 | | Re: BrickFest 2002 Presenters Wanted
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(...) Hey John, are you thinking of recording any of these sessions to maybe put a transcript up on the BrickFest site (or wherever)? That'd be *really* cool for those of us who can't get there... ROSCO (23 years ago, 20-May-02, to lugnet.robotics, lugnet.technic)
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| | Re: What happened to Spirit.ocx?
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(...) Hum...so then how do I get Visual NQC to work? I installed RIS 2.0 on my computer, and try to use Visual NQC and it errors out with a "Component 'SPIRIT.OCX' or one of its dependencies not correctly registered: a file is missing or invalid" Is (...) (23 years ago, 19-May-02, to lugnet.robotics.rcx)
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| | Re: Microscout assembly?
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Thanks very much for the information, but I don't have the Microscout in front of me and won't be able to get my hands on it for a while. I'll probably have RIS 2.0 before I get to my Microscout. When I do get it, I'll give it a shot. Again, thanks (...) (23 years ago, 18-May-02, to lugnet.robotics)
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| | Re: Powering motors from the mains
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(...) The main problem comes from the heat generated. This isn't a problem, unless you're driving motors fairly constantly with your RCX, but can eventually cause the diodes to break down. Of course, when one half of the rectifier goes, you can (...) (23 years ago, 19-May-02, to lugnet.technic, lugnet.robotics)
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| | Re: Powering motors from the mains
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(...) Ooops! Silly me! Yes, the Australian (240v) train reg adapter is also 10v AC, so fine to use with RCX. ROSCO (23 years ago, 19-May-02, to lugnet.technic, lugnet.robotics)
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| | Designing a bipedal robot leg
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Around a year ago I suppose I asked about curved feet - building a robot with human-like walking characteristics. I never succeeded in the feet (although it turns out some carved foam works very well.), as the robot took one complete step but could (...) (23 years ago, 19-May-02, to lugnet.robotics)
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| | Re: What is exception "StackOverflowError" in method "<clinit>"
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(...) I have tried TextLCD.print() and it really does work. Roger (23 years ago, 17-May-02, to lugnet.robotics.rcx.java)
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| | Serial cable for Dacta Interface 70909?
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I have just bought (second hand) a bunch of Lego Dacta things (9701, 9702) with the computer interface 70909. Of course the serial cable supplied was of the wrong type - Cybermaster Female-Female, this interface needs Male-Female. Does anyone know (...) (23 years ago, 18-May-02, to lugnet.robotics)
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| | Re: Powering motors from the mains
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The current is going through two silicon diodes though, with attendant .5 volt drop through each so consider if that will be a problem in this application. Likely its not. (...) Tom Napolitano tomnap@bersama.net (23 years ago, 18-May-02, to lugnet.technic, lugnet.robotics)
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| | Re: cygwin error
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(...) what do i change and what PATH? (23 years ago, 18-May-02, to lugnet.robotics.rcx.legos)
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| | RE: latest legOS strangeness
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(...) Interesting question. I'll try this at home with my remote and RCX loaded with standard firmware. Anyway, that could only say that the remote control knows that it has to send a OFF (brake) cmd to the RCX when fwd and rev are pressed together, (...) (23 years ago, 17-May-02, to lugnet.robotics.rcx.legos)
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| | Re: Powering motors from the mains
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(...) I'd be a little surprised at a bridge rectifier which couldn't accept DC. Many electronic appliances have them these days so that it doesn't really matter what kind of wall wart you use, so long as the voltage is in the right range. The wall (...) (23 years ago, 18-May-02, to lugnet.technic, lugnet.robotics)
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| | Re: Powering motors from the mains
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(...) Yes. That is what I meant. I even believe sincerely that it's what I said. :-) I am not sure who exactly within LEGO first recommended it but if you dig hard enough in lugnet.robotics I believe you will find just such a recommendation.... that (...) (23 years ago, 18-May-02, to lugnet.technic, lugnet.robotics)
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| | Re: Powering motors from the mains
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I think you misuderstood what Larry said (or I misunderstood what you said). I think Larry was saying that you should use the wall wart from the train speed regulator, which is what Lego recommends. Also, I dont see how you could burn out the diodes (...) (23 years ago, 18-May-02, to lugnet.technic, lugnet.robotics)
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| | Re: Powering motors from the mains
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Those who can use a soldering iron, and know their anode from their cathode, could build something like what I did: (URL) black box is a 7809 9v positive voltage regulator. See the data sheet here: (URL) used a 12v wall wart to power the whole (...) (23 years ago, 18-May-02, to lugnet.robotics)
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| | of interest - Fw: BNA's Internet Law News (ILN) - 5/17/02
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 From: "BNA Highlights" <bhighlig@BNA.COM> (...) : : : "The only person sure of himself is the man who wishes to : leave things as they are, and he dreams of an impossibility" : -- George M. Wrong. : : (...) (23 years ago, 18-May-02, to lugnet.robotics)
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| | #9701 Control Lab building set with RCX's
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How many RCX's and what software do you need to control the Vending Machine requiring 4 sensor input ports and 5 output ports at Brickshelf's (URL) it require RCX to RCX or Scout communication, e.g., Robolab mail? Brickshelf recently added building (...) (23 years ago, 18-May-02, to lugnet.robotics.rcx.robolab, lugnet.dacta, lugnet.edu)
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| | Re: Powering motors from the mains
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I have the RCX 2.0 and it doesn't hace any power connector. Lego should have thought about that and at least sell a special adapter. Anyway, they didn't. ----- Original Message ----- From: "Larry Pieniazek" <lpieniazek@mercator.com> To: (...) (23 years ago, 17-May-02, to lugnet.robotics)
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| | Re: Powering motors from the mains
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(...) You can do this but it's not recommended. As the RCX 1.0 has a bridge rectifier on the power input, it's recommended you use a 10v AC supply, to avoid buring out the diodes. ROSCO (23 years ago, 18-May-02, to lugnet.technic, lugnet.robotics)
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| | Re: Kris's VCS ActiveX Component
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(...) It means "hard to find". The fact that you answered 6 months later is proof of that! (23 years ago, 17-May-02, to lugnet.robotics.vc)
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