claw Rig was not properly advertised in the US and I didn't hear about it until 2000) However, there is a pack of two available on the Dacta (...) (23 years ago, 22-Nov-02, to lugnet.robotics, lugnet.technic)
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| | Re: additions to RIS
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(...) Extreme Creatures is a waste of money. I got mine for $20 and I'm still angry. $5 should be more like it. -- The proposed Microsoft settlement is not a hand slap, it's a finger slap. Dr. Julian "a tribble took it" Gomez ** (URL) (23 years ago, 22-Nov-02, to lugnet.robotics)
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| | Re: On LEGO Compressors & Pump Testing
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(...) I understand why compressors using large pumps are still around - many people simply don't have the little ones. Whereas they are likely to own the large pump which comes along with the Technic pneumatics sets (except 8868 which includes a (...) (23 years ago, 22-Nov-02, to lugnet.robotics, lugnet.technic)
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| | Re: articulation points?
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(...) Exactly. Another way to look at DOF is that it is the number of things that have to be specified to define a particular configuration of the system. In other words how many RCX outputs does it take to drive. Another thing to keep in mind is (...) (23 years ago, 22-Nov-02, to lugnet.robotics, lugnet.build.mecha, lugnet.technic)
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| | Re: Books on Vision Command and Image Processing
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If Vision Command works like Lego RoboLab's image processing software, then look at: (URL) RoboLab software can use the Vision Command hardware. For more on RoboLab, look at: (URL) general image processing, look at: (URL) Vision (URL) Vision Maybe (...) (23 years ago, 22-Nov-02, to lugnet.robotics.vc)
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| | Re: LNP-problem...
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That looks ok to me. But I'm no expert on LNP. Here's a clip I use. It looks a lot like what you're using. It seems there may be a problem with your receive code. I'm REAL shaky on that. What does fputs do? ---- char *s; s = "101"; if (strlen(s)>0) (...) (23 years ago, 21-Nov-02, to lugnet.robotics.rcx.legos)
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| | BrickOS - RCX has problems turning ON
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Hi, I have two RCX's (from v1.5 kits) bought about a year apart. The newer one has no problems with BrickOS, the older one will only work using the slow transfer speed and does not turn on easily after the BrickOS firmware is loaded onto it. Usually (...) (23 years ago, 21-Nov-02, to lugnet.robotics)
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| | Sony Infra Red HandyBoard Transmission
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Has anyone successfully modified the sonyxmit.asm driver on page 267/268 of Fred Martin's publication: Robotic Explorations? I've been trying to modify the driver so that it will communicate with a Sony TV, so far without success. In the book Fred (...) (23 years ago, 20-Nov-02, to lugnet.robotics.handyboard)
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| | Re: articulation points?
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Date : Thu, 21 Nov 2002 16:23:22 +0000 This is just like anything else in the world....it is all realative to what your trying to prove. If you are talking about DOF for the entire object if would have 3. (x,y,z) If you look at single peices of an (...) (23 years ago, 21-Nov-02, to lugnet.robotics)
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| | Re: LNP-problem...
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(...) ok this is the (relevant) code running on the rcx: int main(int argc, char *argv[]) { char *p; init(); execi(&PacketWatcher, 0, NULL, PRIO_NORMAL, DEFAULT_STACK_SIZE); execi(&Messenger, 0, NULL, PRIO_LOWEST, DEFAULT_STACK_SIZE); return 0; } (...) (23 years ago, 21-Nov-02, to lugnet.robotics.rcx.legos)
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| | Books on Vision Command and Image Processing
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Hi, Does anybody know of any books on Vision Command at all. Especially any books at the level of David Baum's or Bagnall's on Mindstorms. I am really interested in detailed image processing with Vision Command. Thanks, Jon (23 years ago, 21-Nov-02, to lugnet.robotics)
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| | Vision Command Books
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Hi, Does anybody know of any books on Vision Command at all. Especially any books at the level of David Baum's or Bagnall's on Mindstorms. I am really interested in detailed image processing with VC. Thanks, Jon (23 years ago, 21-Nov-02, to lugnet.robotics.vc)
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| | Spybots IR Comm
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Hi, I buyed a Spybot short time ago and started to try programming it with BricxCC and NQC. From the software included in the spybot-package I know, that spybots can send IR messages to each other in order to get the other bots´ position. My (...) (23 years ago, 21-Nov-02, to lugnet.robotics.spybotics)
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| | iPAQ <-> RCX serial communication
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Hello People I am working on a project where we are trying to use a compaq handheld with linux and a wireless card as the "brain" of robots. "Underneath" we have an RCX acting as a "spine", which is supposed to receive macro commands from the PC and (...) (23 years ago, 21-Nov-02, to lugnet.robotics.rcx.java)
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| | Re: articulation points?
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(...) I was under the impression that a 6 head video recorder was a marketing concept, i.e. it has 4 video heads and 2 audio heads, so in this case (all things being equal) it would be exactly the same as the 4 head one. This is really what I've (...) (23 years ago, 21-Nov-02, to lugnet.robotics)
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| | Re: articulation points?
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(...) Here I go, tossing my 2 cents in to the fray: I would say that any differential drive on a flat surface has 3 DOF: -Assume it drives along the X axis (thats 1) -it can rotate around the Z axis (2 now) -once it rotates it can drive along the y (...) (23 years ago, 18-Nov-02, to lugnet.robotics, lugnet.build.mecha, lugnet.technic)
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| | Re: Another cement mixer......
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Andrea, Excellent model! Nice to see someone else also constructed a mixer truck. Seems that your model is fully operational. Did you have to cope come difficulties with the drumm? (shape, connection, motorization etc.). I'm curious to your next (...) (23 years ago, 21-Nov-02, to lugnet.technic, lugnet.robotics, lugnet.general, lugnet.modelteam, lugnet.loc.it)
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| | Re: Motor Control Register (0xf000)
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(...) It's the one I meant, thanks. Jürgen (23 years ago, 21-Nov-02, to lugnet.robotics.rcx, lugnet.robotics.rcx.legos)
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