 | | technic turntable mould difference
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Hello, I'm building a very solid turntable base, and found a problem with one of the turntables I bought via bricklink. All the turntables I have used to have little dents at the base, also at the side which has the three bottom mounting holes. But, (...) (23 years ago, 26-Nov-02, to lugnet.robotics, lugnet.technic)
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| | RE: "real" LEGO Hovercraft ? (with/without batteries/RCX "onboard")
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Hi Chris, :) (...) I have that set. That was one of the first tests I did when I got it. It's my only ZNAP set. I bought it because of the motor, the flex and those wheel/"turbine". From what I remember, it doesn't work that well. It's too tiny. It (...) (23 years ago, 26-Nov-02, to lugnet.robotics)
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| | Polling sensor values with wait_event
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Hello all, Is it true that the wakeup function is only checked once every timeslice and only for the process that has the highest priority and is at the front of the priority chain? For example, a process k is waiting on the wakeup function y wich (...) (23 years ago, 26-Nov-02, to lugnet.robotics.rcx.legos)
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| | RE: Newbie has an idea - Nascar style racing?
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(...) How about blocking the illumination LED and using the LEGO LAMP for illumination? (...) This eliminates one more color/pattern for the RCX to look for, probably a good thing. How would this relate to determining winner of a race? (...) The (...) (23 years ago, 26-Nov-02, to lugnet.robotics)
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| | Re: "real" LEGO Hovercraft ? (with/without batteries/RCX "onboard")
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(...) I'd be interested in knowing how this works. The ZNAP green helicopter set (which I got three of last year at $9 each!) had some little round turbine-like parts, basically a ducted fan. Never tried them out to see if they're actually (...) (23 years ago, 26-Nov-02, to lugnet.robotics)
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| | "real" LEGO Hovercraft ? (with/without batteries/RCX "onboard")
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Ok, so we have the 4, 3 and 2 (LegWay :) wheel bots... and the 8, 6, 3, 2, 1(?) leg BOTs. ...but, what about a 0 (zero) Wheel / Leg Bot ? Ok, there's the pseudo-flying bots :)) but, apart from some trials with blimps (helium balloons?) and (...) (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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(...) THe thing we couldn't understand was how you'd managed to make the helicopter fly forwards and backwards. We'd assumed you had some amazingly clever cyclic pitch adjustment in the rotor head (which looks complicated enough to maybe do (...) (23 years ago, 26-Nov-02, to lugnet.robotics)
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| | USB Tower in Linux
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Hi! How can I use the USB Tower in Linux, especially with leJOS? greetings, Raphael (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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Hi Steve, (...) not refill their own cartridges. (...) brick corner during a crash. Here in Italy, Mario Ferrari printed a beautiful (but very expensive) track that we regularly use for our Gran-PRIS competitions. It's 200x250 cm wide with borders (...) (23 years ago, 26-Nov-02, to lugnet.robotics)
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| | Re: Another cement mixer......
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(...) I will do. Dennis (23 years ago, 26-Nov-02, to lugnet.technic, lugnet.robotics, lugnet.general, lugnet.modelteam, lugnet.loc.it)
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| | 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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