 | | Re: brickOS & GNU Pascal (update)
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(...) Pascal/OOP definitely adds a bit of overhead. It is possible that some of that overhead could be lessened by tweaking the Pascal headers. I'm going to fiddle a bit with a couple of different approaches to see what works best now that I have a (...) (23 years ago, 1-Nov-02, to lugnet.robotics.rcx.legos)
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| | Re: Jamocklaquat - Spine Segment 1
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(...) Thanks, it was fun testing it and being able to give you a real answer. (...) I took apart the Praying Mantis. I am using the Blue Technic from the Legs and frame. So in reusing the Bulk of the material from the legs I was able to make what (...) (23 years ago, 1-Nov-02, to lugnet.robotics)
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| | HB DC Motors
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Please help me. All the commands from IC to HB work fine.e.g. analog test, digital test, printf to LCD, etc. But, when I write the command "beep();" the board makes a continuous noise and freezes up. IC reports "board not responding. Same thing (...) (23 years ago, 1-Nov-02, to lugnet.robotics.handyboard)
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| | Definitive Guide, 2nd Edition
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Some shameless self-promotion... The 2nd edition of Definitive Guide to Lego Mindstorms has just been published. Most of the RCX Code programs have been updated to take advantage of 2.0 features, and there are some new RCX Code programs as well. (...) (23 years ago, 1-Nov-02, to lugnet.robotics)
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| | Re: brickOS & GNU Pascal (update)
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(...) Great work John! Do you have any comparisons of executable sizes between C/C++ and Pascal/OOP? ROSCO (23 years ago, 1-Nov-02, to lugnet.robotics.rcx.legos)
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| | Re: Jamocklaquat - Spine Segment 1
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A very concise answer, although it still seems like a miraculous piece of engineering. I'm surprised the motor can handle so much arm weight. Thanks for the extra pics. A side question, which may have been asked before, how did you get so much (...) (23 years ago, 1-Nov-02, to lugnet.robotics)
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| | swarming robots born from StarLogo
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StarLogo "Developed ...at MIT ...with support from ...the LEGO Group" might give us a clue about the future of LEGO robotics controllers and programming even though it does not appear to currently work with any LEGO product. The full quote comes (...) (23 years ago, 31-Oct-02, to lugnet.robotics)
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| | Ahem... wrong links.... RE: Please suggest which RIS version is good
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David Schiling pointed out to me that I typed the links wrong to my instruction pages... (URL) about that.. -----Original Message----- From: Rob Limbaugh Sent: Wednesday, October 30, 2002 11:17 PM To: Arja, Veerababu; lego-robotics@crynwr.com (...) (23 years ago, 31-Oct-02, to lugnet.robotics)
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| | Re: Announcing LegWay, Finally
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(...) task, but you succeded in making your robot even follow a line. Quite an impressive job, another barrier has been pulled down. Ciao Mario (23 years ago, 31-Oct-02, to lugnet.robotics)
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| | Re: Jamocklaquat - Spine Segment 1
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(...) 9jamocklaquat1 (URL) high can jama lift it's Arm? Hmmm, let's see. I ran these tests and the results show it can reach this high before the Worm Gear makes a nice "Krrrrpack" Sound. 9jamocklaquat2 9jamocklaquat3 (URL) the side it looks pretty (...) (23 years ago, 31-Oct-02, to lugnet.robotics)
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| | Re: Jamocklaquat - Spine Segment 1
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Ok, this may be a silly question but.....Jamocklaquat must be immensly heavy, how do you go about giving motors enough power to actually move elements such as the arms (from the shoulder) or the spine with the wieght of the body on it? I noticed a (...) (23 years ago, 31-Oct-02, to lugnet.robotics)
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| | Re: Please suggest which RIS version is good
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I think you may be right about the software differences-- like I said, I've only used 2.0. Still, if you can get a good deal on an older version, grab it. Remember, you can upgrade to the 2.0 software for only $20 (search shop.lego.com for "2.0 (...) (23 years ago, 31-Oct-02, to lugnet.robotics)
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| | Re: Please suggest which RIS version is good
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One should also consider their current/future computer system configuration. Windows 95: Older versions of Win95 do not support USB. Check (URL) for more details and how to determine if your version of Win95 and USB limitations. If your version (...) (23 years ago, 31-Oct-02, to lugnet.robotics)
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| | Air Pressure sensor available.
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Techno-stuff is pleased to announce a new Air Pressure sensor. The sensor is compatible with the Lego Mindstorms robotic system. It measures 0-200 KiloPascals (0-29 PSI) which matches typical usage of the Lego air system. The sensor is housed in a (...) (23 years ago, 31-Oct-02, to lugnet.robotics)
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| | Re: Please suggest which RIS version is good
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Generall, I think they are all good. 2.0 software is somewhat improved (I haven't used the older versions, so I can't say precisely how much), and each kit includes slightly different pieces, but I think the differences are fairly minor. The one (...) (23 years ago, 31-Oct-02, to lugnet.robotics)
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| | brickOS & GNU Pascal (update)
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If anyone is at all interested, I have a completed porting the brickOS headers to a set of Pascal units. At present, I have successfully written Pascal versions of essentially all the C and C++ demo files - including TrailerBot. I've also written a (...) (23 years ago, 30-Oct-02, to lugnet.robotics.rcx.legos)
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| | Re: Guidance, Advice, etc
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(...) I'd say go for it. Ultimate Builders set has an extra motor, a touch sensor and some pneumatics, and the projects are also nice, though only on CD. Vision Command is a web cam with studs, and there are a few nice pieces in it. In leJOS people (...) (23 years ago, 30-Oct-02, to lugnet.robotics)
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| | Jamocklaquat - Spine Segment 1
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Hey all, I snapped some more gooder mo betta Jama-rama spine pix: Overall (URL) Loop'd-Loo - Mechanical Spine Cam Actuation - (URL) Eye Lights by John Barnes' hitechnicstuff.com (Thank You!!!) (URL) Duty Worm Table (URL) High RPM 9V Motors are (...) (23 years ago, 30-Oct-02, to lugnet.build.mecha, lugnet.technic, lugnet.robotics)
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| | Re: Problem with auto-steering mechanism.
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(...) Ahhh. I see your point now. Independent of what the back wheels are doing, you still want a bias in the front wheel itself to go straight rather than spinning in place. Otherwise, all the power could just as easily spin the front wheel in (...) (23 years ago, 30-Oct-02, to lugnet.robotics)
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| | Re: Problem with auto-steering mechanism.
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(...) That's *not* entirely obvious. There is a tradeoff between ease of twisting of the turntable and ease of slippage in forward drive. A nice chunky tyre with tons of grip is hard to twist - which makes the robot drive forwards better without (...) (23 years ago, 30-Oct-02, to lugnet.robotics)
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