 | | Re: LegOS forced to use another name?
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(...) I think this is speculation by the author of the article. Apart from the issue about names and trademarks, for me this article shows an extremely irritating attitude towards customers, sue people as soon as they use something in a different (...) (24 years ago, 10-Sep-01, to lugnet.robotics.rcx.legos, lugnet.robotics.rcx, lugnet.general, lugnet.mediawatch)
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| | Re: RCX 3.0 and legOS 1.2.4
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This is copyied from "Mindstorms Not Just a Kid's Toy" by Paul Wallich in IEEE Spectrum September 2001: "With version 2.0 of the RCX firmware due this fall, the original hardware may have gone as far as its designers can take it, and what directions (...) (24 years ago, 10-Sep-01, to lugnet.robotics.rcx, lugnet.robotics.rcx.legos)
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| | image of firm0328
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We can view the image of firm0309 at (URL) the firm0328 is big different from old one, does anyone make a new image for firm0328? Zhengrong (24 years ago, 10-Sep-01, to lugnet.robotics.rcx)
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| | Re: LegOS forced to use another name?
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Having registered legOS.sourceforge.net (on Markus's word that TLG had given him permission to use the name), having run the last release of legOS, and having not heard anything from TLG myself, I can say that there are no plans in this corner of (...) (24 years ago, 10-Sep-01, to lugnet.robotics.rcx.legos, lugnet.robotics.rcx, lugnet.general, lugnet.mediawatch)
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| | RE: LegOS forced to use another name?
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Ross crawford points to: (...) I can see their point too. As long as it's only about the name then I can't see anyone getting too upset. It's just a name, after all. But if it's about the replacement firmware, then I have more to worry about. So do (...) (24 years ago, 10-Sep-01, to lugnet.robotics.rcx.legos, lugnet.robotics.rcx, lugnet.robotics.rcx.pbforth)
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| | Re: RCX 3.0 and legOS 1.2.4
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(...) Hmmmm. Sounds intrigueing. Call me a pessimist, but I'd be surprised if they released a 3.0 so soon after 2.0. And the comment about LegOS is stranger, given the article I just posted, and the fact that most of the developers are right here, (...) (24 years ago, 9-Sep-01, to lugnet.robotics.rcx, lugnet.robotics.rcx.legos)
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| | LegOS forced to use another name?
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Article here: (URL) TLC may be talking to Marcus Noga about his use of "LegOS" for the open-source operating system for the Mindstorms RCX (see last page). I can see their point. Personally, I think "NogOS" has a bit of a ring to it 8?) What does (...) (24 years ago, 9-Sep-01, to lugnet.robotics.rcx.legos, lugnet.robotics.rcx, lugnet.general, lugnet.mediawatch) !
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| | Mindstorms 2.0 in Germany
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Hi, I 've seen the new Mindstorms 2.0 at Toys'R'us in Neuss (near Cologne and Duesseldorf). It comes with the new usb ir tower for 489 DM. They also sell the old package 1.5 with the old serial ir tower (no usb!) for 449 DM. I don't know if the (...) (24 years ago, 8-Sep-01, to lugnet.robotics.rcx)
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| | Re: RCX 3.0 and legOS 1.2.4
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Would be great it it's true .... and I hope not only legOS will be updated ... all the other tools should get a new release, too Ralf (...) (24 years ago, 7-Sep-01, to lugnet.robotics.rcx)
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| | Re: Anyone know how to build a stall sensor?
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Paul, If you put a small lamp in serie with the motor , you can monitor the current drawn by thr motor through a lightsensor. The more current the more the light, there is only one thing you have less motorpower. Gretings, Rik "Paul Andrews" (...) (24 years ago, 7-Sep-01, to lugnet.robotics.rcx)
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| | Code-only Line-tracking competition
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You can enter the WORKSHOP 3D LEGO RCX Challenge - a robot competition to be held in Seattle on October 6th - even if you don't want to travel here. There will be a "code only" line-tracking event that anyone can enter. Build a "standard robot" at (...) (24 years ago, 7-Sep-01, to lugnet.robotics, lugnet.robotics.rcx)
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| | RCX 3.0 and legOS 1.2.4
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LEGO company will release RCX 3.0 at the end of next year, it will have 6 input port and 6 output port, 20x200 dots LCD, CPU is H8/3294 with 32K ROM and 64K RAM, it has a power socket as RCX 1.0, and with a built-in speaker, you can play wav or mid (...) (24 years ago, 7-Sep-01, to lugnet.robotics.rcx, lugnet.robotics.rcx.legos)
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| | Re: Anyone know how to build a stall sensor?
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(...) Yes. I just got a rotation sensor. Trouble is that the motors could stop for a variety of reasons (like the robot isn't moving). That isn't the real reason though (I could always handle that in software). The real reason is that ever since I (...) (24 years ago, 6-Sep-01, to lugnet.robotics.rcx)
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| | Re: Anyone know how to build a stall sensor?
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(...) Yes. I found on article on using the battery voltage to determine the same thing, i.e. more current, less volts. To do it you need replacement firmware. I use leJOS (a Java VM), I'm one if the developers, so I could go in that way. I'm going (...) (24 years ago, 6-Sep-01, to lugnet.robotics.rcx)
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| | Re: Anyone know how to build a stall sensor?
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(...) Hi Paul, I was interested in doing the very same thing a while ago. It sure would save on sensors if the motors had their own feedback! I know (as you are probably aware also) that the current can be monitored using the cybermaster. I saw how (...) (24 years ago, 6-Sep-01, to lugnet.robotics.rcx)
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| | Re: Anyone know how to build a stall sensor?
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I assume you have already discarded the simple approach of using a rotation sensor and detecting that it has stopped rotating. (This gives you an odometer for free!) Or if you don't have a rotation sensor, you can use the half width six hole pulley (...) (24 years ago, 6-Sep-01, to lugnet.robotics.rcx)
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| | Re: Anyone know how to build a stall sensor?
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(...) No. I didn't know it existed. Of itself it is interesting, but I actually want to use stalls as a means of collision detection. (...) (24 years ago, 6-Sep-01, to lugnet.robotics.rcx)
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| | Re: Anyone know how to build a stall sensor?
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(...) I suppose you've already considered using the white 24 tooth clutch (looks like a gear)to limit the torque and prevent motor stalls... Jerry (24 years ago, 5-Sep-01, to lugnet.robotics.rcx)
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| | Anyone know how to build a stall sensor?
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Hi, I'd like to be able to monitor the current being drawn by a motor using the RCX (not the CyberMaster :-( ), so that I can detect stalls and possibly spins. I can't believe that this is particularly hard but I can't find any references to one on (...) (24 years ago, 5-Sep-01, to lugnet.robotics.rcx)
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| | Re: RCX IR protocol
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Hi, Juergen has done a small mistake in his example. (...) Better it should be ~f7=~11110111=00001000=08. If you want to get a little bit of math you may add every number to its complement and you will always get ff for the result. If we take (...) (24 years ago, 4-Sep-01, to lugnet.robotics.rcx)
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