 | | Re: Shutting off illumination LED on Light Sensor for LIDAR
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This sounds very cool. If you want to do the mapping at the bottom, you will have to use alternitive firmware anyway (right?), and they have a passivate command that turns off the light. It passivates the sensor, but I don't think standard firmware (...) (24 years ago, 28-Mar-01, to lugnet.robotics)
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| | Shutting off illumination LED on Light Sensor for LIDAR
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Has anyone successfully found a way (short of paint, or cutting internal wiring) of shutting off the red 'supply light' LED on the Lego light sensor? The supply LED is great for active-detection situations, like line-following, when you need to (...) (24 years ago, 28-Mar-01, to lugnet.robotics)
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| | RE: lego cap, polarity, etc
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(...) Yes, thanks for the sketch. Bruce ------- WWW.SYSTRONIX.COM ---...--- Real embedded Java and much more High speed 8051 systems +1-801-534-1017 Salt Lake City, USA (24 years ago, 28-Mar-01, to lugnet.robotics)
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| | RE: Lego accessories for the photographer
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Cool stuff! What do use to take such nice pictures of your Nikon 990? Do you have *two* excellent digicams?!? --Bram Bram Lambrecht bram@cwru.edu (URL) (24 years ago, 28-Mar-01, to lugnet.robotics)
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| | Re: New Group?
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Does any LEGO theme have a group? are you going to create lugnet.dinosaurs if it is true? Zhengrong (...) (24 years ago, 28-Mar-01, to lugnet.robotics, lugnet.robotics.rcx, lugnet.general)
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| | Lego accessories for the photographer
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Some of you may remember PanoBot, a Lego robotized panoramic head (Cool Lego Site of the week December 17–23, 2000) ... here are new avatars of Lego accessories for the photographer: A turntable for VR-object shooting (animation of a rotating (...) (24 years ago, 28-Mar-01, to lugnet.announce, lugnet.robotics)
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| | RE: Electrical Data Link between 2 RCXs
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(...) Hi :) (...) Heheh, my feelings exactly before "bumping" into LUGnet community almost a year and a half ago ;) Ok, now, about the way I use Timer() and will try to use FastTimer() or counter loop if proven more effective. I have no need to get (...) (24 years ago, 28-Mar-01, to lugnet.robotics.rcx.nqc, lugnet.robotics)
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| | Re: Electrical Data Link between 2 RCXs
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Hi Marco, it is always interesting how many other people in the world do have the same problems or are dealing with the same subject. Sometimes I had the feeling that I dealt with "exotic" problems but then I realized that other "Mindstormers" had (...) (24 years ago, 28-Mar-01, to lugnet.robotics.rcx.nqc, lugnet.robotics)
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| | RE: lego cap, polarity, etc
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(...) Agreed - a bridge is not an inverter. Pardon this poor representation of the circuit: +---|<----+----|<---+ | | | | B (batt) | | | | +---|<----+----|<---+ | | +--------| |--------+ + (cap) The bridge is able to correctly 'route' the current to (...) (24 years ago, 28-Mar-01, to lugnet.robotics)
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| | Re: Internal Photos of the LEGO Capacitor
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(...) <snip> Their solar panel specs are wrong, or at the very least extremely conservative to the point of being incorrect. I've pulled 4 volts in direct sunlight, even more under a 2 million candlepower spotlight at 6". Assumingly the capacitor (...) (24 years ago, 28-Mar-01, to lugnet.robotics, lugnet.dacta)
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| | Re: Internal Photos of the LEGO Capacitor
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Ok, I gotta jump in here for a minute, I have 6 Solar cells and 4 Capacitors, I am building them into the Wings of my Robot. (URL) Heres what I know about the Solar Cell and Capacitor. Solar Cell output 2.5 volts direct sunlight, Capacitor and solar (...) (24 years ago, 28-Mar-01, to lugnet.robotics, lugnet.dacta)
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| | Internal Photos of the LEGO Capacitor
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Okay, here's top and bottom photos of the LEGO capacitor's circuit board. They're not the best, but the circuit board is only about 1" square. (URL) Regards Micah J. Mabelitini - LUGNET #918 The University of Kentucky SECC Middlesboro Academic (...) (24 years ago, 28-Mar-01, to lugnet.robotics, lugnet.dacta)
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| | Re: lego cap, polarity, etc
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(...) The capacitor doesn't come with any instructions, at least not when purchased individually. The LED indicates when the capacitor is fully charged; when it reaches full charge, the LED begins flashing. I'm assuming at least one of the other (...) (24 years ago, 28-Mar-01, to lugnet.robotics)
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| | (canceled)
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| | RE: lego cap, polarity, etc
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That's right - it only needs to protect the capacitor from wrong polarity, but does not have to compensate. Maybe the instructions simply say "if it doesn't work, rotate the connector 90 degrees". Maybe the LED gives some indication if it is (...) (24 years ago, 28-Mar-01, to lugnet.robotics)
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| | Re: lego cap, polarity, etc
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If I read correctly, it sounds as if there are + and - signs on the capacitor, which would imply that there is something that would block an incorrect polarity on the terminal. Maybe the diode and the 2 transistors on the board do this, I do not (...) (24 years ago, 27-Mar-01, to lugnet.robotics)
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| | Re: lego cap, polarity, etc
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(...) Right, what I was trying to say is that a bridge can't 'invert' a DC input of one polarity to make an output of another polarity - it can't "correct" anything, a diode can only conduct or not conduct. All a bridge can do is route the given DC (...) (24 years ago, 27-Mar-01, to lugnet.robotics)
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| | Re: lego cap, polarity, etc
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(...) connectors. Uh, a bridge wouldn't be very good if it didn't handle inputs that switched polarities. A bridge should work just fine with a DC input of any polarity (of course for any DC input, only half of the bridge is actually being used). (...) (24 years ago, 27-Mar-01, to lugnet.robotics)
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| | lego cap, polarity, etc
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(...) I don't have one, but can make some guesses. A bridge only works with an AC input - it can't correct the polarity of a DC input. So the Lego cap either has an AC input possibly through a bridge or a DC input which is the correct polarity by (...) (24 years ago, 27-Mar-01, to lugnet.robotics)
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| | Re: AI in MindStorms
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My entire goal is AI with mindstorms as input sensors. I'll put up a web page as soon as I have anything. Scott (24 years ago, 27-Mar-01, to lugnet.robotics)
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| | AI in MindStorms
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I had done a project that integrated the Neural Network and Fuzzy Logic into the RCX for Navigation by legOS. Of course, the network models are simple due to the limited recources. I do not have time to manage the materials and upload them yet. But (...) (24 years ago, 27-Mar-01, to lugnet.robotics)
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| | Re: Solar cells and caps: lego part #s
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(...) The capacitor is very much polarity-sensitive. It has +/- polarity indicators on either side of the standard 2x2 9V terminal, as does the solar cell, and it will not work if the polarity is reversed. (24 years ago, 27-Mar-01, to lugnet.robotics)
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| | RE: Electrical Data Link between 2 RCXs
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Hi Bernd :) I see we're working in the same subject here :) *great* If you care to browse lugnet.robotics old thread "VLL *input* for RCX/CyberMaster (in NQC) ?" or the newer one, starting with "CM-RCX" (the subject had some variations) Your (...) (24 years ago, 27-Mar-01, to lugnet.robotics.rcx.nqc, lugnet.robotics)
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| | Solar cells and caps: lego part #s
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This whole Lego capacitor thing strikes me as somewhat intriguing. The super-caps, which are doubtless used, absolutely cannot be charged backwards, they have to have the correct polarity. And all the Lego electrical "stuff" like the RCX sensors, (...) (24 years ago, 27-Mar-01, to lugnet.robotics)
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| | Re: New Group?
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Hi All, Although I started with NCQ I've used Gordon's Brick Programmer quite a bit. Its neat for putting things together quickly and I use the library import screen a lot to reuse bits from old projects. I'd like to hear about how other people use (...) (24 years ago, 27-Mar-01, to lugnet.robotics, lugnet.robotics.rcx)
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| | Re: New Group?
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(...) If that is you Gord, then I think you have got a new email address and maybe a new continent! Malcolm S Powell (24 years ago, 27-Mar-01, to lugnet.robotics)
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| | Re: New Group?
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(...) Umm... That would be me. (j/k) Or is this a trick question? I bet this is one of those damn transcendentalist(sp?) questions, isn't it? =) -Gordon (24 years ago, 27-Mar-01, to lugnet.robotics)
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| | Re: New Group?
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As the author of GBP I get 3 or 4 emails a week about it and there have been 9,647 hits (I just checked) or the download page since I installed the counter about a year ago. My only problem with the idea of setting up a GBP group is that it might (...) (24 years ago, 27-Mar-01, to lugnet.robotics, lugnet.robotics.rcx)
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| | Re: Extreme Mindstorms Book Question
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(...) I agree that finding books on behaviour is a bit difficult.. That dives into the big world of computer programming... The robotics books I am referring to are at college now, and next time I'm on campus I'll look up their names (sorry for the (...) (24 years ago, 27-Mar-01, to lugnet.robotics)
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| | Re: Extreme Mindstorms Book Question
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Henry, I would have to disagree about the non-Mindstorms book part. If you could point out particular books that you liked then that would be helpful. When I was researching for ideas for my book I searched on sites like Amazon for "robot" and (...) (24 years ago, 27-Mar-01, to lugnet.robotics)
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| | Re: Extreme Mindstorms Book Question
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it will be good to see novelty. (...) (24 years ago, 27-Mar-01, to lugnet.robotics)
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| | Re: Extreme Mindstorms Book Question
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Gordon, That is a good question. And I agree, there isn't much out there in this regard. In my book I talk about very simple (1D) robot navigation - remembering a place that you went to and going back to it. As far as more complex navigation goes (...) (24 years ago, 27-Mar-01, to lugnet.robotics)
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| | Re: Solar cells and caps: lego part #s
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(...) The solar cell is part no. 32339, and the capacitor is part no. 32342. (...) Ok I unscrewed the capacitor's housing to get a better look. The main capacitor is a "Gold Cap" brand electrolytic, 2.5V, 1F (!). It's soldered to a small circuit (...) (24 years ago, 27-Mar-01, to lugnet.robotics)
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| | Re: Solar Cell Output in Direct Sunlight
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(...) That sounds about the right number. Whether it's enough to cover the cost of driving it depends on the nature of the vehicle. If it's something that only goes in straight lines then in can adjust the panel one time - and then only have to make (...) (24 years ago, 27-Mar-01, to lugnet.robotics)
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| | Re: Solar Cell Output in Direct Sunlight
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(...) was delayed by over 24 hours from crynwr.com to LUGNET, and Steve emailed me a copy of the reply as well, I assumed it was private correspondence and replied in kind. Here's most of what was said: Steve Baker wrote: (...) (24 years ago, 27-Mar-01, to lugnet.robotics)
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| | Re: Solar Cell Output in Direct Sunlight
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(...) The experts say that such a scheme can increase total power collected by up to 40%, though I'm not sure if this includes the power required to drive the steering mechanism. See: (URL) (24 years ago, 27-Mar-01, to lugnet.robotics)
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| | Solar cells and caps: lego part #s
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(...) Do you have the Lego part numbers for these? Is the capacitor like the commercial MaxCaps or SuperCaps? If so, we use these for NVRAM backup and could use them or might make them available to interested people. Thanks Bruce Boyes ------- (...) (24 years ago, 26-Mar-01, to lugnet.robotics)
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| | RE: RCX & Cybermaster (VLL comms and MicroScout)
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I think that a pBrick like RCX or CM isn't fast enough to detect PWM cycles. Don't know the speed of a legOS program. On top of that, I think that the sensors detect resistance, not voltage. You can do this test yourself, using two RCX's or one RCX (...) (24 years ago, 26-Mar-01, to lugnet.robotics)
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| | RE: Need for chat server?
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Yes, I also like the static facilities of message-boards, newsgroups and mailing-lists, because it becomes a searchable info resource. To me, the use of a LUGnet IRC server (or simply a #LUGnet channel in any other ircnet), would be useful to simply (...) (24 years ago, 26-Mar-01, to lugnet.robotics)
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| | Re: Solar Cell Output in Direct Sunlight
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(...) I agree - and another factor is the angle of the panel to the incident light. The amount of light varies as the cosine of the angle of the sun to a line thats perpendicular to the panel. Building some kind of a mechanism that tilts the panel (...) (24 years ago, 25-Mar-01, to lugnet.robotics)
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| | Re: New Group?
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(...) Well, sometimes there's only one way to find out -- build it and see if they come. If we create a group/list for it and it turns out DOA then we can either delete it or ignore it. If there's a user-base for GBP, and you've got (...) (24 years ago, 26-Mar-01, to lugnet.robotics, lugnet.robotics.rcx)
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| | Mounting non LEGO parts using M6 metric screw
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Hi, you can mount mechanical components to LEGO bricks by using a M6 metric screw. The meassurement of the tubes inside of LEGO bricks is ideal for this size of screws. See (URL) (24 years ago, 26-Mar-01, to lugnet.robotics)
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| | Re: The Making of "Creative Projects with LEGO Mindstorms"
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I have your book on order already from booksamillion.com. Alan Alan Carmack Pflugerville, TX "To Russia with Lego": (URL) lugnet member page: (URL) (24 years ago, 26-Mar-01, to lugnet.books, lugnet.robotics)
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| | Re: Extreme Mindstorms Book Question
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(...) Agreed. I think that is a long way though. If you look at a lot of the current research, it is about tiny systems. I don't want information on large and complex systems, but clever systems. I am really keen to have my robots learn for (...) (24 years ago, 26-Mar-01, to lugnet.robotics)
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| | New Group?
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Hey Todd (and others), I was thinking it was time for a sub-group for those of us using 'Gordon's Brick Programmer". Maybe lugnet.robotics.rcx.gbp ? _I_ could sure use some group support... Are there enough of us out there to make it worthwhile? (...) (24 years ago, 26-Mar-01, to lugnet.robotics)
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| | Re: Extreme Mindstorms Book Question
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This may have to do with the (debatable) fact that the Lego Mindstorms RIS is _not_ an "advanced robotic platform" It was engineered so that the average 12+ year old could play around with robotics concepts. It was never meant to to be the be-all of (...) (24 years ago, 26-Mar-01, to lugnet.robotics)
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| | Re: Extreme Mindstorms Book Question
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(...) Ben, My point was, if I already know a lot about the sort of things you have listed, where do I go now to take it to the next level. I haven't found that the available books on Mindstorms do this. For example, some ideas on robot navigation (...) (24 years ago, 26-Mar-01, to lugnet.robotics)
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| | Re: Extreme Mindstorms Book Question
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Henry, Thats what I've found as well. My last post might have sounded a bit strong, but I get really annoyed when I go out and buy a book ($50-$100 in Australia), and read it from cover to cover in a couple of hours, and get nothing from it. This (...) (24 years ago, 26-Mar-01, to lugnet.robotics)
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| | Re: The Making of "Creative Projects with LEGO Mindstorms"
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Cool site, Ben. Looking forward to your book! -- Bob Fay rfay@we.mediaone.net (URL) Erwin" <ben@alum.mit.edu> wrote in message news:GAsADu.56u@lugnet.com... (...) itself (...) (24 years ago, 26-Mar-01, to lugnet.books, lugnet.robotics, lugnet.robotics.rcx)
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| | Re: Extreme Mindstorms Book Question
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(...) Perhaps this is because many of the authors have had Mindstorms webpages up before they published any books. True, if one is willing to spend a few hours researching on the web, one can find more info on Mindstorms than any one book can cover. (...) (24 years ago, 26-Mar-01, to lugnet.robotics)
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| | The Making of "Creative Projects with LEGO Mindstorms"
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(URL) week I had the opportunity to watch my book get printed. The book itself is about the process of making a robot -- so here is a website about the process of making the book -- which itself is very robotic! -Ben (24 years ago, 26-Mar-01, to lugnet.books, lugnet.robotics, lugnet.robotics.rcx)
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| | Re: Extreme Mindstorms Book Question
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(...) Some of the "advanced" (according to Gordon's definition) engineering, physics, and math topics covered in "Creative Projects with LEGO Mindstorms": Engineering Aside: Feedback Engineering Aside: Top-Down and Bottom-Up Design Engineering (...) (24 years ago, 26-Mar-01, to lugnet.robotics)
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| | Re: Extreme Mindstorms Book Question
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I have to disagree here. I have looked at all the current Mindstorms books and NONE of them are much use to the advanced user. I have only been into Minstorms for 4 months, but everything in these books, I had either figured out for myself, or found (...) (24 years ago, 26-Mar-01, to lugnet.robotics)
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| |
| | Re: Lego Remote Control - Here's The Scoop
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John Barnes <barnes@sensors.com> wrote in message news:4.2.0.58.200103...lserver... [Snip] Thanks for the info, John. Just going to check out Australian remote control stuff.... (...) control (...) multiple (...) It can be done using LegOS - but it (...) (24 years ago, 26-Mar-01, to lugnet.technic, lugnet.robotics)
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| | Re: Extreme Mindstorms Book Question
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|
For an advanced user, you will enjoy this book. I brings together some of the best of people. Michael Gasperi's part four in the book gets into passive and powered sensors. There include, the coin detector, Stick in ring switch, Thermistor temp (...) (24 years ago, 25-Mar-01, to lugnet.robotics)
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| | Extreme Mindstorms Book Question
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Hi all, I am looking at buying the book - Extreme Mindstorms. Any comments welcome. I am an advanced user, and am looking for some ideas. For those who have it, what customized sensors do they provide instructions to build? Dave (24 years ago, 25-Mar-01, to lugnet.robotics)
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| | Re: Solar Cell Output in Direct Sunlight
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(...) Well, I could certainly create an artificial environment which would increase the solar cell's output without the need for scheduling another test on the summer solstice, if you were merely curious as to its maximum output based on the cell's (...) (24 years ago, 25-Mar-01, to lugnet.robotics, lugnet.dacta)
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| | Re: Solar Cell Output in Direct Sunlight
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(...) I'd suggest that you try this again mid-summer. The solar radiation angle is still fairly low at this time of year with much of the energy being scattered by the atmosphere as well as being spread over a larger surface area of the earth. I (...) (24 years ago, 25-Mar-01, to lugnet.robotics, lugnet.dacta)
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| | Re: Curved Feet
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What kind of ankle joint? A motorized one, or passive one? If it is the first type I think the leg will be too heavy to be moved quickly. That is critical since the robot falls onto itself. Looking closer at the design, I think that you only need to (...) (24 years ago, 25-Mar-01, to lugnet.robotics)
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| | Re: Curved Feet
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Is this set still available? If so, does anyone know where it may be purchased? (URL) (24 years ago, 24-Mar-01, to lugnet.robotics)
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| | Re: Curved Feet
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After viewing the walder movie, I wonder if it would work with flat feet, and an ankle joint? Gravity would keep the flat foot pointed down when the leg was lifted. - pete. (...) -- Pete Sevcik sevcik@flash.net Techno-stuff Robotics (URL) for FUN ! (24 years ago, 24-Mar-01, to lugnet.robotics)
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| | Solar Cell Output in Direct Sunlight
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Well, it finally got sunny here. In direct sunlight, the solar cell seems to put out about 4V, 135mA (24 years ago, 23-Mar-01, to lugnet.robotics, lugnet.dacta)
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| | Lego Remote Control - Here's The Scoop
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|
Hi ! As some of you have noticed, Ms. Jennifer Clark showed off her beautiful new truck model at the Cheshire Legofest recently. The truck was equipped with a prototype radio control system which she has been kind enough to test for me. The (...) (24 years ago, 23-Mar-01, to lugnet.technic, lugnet.robotics)
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| | Re: Curved Feet
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(...) Many Znap set have smooth curve part. They can be connected to Technic parts. (24 years ago, 23-Mar-01, to lugnet.robotics)
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| | Re: Cheshire LEGOFest pictures
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(...) Great! If there's anything I'd like to be able to have instructions to it's probably your models. (and perhaps the MIBO dog will go on the same list...) - David (24 years ago, 23-Mar-01, to lugnet.loc.uk, lugnet.technic, lugnet.robotics)
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| | Re: More juice out of the standard motors.
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|
Yes, I tried it. I don't know how the internals of the RCX work; all I know is I put 12V in, and got 9V out. -- Mark Haye, mhaye(at)tivoli(dot)com "Matthias Jetleb" <jetleb@netcom.ca> wrote in message news:3ab97dfc.301576...net.com... (...) (24 years ago, 23-Mar-01, to lugnet.robotics)
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| | Re: Curved Feet
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Well, if you read the page, you will find that they did papers on this principle. Try looking one directory back. Anyway, in the paper A 3-D passive-dynamic walking robot with two legs and knees, they described how they built the robot. Since thier (...) (24 years ago, 23-Mar-01, to lugnet.robotics)
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| | Re: Curved Feet
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(...) How about curved railway track? IIRC that gives you pieces about 16 studs long (little less for inner rail, more for outer) with an angle of 1/16th full circle (22.5 degrees). You can then call the beast "big foot" :-) Jürgen (24 years ago, 23-Mar-01, to lugnet.robotics)
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| | Re: Cheshire LEGOFest pictures
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(...) A flurry of activity! The r/c unit is indeed John's baby so you'd be best writing to him about it. It is an excellent unit which took a lot of work to source parts, design and build, so I think he has every right to receive a mometary reward (...) (24 years ago, 23-Mar-01, to lugnet.loc.uk, lugnet.technic, lugnet.robotics)
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| | Re: 3 Robot Project - ALL DONE ALMOST
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Sorry about getting to this so late. This message got lost. (...) I suggest replacing the wheels on your caster with medium pulleys (the ones similar to 24t gears), WITHOUT putting the "O-ring" tires on them. I have found this to be an excellent (...) (24 years ago, 23-Mar-01, to lugnet.robotics)
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| | Re: Robotics beginner question
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(...) It Is ;) .... witha couple of odd problems like the lack of delete[] and new operator, but they can be fairly easily overcame - Ciaran (24 years ago, 23-Mar-01, to lugnet.robotics)
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| | Re: Cheshire LEGOFest pictures
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(...) But we should respect her right not to. Scott A (...) (24 years ago, 23-Mar-01, to lugnet.loc.uk, lugnet.technic, lugnet.robotics)
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| | Re: Cheshire LEGOFest pictures
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(...) Sorry I thought Koen wanted the plans for the truck not the transmitter, You don't ushally use the word 'Masterpiece' to describe a black box full of electronics, then again I should have read his entire posting. Steve (24 years ago, 23-Mar-01, to lugnet.loc.uk, lugnet.technic, lugnet.robotics)
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| | OT: Was that you?
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While watching Wheel Of Fortune tonight (3/22), they had a contestant on named Michael ? (didn't get the last name) who said he builds and programs Lego Robots! Just wondering if this was The Michael Gasperi? On a game show? If not, who was it, and (...) (24 years ago, 23-Mar-01, to lugnet.robotics)
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| | Re: Curved Feet
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/nitpick on/ (...) Technically, you can't move your knee joint laterally. As for lateral toe movement - it's so small as to be trivial. /nitpick off/ Matthias Jetleb VA3-MWJ (24 years ago, 23-Mar-01, to lugnet.robotics)
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| | Re: Curved Feet
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Andy, I think the curved foot concept is the wrong direction for a two-legged mechanism. The few simple two-legged mechanisms I have seen rely on two feet, each with a VERY large footprint. Each footprint is large enough to support the weight of the (...) (24 years ago, 23-Mar-01, to lugnet.robotics)
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| | Re: Curved Feet
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(...) What about using #32250 liftarms? They may not be large enough for your needs, but here's a pic: (URL) Regards Micah J. Mabelitini - LUGNET #918 The University of Kentucky SECC Middlesboro Academic Skills Resource Center accutron@kih.net - (...) (24 years ago, 23-Mar-01, to lugnet.robotics)
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| | Re: Robotics beginner question
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(...) Well, if you want to keep the Lego 'firmware', you are pretty much stuck with 'NQC' (Not Quite C) which is a small C subset that generates the same kind of special bytecode as Lego's own graphical programming language. This is a relatively (...) (24 years ago, 23-Mar-01, to lugnet.robotics)
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| | Re: Curved Feet
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(...) Andy: That's an interesting site. I can't think of a way to make curved feet, BUT there is the 1x6 sloped beam. as seen here: (URL) was thinking that if you used two of these with the "studs" pointing down, you might be able to replicate that (...) (24 years ago, 23-Mar-01, to lugnet.robotics)
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| | Re: Cheshire LEGOFest pictures
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Perhaps you should let John Barnes answer for himself. Different people have different approaches here. Dave Baum, for example, has spent huge amounts of effort on NQC and has been quite happy for people to use his invention. (...) (24 years ago, 23-Mar-01, to lugnet.loc.uk, lugnet.technic, lugnet.robotics)
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| | Curved Feet
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Hi, Skip to the bottom for the question :) I am getting back into building robots now, and decided I wanted to build a 2 legged walker. I looked at the various Lego solutions, and realized that none used pneumatics. That began my quest to build a (...) (24 years ago, 23-Mar-01, to lugnet.robotics)
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| | Re: Robotics beginner question
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So you can choose what language you want to use? For example, could you use a C++ programing program like MS Visual C++, and transfer it to the RCX? Or is there specific software that comes with it? -Adam (...) (24 years ago, 23-Mar-01, to lugnet.robotics)
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| | Re: Cheshire LEGOFest pictures
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Yes ? Steven Lane <Steveroblane@aol.com> schreef in berichtnieuws GAMGB6.Joo@lugnet.com... (...) (24 years ago, 23-Mar-01, to lugnet.loc.uk, lugnet.technic, lugnet.robotics)
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| | Re: Robotics beginner question
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Any kind you want, there are a myriad of available languages to use with it, whether its the out of the box lego, paint by number language ;) , or the down and dirty full C/C++ legos language, and many others in between, forth, python, java, to name (...) (24 years ago, 23-Mar-01, to lugnet.robotics)
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| | Re: Robotics beginner question
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What kind of programming do you do with the RCX? ~Adam (...) (24 years ago, 23-Mar-01, to lugnet.robotics)
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| | Re: Cheshire LEGOFest pictures
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(...) You expect a genius to give away their secrets? Steve Lane P.S. not to mention all the hard work, development and, mental input? for free? (24 years ago, 22-Mar-01, to lugnet.loc.uk, lugnet.technic, lugnet.robotics)
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| | Re: Cheshire LEGOFest pictures
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Are there electronic layouts available to make this masterpiece ? I'd love to get my hands on those :-) Koen (...) a (...) but (...) need (...) 9V (...) the (...) two (...) pressed (...) (24 years ago, 22-Mar-01, to lugnet.loc.uk, lugnet.technic, lugnet.robotics)
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| | Re: Robotics beginner question
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(...) The expansion sets are meant to work with the Robotics Invention System (RIS), and to a (much) lesser extent the Robotics Discovery System (RDS). They don't integrate well with systems based on the micro-scout. The RCX is a big lego brick that (...) (24 years ago, 22-Mar-01, to lugnet.robotics)
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| | Robotics beginner question
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Hi there, I recently picked up a 9748 DDK. I think it is a pretty fun set, for the limited amount of things that it does. I was wondering if someone who knows more about the Mindstorms stuff can answer a few questions for me. What are the expansion (...) (24 years ago, 22-Mar-01, to lugnet.robotics)
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| | Re: More juice out of the standard motors.
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(...) Have you actually tried this? I've taken both my RCX's (1.0 & 2.0) apart, but, while there is a 5V regulator for the MCU, I couldn't see any regulator for the motor outputs. This doesn't mean it isn't there, just that I couldn't find it if it (...) (24 years ago, 22-Mar-01, to lugnet.robotics)
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| | Re: More juice out of the standard motors.
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(...) The day I got my RCX2.0, I took it apart and confirmed my suspicion that the motor drivers used in the 1.0 are similar to a Melexis MLX10204. A similar chip is used in the 1.0, but the Melexis chip is used in the 2.0. I then fired off an (...) (24 years ago, 22-Mar-01, to lugnet.robotics)
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| | Re: More juice out of the standard motors.
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(...) Have you tried building a transmission? Matthias Jetleb VA3-MWJ (24 years ago, 22-Mar-01, to lugnet.robotics)
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| | Re: Lego R/C etc
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(...) Your experiments are similar to one I am attempting, albeit for a different purpose. Currently, I'm leaning toward local oscillator and I.F. stage with a double balanced mixer from Mini Circuits to place me in the 144Mhz region (although (...) (24 years ago, 22-Mar-01, to lugnet.robotics)
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| | New Site
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I have created a new site as a reference for educators using RoboLab in the classroom. I would love to have some of you visit the site and provide feedback. At present we have only a few examples, but we are working on adding many more. The most (...) (24 years ago, 22-Mar-01, to lugnet.robotics.rcx.robolab, lugnet.robotics, lugnet.edu, lugnet.robotics.edu, lugnet.robotics.events.robot-arena, lugnet.robotics.rcx, lugnet.publish.html, lugnet.loc.us.in) !
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| | Re: Bug in RCX 2.0 beta (Was: RIS 2.0 software now in beta)
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(...) Hi Sebastian I think you're right in your analysis and TLG may silently have fixed the problem, because if you look at the Vision Command installation, you'll find that some of the SDK DLLs are newer in that release. For fun, I copied the DLLs (...) (24 years ago, 21-Mar-01, to lugnet.robotics.rcx, lugnet.robotics)
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| | RE: Need for chat server?
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Well ? :> Have I lost this thread or did you give up on the idea? I would hang around #Robotics, #Cybermaster, #VisionCommand, #NQC, #Mecha and #Market I even would create "my own" channel: #CM-RCX-comms hmmm... ok, just a thought, eheh One problem (...) (24 years ago, 21-Mar-01, to lugnet.robotics)
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| | RE: RCX & Cybermaster (VLL comms and MicroScout)
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On Tue, 20 Mar 2001, Marco Correia wrote: Actually, if I recall correctly, the sensor inputs are quite happy to accept voltage inputs up to 9V, in RAW mode anyway. It might not be good if they were in an "active" mode, though (rotation sensor, light (...) (24 years ago, 21-Mar-01, to lugnet.robotics)
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| | Re: Bug in RCX 2.0 beta (Was: RIS 2.0 software now in beta)
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Dear fellow Lego enthusiasts, so far I did not receive any feedback to my problem report, neither from the newsgroup, nor from Lego technical support. Could somebody please try to confirm that I am not completely stupid in my analysis! Regards, (...) (24 years ago, 20-Mar-01, to lugnet.robotics.rcx, lugnet.robotics)
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| | Preliminary Solar Cell Output Measurements
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These results are preliminary, but they'll give you some idea of the solar cell's capabilities. Outdoors - Full Overcast Voltage: 3.5V Amperage: 30mA Incandescent Lightbulb - 100W@1" Voltage: 4.1V Amperage: 150mA Indandescent Lightbulb - 100W@6" (...) (24 years ago, 20-Mar-01, to lugnet.robotics, lugnet.dacta)
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| | Re: Solar-Powered Hexapod Walker
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"Micah J. Mabelitini" <micahx@kih.net> wrote in message news:3AB7A891.656ABF...kih.net... (...) Well I guess that would make my model even more like the real thing. i.e. covered in solar cells regards lawrence (24 years ago, 20-Mar-01, to lugnet.robotics, lugnet.technic, lugnet.dacta)
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