 | | A Really Cool MOC - Air Powered Air Propelled
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Hey fellas, Here's a really cool MOC, literally: (URL) by fellow engine-building fanatic, Paul Krieg, whose creations are amazing to say the least. It's the first of a new class of vehicles - an APAPV for sure. We could organise a competition for (...) (23 years ago, 26-Nov-02, to lugnet.robotics, lugnet.technic) !
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| | Re: compass sensor
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the 2° come from here (URL) this one hasn't been modified to be useable with the RCX I know about the one from hitechnicstuff, but it's not accurate enough: "The heading is calculated about 6 times per second and has an accuracy of approximately 5 (...) (23 years ago, 26-Nov-02, to lugnet.robotics)
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| | Re: Another cement mixer......
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(...) Hi Dennis, This model, built in collaboration with my frien Fabio Sali is fully operational as you specified, but naturally, due to the weigh (4/4,2 Kg) there's a problem .. it's very slow. Thank to Fabio suspension setup, and a good downgear (...) (23 years ago, 26-Nov-02, to lugnet.technic, lugnet.robotics, lugnet.general, lugnet.modelteam, lugnet.loc.it)
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| | Re: compass sensor
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(...) I don't know about the two degrees, but Hitechnic has a nice digital compass. 100 levels will give 3.6 degrees per count, assuming a perfect world - no nearby magnetic sources (motors being a good one) and no disturbances in the earth's (...) (23 years ago, 26-Nov-02, to lugnet.robotics)
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| | Re: compass sensor
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(...) Look here: (URL) C S Soh CSSoh's Lego Pneumatics (URL) where air is power! (23 years ago, 26-Nov-02, to lugnet.robotics)
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| | Re: compass sensor
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(...) Ther is a compassensor here: (URL) I don't know about the accurasy of it. (23 years ago, 26-Nov-02, to lugnet.robotics)
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| | Re: Line following algorithms
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(...) Dave Baum's Definitive Guide gives a good treatment for the case of a single light sensor. However, to follow a line as opposed to "edge following" with elegance and ability to negotiate sharp 90-degree bends requires two light sensors as was (...) (23 years ago, 26-Nov-02, to lugnet.robotics)
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| | compass sensor
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Hello! Is there a very accurate (max. +/-2°) compass sensor that can be used with the RCX? THANKS! Raphael (23 years ago, 26-Nov-02, to lugnet.robotics)
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| | Re: Page down
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(...) (23 years ago, 26-Nov-02, to lugnet.robotics.rcx.nqc)
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| | Re: Problem with DIY Spybotics SDK...
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Mark, Following your suggestion, I just removed the path information, as regsvr32 is always in a pathed system directory. C:\Program Files\LEGO Software\LEGO Mindstorms SDK\Bin\reg.bat now reads: regsvr32.exe vpbcom.dll instead of: (...) (23 years ago, 26-Nov-02, to lugnet.robotics)
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| | Re: Newbie has an idea - Nascar style racing?
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I'm constructing an oval track on a 4X8 sheet of plywood with a different grey tone for the inside and outside of the track. I will experiment with tones and thickness. There will be a "barcode" to indicate upcomming corners, this will act as a (...) (23 years ago, 26-Nov-02, to lugnet.robotics)
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| | Re: Newbie has an idea - Nascar style racing?
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(...) does not refill their own cartridges. Paper won't (...) Partially why it is expensive. The fact that it is easily damaged makes maintennance that much more expensive. Not to mention constant replacing of paper track would eat up valuable event (...) (23 years ago, 26-Nov-02, to lugnet.robotics)
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| | Re: Helicopter was Re: Newbie has an idea
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Hi Steve and everyone else, I'm working on a Lugnet page with more information on my helicopter but in the mean time, here are the photos: (URL) you can see, I use a low-torque, hi-rpm motor with a non-lego rotor. The rotor, by the way, came from a (...) (23 years ago, 26-Nov-02, to lugnet.robotics)
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| | Re: Problem with DIY Spybotics SDK...
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Nope, not the case. I never installed the SDK until I went to do this, and I let it take all the defaults. ----- Original Message ----- From: "Mark Riley" <markril@hotmail.com> To: <lego-robotics@crynwr.com> Sent: Monday, November 25, 2002 6:30 PM (...) (23 years ago, 26-Nov-02, to lugnet.robotics)
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| | Re: On LEGO Compressors & Pump Testing
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(...) Or 4 hand pumps, like I used to power my v4 engine: (URL) H Nielsen (23 years ago, 26-Nov-02, to lugnet.robotics, lugnet.technic)
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| | Re: Newbie has an idea - Nascar style racing?
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(...) This makes robots have to depend much more on dead-reckoning. If you are steering (say) 10% too much - then that error will build up without limit. You'd come out of a 90 degree turn with a 9 degree error - but unless you have two light (...) (23 years ago, 26-Nov-02, to lugnet.robotics)
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| | Re: Problem with DIY Spybotics SDK...
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I did a little more poking around and found out the reg.bat file in the SDK Bin directory is supposed to register the COM server vpbcom.dll. The batch file assumes the Windows install directory is "\windows\..." which could be bad if you installed (...) (23 years ago, 25-Nov-02, to lugnet.robotics)
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| | Re: Newbie has an idea - Nascar style racing?
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(...) > stay down unless taped, and it could be torn easily with a brick corner during a crash. I guess so - but it's easily repaired and highly reproducible. (...) > and paint are cheap and universally available. They are pretty easy to line up (...) (23 years ago, 25-Nov-02, to lugnet.robotics)
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| | Re: RCX and batteries
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(...) [cut & pasted] (...) from - (...) [here it is] (...) port? (...) current (...) A 4-diode rectifier bridge converts AC to DC (and will sort out polarity problems), but it's not constant voltage DC (it's both halves of the AC sine wave above the (...) (23 years ago, 25-Nov-02, to lugnet.robotics)
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| | Re: Newbie has an idea - Nascar style racing?
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(...) Even two A4 sheets would make for rather tight turns if it's going to fit together like a jigsaw. ---...--- Steve Baker ---...--- HomeEmail: <sjbaker1@airmail.net> WorkEmail: <sjbaker@link.com> HomePage : (URL) : (4 URLs) (23 years ago, 25-Nov-02, to lugnet.robotics)
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