 | | Re: RotationNavigator accuracy
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"Michael Wisse" <mwisse@hs-harz.de> wrote in message news:40065F0D.70202@...harz.de... (...) a (...) Check out (URL) the "Peeves" Mindstorms robot. If page is not accessible then just do a search on "peeves mindstorm lego" and you'll probably find (...) (22 years ago, 15-Jan-04, to lugnet.robotics.rcx.java)
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| | Re: Uhmm... coincidence, or no?
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(...) No, but NASA let LEGO name them (sort of). (URL) Jürgen Stuber <stuber@loria.fr> (URL) (22 years ago, 15-Jan-04, to lugnet.robotics)
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| | Re: RotationNavigator accuracy
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Hi Robert, thanks for your response. Indeed, the main problem seems to be slippage. The more speed the motors produce, the bigger the slippage is and the less is the resulting angle. Probably a tank is bad for odometric navigation. It is a pitty, (...) (22 years ago, 15-Jan-04, to lugnet.robotics.rcx.java)
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| | How Many Mindstorms Have Been Sold? Or What's the Highest RCX Product Serial Number?
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I wonder how many Mindstorms have been sold? Assuming serial numbers (S/N) are assigned sequentially might give a good indication. I have a RCX 1.0 S/N 022751 purchased when Mindstorms first came out. And I have a a RCX 2.0 (S/N 591822) obtained (...) (22 years ago, 15-Jan-04, to lugnet.robotics)
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| | Re: Where can I find Ultimate Builders Set?
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(...) they are both sold out! Thanks in advance, Ruth (22 years ago, 15-Jan-04, to lugnet.robotics)
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| | Re: Official: MINDSTORMS is not going away
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(...) Damn! So does Bionicles. They really need to learn to release this kind of information to the community sooner - but it's good that they finally acknowledged the need to make a clear statement. ---...--- Steve Baker ---...--- HomeEmail: (...) (22 years ago, 15-Jan-04, to lugnet.robotics)
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| | Re: Uhmm... coincidence, or no?
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(...) Wasn't that because the Sojourner robot was out and about on Mars at about that time? I also had some vague recollection that someone involved in the NASA robot had worked on Mindstorms....I could be wrong about that part though. (...) Well, (...) (22 years ago, 15-Jan-04, to lugnet.robotics)
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| | Official: MINDSTORMS is not going away
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(URL) (22 years ago, 15-Jan-04, to lugnet.robotics, lugnet.technic)
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| | Re: Uhmm... coincidence, or no?
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Would you like your tin foil hat now? :p Seriously, it would be neat if everything tied in intentionally. (...) (22 years ago, 15-Jan-04, to lugnet.robotics)
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| | Uhmm... coincidence, or no?
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LEGO came out with a a Mindstorms set called "Exploration Mars" the same year that Mindstorms itself came out. Lego Mindstorms' ActiveX control is called SPIRIT.OCX. NASA's latest Mars rover is named Spirit. Does anyone else find this to be a freaky (...) (22 years ago, 15-Jan-04, to lugnet.robotics)
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| | Re: External power supply ?
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"ken koleda" <kkoleda@co.wayne.mi.us> wrote in message news:HrD4zL.1sEF@lugnet.com... <<snip>> (...) looked at (...) to (...) regulator (...) adapter. (...) run (...) Hi Ken, I have been using a Radio Shack Cat #273-1772 with good results. It is a (...) (22 years ago, 15-Jan-04, to lugnet.robotics)
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| | RE: Problem with rcxTcl.exe and the USB IR tower
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(...) I'll check this out on a system that has absolutely no Tcl support, but as you might expect - it works fine here :-) (...) I'm sure John Hansen would appreciate any feedback on BricxCC - even if it'a a problem report. (...) That's the spirit! (...) (22 years ago, 15-Jan-04, to lugnet.robotics.rcx.pbforth)
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| | Re: Where can I find Ultimate Builders Set?
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(...) I think I saw at least one of them at Sagoland, Linköping, and is almost sure I've seen one here in Eskilstuna, but it may be gone now, of course. Should I take a look the next time I go? -- Anders Isaksson, Sweden BlockCAD: (2 URLs) (22 years ago, 14-Jan-04, to lugnet.robotics)
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| | Re: HELLO?!, LEGO CO. ! was: Will the educational arm of Technic & Mindstorms continue?
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I believe (gleaned from an interview posted a ways back) that part of the "electronics" being discontinued was Lego Studios. (Which meant I could get the Spinosaurus Attack for $15 at KB). I'm not sure about other products, but I am relieved we have (...) (22 years ago, 14-Jan-04, to lugnet.robotics)
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| | Re: HELLO?!, LEGO CO. ! was: Will the educational arm of Technic & Mindstorms continue?
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(...) Dear All, Recently I have received the following answer from LEGO: "Dear Mr. Schlei, We have no plans of discontinuing the production and sales of LEGO Mindstorms and LEGO Technic products. On the contrary, we consider these products core (...) (22 years ago, 14-Jan-04, to lugnet.dear-lego, lugnet.robotics, lugnet.general, lugnet.technic)
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| | Re: RotationNavigator accuracy
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(...) rotation sensor counts tread rotation, but, because of skidding, the tank doesn't turn exactly the same way as treads do (...) rotation point position/drive length depends on tread width, center of weight position, speed and geometry of treads (...) (22 years ago, 14-Jan-04, to lugnet.robotics.rcx.java)
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| | Re: RotationNavigator accuracy
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(...) I guess it's more hardware related problem turning with tank-style robot is ALWAYS a trouble because tank doesn't have defined centre of rotation. If you imagine the simple robot - two wheels and a castor - there is rotation center well (...) (22 years ago, 14-Jan-04, to lugnet.robotics.rcx.java, FTX)
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| | Re: Where can I find Ultimate Builders Set?
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Ruth and others, Many Bricklink sellers WILL ship internationally. Sometimes, you just need to find someone you both know to verify that you are a trustworthy customer, and not a scammer who will ask for a refund on PayPal. One store in particular, (...) (22 years ago, 14-Jan-04, to lugnet.robotics)
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| | RE: What the heck? Pitsco selling RCX for $125!
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Before the end of 2003, the RCX from Pitsco was $79. I was going to buy a few because Pitsco sells 1.0 (the one with the power jack). So, sometime between Halloween and now the price went up 58%. (...) (22 years ago, 14-Jan-04, to lugnet.robotics)
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| | Re: Where can I find Ultimate Builders Set?
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(...) That is true... ...but I have tried to purchase those sets through them without any luck. The bricklink stores that had them wouldnt ship internationally. I have also tried some other stores on the net without any success...That is why I (...) (22 years ago, 14-Jan-04, to lugnet.robotics)
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