 | | Re: Newbie has an idea - Nascar style racing?
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I've considered that concept, but I wanted to avoid a variation of line following. In real racing, drivers go full throttle until a specific braking point. the faster riders generally brake later without screwing up the corner By defining the (...) (23 years ago, 22-Nov-02, to lugnet.robotics)
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| | Re: Motor speed
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(...) may "drift" slowly. But you can block it with the clutch gear, then it needs real some motor force to turn. Jürgen (23 years ago, 22-Nov-02, to lugnet.robotics)
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| | Re: Newbie has an idea - Nascar style racing?
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Here's an interesting idea from Gus Jansson for that type of track: (URL) allows you to maintain a smooth line around the course, but not all 'cars' have to follow the same line. You have to be carefull not to get to close to the inside, or (unless (...) (23 years ago, 22-Nov-02, to lugnet.robotics)
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| | Re: which kit 1.5, or 2.0
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The sets are fairly similar in terms of pieces and hardware. The major difference is the RIS 2.0 software, which, if you are planning to use the Linux tools, doesn't really matter to you. I say go 1.5 you can find great deals on them currently. Hope (...) (23 years ago, 22-Nov-02, to lugnet.robotics)
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| | Re: Motor speed
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(...) I think in RCX you get 100 levels. We use JCX which gives us 255 levels. Either one should be plenty. Bruce ------- WWW.SYSTRONIX.COM ---...--- Real embedded Java and much more High speed 8051 systems +1-801-534-1017 Salt Lake City, USA (23 years ago, 22-Nov-02, to lugnet.robotics)
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| | Re: Motor speed
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(...) Trying to adjust the power settings probably won't work - not only do the motors vary slightly, but also their performance varies with the battery life. But with Mindstorms there are usually several different ways of overcoming any particular (...) (23 years ago, 22-Nov-02, to lugnet.robotics)
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| | Re: Newbie has an idea - Nascar style racing?
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One idea that I always wanted to persue was autonomus car racing, nascar style. I thought of setting up a small oval on a 4x8 sheet of plywood and marking the entrance to the corners in one shade, inside boundries(3' from the wall) in a second shade (...) (23 years ago, 22-Nov-02, to lugnet.robotics)
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| | Re: articulation points?
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"Steve Baker" <lego-robotics@crynwr.com> skrev i meddelandet news:3DDC4185.404050...ail.net... (...) Agreed. (...) Not agreed. In mathematics (and statistics is just a part of math), you are not limited to 3D space, and higher spaces need more (...) (23 years ago, 21-Nov-02, to lugnet.robotics)
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| | Re: Motor speed
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(...) I figgered that was the case. <sigh> (...) At the moment, it doesn't interfere with anything, as I am just starting to build things and am just now building the roverbot and going through the various "challenges". I'll keep those in mind (...) (23 years ago, 22-Nov-02, to lugnet.robotics)
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| | Re: Motor speed
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Quoting Brass Tilde <brasstilde@insightbb.com>: (...) Yes. If you are using multiple motors to drive a small robot one way to compensate is with rotation sensors, or use a single motor and a differential to get the robot to drive straight. Or maybe (...) (23 years ago, 22-Nov-02, to lugnet.robotics)
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| | 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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