 | | OT: World's first 3-ball robot juggler
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This is a bit off-topic, but the videos are really cool. (URL) MIME ATTACHMENTS DISCARDED: 1. Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Content-Length: 640 (25 years ago, 19-Dec-00, to lugnet.robotics)
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| | Re: Tilt Sensors
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(...) Yes - exactly - that was my plan - keep the pendulum in the center - even when intentionally turning. I think that actually makes the software quite a bit simpler. I started off with a pendulum which was black on one half and white and the (...) (25 years ago, 19-Dec-00, to lugnet.robotics)
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| | Re: Tilt Sensors
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(...) I had some success with a pendulum blocking a light sensor - and also with a pendulum swinging from an axle with a 40t gear meshing onto an 8t gear on a rotation sensor. (I was trying to build a 2 wheeled vehicle like a bicycle and needed the (...) (25 years ago, 19-Dec-00, to lugnet.robotics)
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| | legOS Resources limitation
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I found strange errors when the size of my legOS program grow up. How could we realise if the whole 32K resources in RCX is being used up? Yiu (25 years ago, 19-Dec-00, to lugnet.robotics)
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| | Re: Motor wires
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(...) Cut the long ones and make them small... That's what I do. If you use a soldering gun and are good no one will really know the difference. Dean -- Coin-Op's For Sale!: (URL) Lego Workshop: (URL) Lego Club: (URL) (25 years ago, 19-Dec-00, to lugnet.robotics)
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| | Re: Opening RCX Code programs in Web Browser gives text
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"Aaron Nabil" <nabil@spiritone.com> wrote in message news:G5s74v.ECM@lugnet.com... (...) what (...) mindscript (...) I stand corrected. I guess I should have upgraded to 1.5 after all. RCX2's Mindscript language does appear to be much better than (...) (25 years ago, 18-Dec-00, to lugnet.robotics, lugnet.robotics.rcx)
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| | Re: Opening RCX Code programs in Web Browser gives text
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"Michael Gasperi" <gasperi@alynk.com> wrote in message news:G5s1Dx.KnC@lugnet.com... (...) in (...) The "real" 1.5 RCX code is a text file, when you make a program, that's what it makes. It appears to be a slightly less elegant version of RCX2 (...) (25 years ago, 18-Dec-00, to lugnet.robotics, lugnet.robotics.rcx)
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| | Re: Opening RCX Code programs in Web Browser gives text
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"Ben Erwin" <ben@alum.mit.edu> wrote in message news:G5ovr6.Jro@lugnet.com... (...) my (...) programs, (...) I don't think the real RCX Code is ever in this text form. You find these text files on the CD, but when you make RCX Code programs they (...) (25 years ago, 18-Dec-00, to lugnet.robotics, lugnet.robotics.rcx)
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| | Re: Opening RCX Code programs in Web Browser gives text
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(...) This is probably related to how IE and Netscape handle mime types, especially application/unknown (or application/x-unknown, I forget.) Netscape seems to entirely rely on mime types, but IE appears to be more versatile. If I had to hazard a (...) (25 years ago, 18-Dec-00, to lugnet.robotics)
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| | Motor wires
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I've looking for motor wires in the lenghts of 8.5 cm and 25.s cm. I called LEGO and they said that both those sizes are no longer avaliable (#5041) and (#5311). The only size ava. is the 128 cm lenght (#5111). The guy on the phone had no clue what (...) (25 years ago, 18-Dec-00, to lugnet.robotics)
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| | Re: vision command idea...
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(...) For our purposes, this may not matter. However, couldn't the rear wheels be steered with a reciprocator? So as the steering wheel turns to the right, the rear wheels start turning right, then turn back to the left? So at, say 1/4 turn, the (...) (25 years ago, 18-Dec-00, to lugnet.robotics)
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| | Re: vision command idea...
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Another problem with all wheel steering is the problem of "switch over." Honda had a prototype of an all wheel steering car which used the mechanism of turning the wheels in opposite directions at slow speeds for improved turning radius and turning (...) (25 years ago, 15-Dec-00, to lugnet.robotics)
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| | Re: vision command idea...
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(...) Indeed - I've seen a good variation of this with a 4 axled vehicle which had two bogies with two axles each. Each pair of wheels on the side of each bogie had longitudinal pendulum type unsprung suspension, and the front bogie had an (...) (25 years ago, 18-Dec-00, to lugnet.robotics)
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| | Re: Touch Sensor Caracteristics?
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(...) Yes. (...) That's not possible, as they are all slightly different, and it also varies a little over time. I measured it for my sensors with the RCX, depressing them slowly by a rack and measuring every 1/100mm (nominally, i think LEGO technic (...) (25 years ago, 18-Dec-00, to lugnet.robotics)
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| | Re: batteries? RCX/CYBERMASTER
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(...) ^^^^special swedish variant :-) (...) No idea, should be very little, try measuring it :-) (...) Don't know, but AFAIK motor current is limited to 500mA per motor, so three motors give 1.5A. (...) AFAIR (now that's really long ago I built (...) (25 years ago, 18-Dec-00, to lugnet.robotics)
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| | RCXcc
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Does anyone know if the RCX Command Center will be updated to have the latest NQC 2.2 running on it. Currenlty, it runs NQC 2.1r1. (25 years ago, 18-Dec-00, to lugnet.robotics)
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| | Books fo Mindstorms
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Hi, in Germany you can get the new book "Extreme Mindstorms - An advanced guide to Lego Mindstorms" from Dave Baum, Michael Gasperi, Ralph Hempel and Luis Villa. It 's great!! If you are interested in some deeper hardware informations, RCX 2.0 (...) (25 years ago, 17-Dec-00, to lugnet.robotics, lugnet.robotics.rcx)
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| | Re: New member; a few questions ...
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(...) I don't think that would be practical using the standard SPO-256 synth chip, but you might have some luck with the onboard speaker and tones. I had a computer game once that would say various versions of "ouch" through the PC-speaker. If you (...) (25 years ago, 16-Dec-00, to lugnet.robotics)
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| | Vision command & macintosh
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Hi, has anybody an idea to use the vision command with a macintosh? All newer Macintosh have usb for connecting the camera but there comes no driver for it from Lego. Ralf (25 years ago, 17-Dec-00, to lugnet.robotics, lugnet.robotics.rcx)
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| | Touch Sensor Caracteristics?
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It seems to me that the touch sensors have very different caracteristics. One has ~ 390 ohms and another ~ 480 when pressed to the bottom. Also, when pressed just gently, they seem to have a higher resistance. Is this correct? Is there anyone who (...) (25 years ago, 17-Dec-00, to lugnet.robotics)
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