 | | 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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| | Re: Solar-Powered Hexapod Walker
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"Henry OneTimeCRX" <hchea@kungstorget.nu> wrote in message news:3AB79780.921F8D...rget.nu... (...) Yes. That is just like the real one. So it can turn within its own circle to improve manouverability It turns by turning in the wheels, then running (...) (24 years ago, 20-Mar-01, to lugnet.robotics, lugnet.technic, lugnet.dacta)
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| | Re: Solar-Powered Hexapod Walker
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Henry OneTimeCRX wrote: <snip> (...) <snip> Yup, I had the same idea a few days ago. Use two laterally symmetrical solar cells, angled outward A-frame style. Connect the solar cells to the motor on the side opposite of them and you'd have an (...) (24 years ago, 20-Mar-01, to lugnet.robotics, lugnet.dacta)
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| | Re: Solar-Powered Hexapod Walker
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(...) I couldn't possibly imagine a single solar cell powering an RCX. Maybe an array of ten? The solar cell barely has the juice to drive the 5225 motor, and that's both under direct sunlight and under a 2 million candlepower spotlight at 6 inches. (...) (24 years ago, 20-Mar-01, to lugnet.robotics, lugnet.technic, lugnet.dacta)
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| | Re: Solar-Powered Hexapod Walker
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Regarding the solar powered walker and the mars rover, both are cool looking robots! I find that solar panel particularly interesting. Perhaps put a solar panel on each side, with each panel connected to one side of the robot... So when there is (...) (24 years ago, 20-Mar-01, to lugnet.robotics, lugnet.technic, lugnet.dacta)
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| | Small pneumatic cylinder
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Hello, Does anyone know where I can buy the small pneumatic cylinder, #5116? I am trying to build an all pneumatic 2-legged walker, and need one to turn the leg. I could use a motor, but I do not want all the extra weight of 2 motors, and I would (...) (24 years ago, 20-Mar-01, to lugnet.robotics)
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| | RE: RCX & Cybermaster (VLL comms and MicroScout)
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(...) [snip] (...) [snip] (...) Yep, besides using the "normal" Light->LightSensor type of comms, the direct electric connection is possible too, by using NQC's Off() and Float() commands, you simulate the ON/OFF state of a TouchSensor. This way, (...) (24 years ago, 20-Mar-01, to lugnet.technic, lugnet.robotics)
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| | Re: Solar-Powered Hexapod Walker
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"Micah J. Mabelitini" <micahx@kih.net> wrote in message news:3AB7204C.1AAE5E...kih.net... (...) Great model. Would the solar cell power an RCX unit? I built a large model of the Mars Rover using an RCX and adding a Solar Panel would be great (URL) (24 years ago, 20-Mar-01, to lugnet.robotics, lugnet.technic, lugnet.dacta)
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| | Re: Solar-Powered Hexapod Walker
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Thanks for the info on the solor cell and capacitor, I've been wondering how well they work. Gary BTW: nice bot! Micah J. Mabelitini <micahx@kih.net> wrote in message news:3AB7204C.1AAE5E...kih.net... (...) (24 years ago, 20-Mar-01, to lugnet.robotics, lugnet.technic, lugnet.dacta)
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| | Alternative source of chain links: dah bikes
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Another way to gather chain links is to pick up the semi-older motorbike sets from ebay, which generally go for sensible prices. I'm referring specifically to sets 8838 and 8422. Clocking at 240+ and 310+ pieces, they provide plenty of non-beam (...) (24 years ago, 20-Mar-01, to lugnet.robotics)
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| | Solar-Powered Hexapod Walker
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I built a simple solar-powered hexapod last weekend with some new parts I ordered from Pitsco. The walker is quite slow, using the LEGO solar cell to power a 5225 9V motor, which drives a worm gear coupled directly to a 24T gear. I've found the LEGO (...) (24 years ago, 20-Mar-01, to lugnet.robotics, lugnet.technic, lugnet.dacta) !
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| | Re: Turntables and Chains
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(...) You can buy both turntables and chains from the Pitsco Dacta people (neither are very cheap!) 35 chain links really don't go very far - each link ends up being only the size of two gear teeth. It takes 20 links just to go once around a 40t (...) (24 years ago, 20-Mar-01, to lugnet.robotics)
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| | Re: RCX & Cybermaster (VLL comms and MicroScout)
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(...) Thx, Marco. I'm investigating! btw, Do you mean that they communicate through a standard lead attached to sensor inputs, say, or some other electrical connection? Interesting that the CM can't communicate at speed, but the MS & CP will. I'd (...) (24 years ago, 20-Mar-01, to lugnet.technic, lugnet.robotics)
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| | Re: RCX & Cybermaster
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(...) The Cybermaster is a pretty big unit. It's turquoise, and the same width & depth as an RCX, but about 2/3 longer. I only just bought the Cybermaster (£50 at amazon.co.uk - bargain!), and I didn't really know what to expect - Fyi, the (...) (24 years ago, 20-Mar-01, to lugnet.technic, lugnet.robotics)
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| | Turntables and Chains
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I've been scoping out a few odds and ends pieces at S@H, and was hoping to buy some turntables and some chain drive to try building my own syncro bot. I can't find any reference to what kit the large turntables come in, and I can only find chain in (...) (24 years ago, 19-Mar-01, to lugnet.robotics)
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| | Re: Cheshire LEGOFest pictures
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Yes, so do I! Greetings Maico Arts "Michael Edwards" <medwards@ukonline.co.uk> wrote in message news:G9s1sv.56H@lugnet.com... (...) (URL) >> (...) involved (...) radio (...) really makes a (...) workings, but (...) does not need (...) controlled (...) (24 years ago, 19-Mar-01, to lugnet.loc.uk, lugnet.technic, lugnet.robotics)
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| | Maxwells Demons - official rules
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A number of people have asked me to post the rules for a robot competition that we had at my place in January of this year. The competition is called "Maxwell's Demons" after the imaginary quantum physics entity that tries to separate all the hot (...) (24 years ago, 19-Mar-01, to lugnet.org.us.smart, lugnet.robotics)
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| | Re: SDR video
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(...) Scott (24 years ago, 18-Mar-01, to lugnet.robotics)
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| | Re: 10% off at CompUSA
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(...) I cleared the shelves at COMP USA at 38th and 5th. *grin* Scott (24 years ago, 18-Mar-01, to lugnet.robotics)
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| | Re: new robot webpages
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Yes Rainer. I've been visiting your site and have seen your six_legs several times. very nice work. regards lvqh (...) (24 years ago, 17-Mar-01, to lugnet.robotics)
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| | 10% off at CompUSA
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As many of you know, Comp USA has some good discounts on the Lego Mindstorms and Movie Kits. This Saturday, 3/17, they are having a 10% sale in case you want to get some of these. (24 years ago, 17-Mar-01, to lugnet.market.shopping, lugnet.robotics)
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| | Re: BrickBots.Com Contests Extended - Balancing a Pendulum is HARD!
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I'm glad you are extending this too. I have something in the works that I think might succeed. Gus (24 years ago, 16-Mar-01, to lugnet.robotics)
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| | Re: BrickBots.Com Contests Extended - Balancing a Pendulum is HARD!
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(...) I've built two different designs, each of which can stay balanced for typically 6 seconds or do before giving up and dying spectacularly (one of these was nearly as tall as I am). I'm glad you extended the contest - I still have hopes of (...) (24 years ago, 16-Mar-01, to lugnet.robotics)
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| | Re: new robot webpages
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(...) Hi LVQH, nice work ! Have you seen my 6-legged ? Have a look at : (URL) (24 years ago, 16-Mar-01, to lugnet.robotics)
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| | new robot webpages
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Hello! I'm happy to anounce that my homepage is now avaiable for you to visit at (URL) must recommend you to see the 6_legs_bugs. in Lego robots section. Please feel free to comment the site. In the "links" section I referred to some of the sites (...) (24 years ago, 16-Mar-01, to lugnet.robotics)
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| | Re: Edge Tracking SteerBot LUGNET Page
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(...) I especially like the way you put the motor next to the differential, I wish I had had that idea when I encountered the same problem. While we're at it, I just saw that there is a racing competition for edge-tracking robots coming on in (...) (24 years ago, 16-Mar-01, to lugnet.robotics)
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| | Re: Which H8
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The RCX uses the H8/3292, a member of the H8/3297 series. (24 years ago, 16-Mar-01, to lugnet.robotics)
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| | Re: killer mindsorms robots [okay, my bad]
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I've picked up some good books recently: "The Robot Builder's Bonanza 2nd Ed", (URL) has some Mindstorms contents and circuit diagrams for new sensors, but is mainly aimed at constructing robots from wood, plastic, metal, etc. "More Advanced (...) (24 years ago, 16-Mar-01, to lugnet.robotics)
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| | Which H8
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Hitachi makes several versions of the H8 processor. Could anyone tell me which version (H8/3???) is in the RCX? Thanks. Bill Taffe Plymouth State College (NH) (24 years ago, 16-Mar-01, to lugnet.robotics)
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| | Re: Edge Tracking SteerBot LUGNET Page
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(...) What's there to say? The pictures say it all, excellent pice of work! - Minimalistic design, (I like that). - Ingenious solution/construction. - Really good programming. I have try build one by looking at the pictures... //Harri Manni -"Do not (...) (24 years ago, 16-Mar-01, to lugnet.robotics)
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| | Re: Edge Tracking SteerBot LUGNET Page
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I am very impressed with that robot, the first time i saw the movie, month ago or so, I made the same "whoa" sound as the other people did in the clip. I'd never guessed a line following robot could move so fast, but I'm just a novice, I've only had (...) (24 years ago, 16-Mar-01, to lugnet.robotics)
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| | Re: Edge Tracking SteerBot LUGNET Page
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Since my original posting I have added an animated GIF of the robot going around my test track. This animated GIF was made from a QuickTime .mov file. This was my first attempt at making animated GIFs. They are pretty cool but they do require a fair (...) (24 years ago, 16-Mar-01, to lugnet.robotics)
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| | Re: More juice out of the standard motors.
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I used to regularly drive LEGO 9V motors at about 12V with no observed damage. I assume the increased power/torque would be proportional to the voltage, i.e. 33% more voltage gets you 33% more power/torque. However, I don't know how to get more than (...) (24 years ago, 15-Mar-01, to lugnet.robotics)
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| | Edge Tracking SteerBot LUGNET Page
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I just put up a page with photos and NQC code of my SteerBot robot. SteerBot is an edge tracking robot that steers like a car. (URL) background: Since getting my first Mindstorms kit a few years ago, I attempted several times to build a line or edge (...) (24 years ago, 16-Mar-01, to lugnet.robotics)
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| | Re: killer mindsorms robots [okay, my bad]
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You're right, the one I got is 'Extreme Mindstorms' "Killer Mindstorms", "Extreme Mindstorms"...all this hyperbole flying around...I got confused, sorry for any misunderstanding... (URL) it's not bad, and after reading more of it last night, it's (...) (24 years ago, 15-Mar-01, to lugnet.robotics)
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| | Re: German language Group
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Hallo Marc, warum nicht ?!? Viele Deutsche mit schlechten englisch Kenntnissen wuerden sich bestimmt freuen. Andererseits teilt man hier seine Ideen mit einer groesseren Gemeinde. (Why not ?!? Many of the germans with bad english knowledge would for (...) (24 years ago, 15-Mar-01, to lugnet.robotics)
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| | German language Group
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Hi All! Is there any need of a german language based lugnet newsgroup? I think it would be nice, how do YOU think ? Bye, Marc. (24 years ago, 15-Mar-01, to lugnet.robotics)
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| | Re: killer mindsorms robots [I just got it!]
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(...) Are you sure it's not called "Extreme Mindstorms"? amazon.com lists some more books to be released: Creative Projects with LEGO Mindstorms by Benjamin Erwin (release 2001-04-06) Joe Nagata's Lego Mindstorms Idea Book by Joe Nagata (release (...) (24 years ago, 15-Mar-01, to lugnet.robotics)
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| | RE: RCX & Cybermaster (VLL comms and MicroScout)
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Hi Chris, Do a search for "CM-RCX Comm" thread, in lugnet.robotics :) That's (still) my main current project. It works. It's possible to make a CM and a RCX communicate with each other through "eletric" (or light but I didn't test the input through (...) (24 years ago, 15-Mar-01, to lugnet.technic, lugnet.robotics)
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| | Re: killer mindsorms robots [I just got it!]
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My wife surprised me and actually *went* to my wishlist on amazon, and ordered me 'Killer Mindstorms an Advanced Guide' I'm gonna sit down with it more this weekend, but I already am planning a trip to the local Radio Shack to get parts for the (...) (24 years ago, 15-Mar-01, to lugnet.robotics)
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| | Re: Vision Command Nightmare (long post)
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(...) Nope, it's a genuine Intel Pentium 233 MMX. It was a fresh install of Win98SE too, just to use the box for the webcam. (24 years ago, 15-Mar-01, to lugnet.robotics)
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| | Re: Vision Command Nightmare (long post)
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Are you running an AMD Processor on your TX5 ? I found some obscure references that say the logitech software and the LEGO(R) stuff won't run on certain K6's. My K6-300 and my K6-233 do exactly what you describe : ( I took mine to work and it works (...) (24 years ago, 15-Mar-01, to lugnet.robotics)
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| | Re: More juice out of the standard motors.
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(...) It could be that I am misinterpreting it, but the original post seemed to ask the question "How do you get more power out of the Lego motors?" It was not about gearing or rotation sensors at all. These things are important but the implication (...) (24 years ago, 14-Mar-01, to lugnet.robotics)
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| | Re: BrickBots.Com Contests Extended - Balancing a Pendulum is HARD!
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Hi Richard, There has been an inverted pendulum balancer done using RCX and legos before. Here is a link to one of these projects (made by the author of the biped1 robot): (...) (24 years ago, 14-Mar-01, to lugnet.robotics)
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| | Re: Vision Command Nightmare (long post)
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(...) I brought my VC camera into work to use as a webcam last week. I've yet to get it to work. I had it working fine at home on a PII system, but something about this ABIT TX5 board just gives me a black screen. I also tried the "Fix it" button, (...) (24 years ago, 14-Mar-01, to lugnet.robotics)
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| | BrickBots.Com Contests Extended - Balancing a Pendulum is HARD!
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Hi Folks, I have decided to extend the current contest (Top Spinning and Inverted Pendulum Balancing) at BrickBots.Com for two more weeks. The top spinning contest had one entry during the original timeframe, and a great one at that! You can see (...) (24 years ago, 14-Mar-01, to lugnet.robotics)
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| | Re: More juice out of the standard motors.
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(...) if there's enough space around you can add the rotation sensor on an auxiliary axle with an 8t gear, and an 24t gear on the direct drive axle. best, yaco\ (24 years ago, 14-Mar-01, to lugnet.robotics)
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| | Re: Vision Command Nightmare (long post)
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David (and all), I don't blame lego for the problem. But I have my computer so tweaked (mostly to run varying simulations) that sometimes new software can through it out of wack. Perhaps when I get a new computer I will get VC again (hey Brickbay is (...) (24 years ago, 14-Mar-01, to lugnet.robotics)
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| | Re: More juice out of the standard motors.
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(...) The original supplicant wanted to use rotation sensors - so I guess direct drive is out. I guess you can use an axle extender and use the sensor as a bearing - but you won't get a very precise position reading if you can only sense position (...) (24 years ago, 14-Mar-01, to lugnet.robotics)
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| | Re: Vision Command Nightmare (long post)
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"Mike Broam" <cybrid26@hotmail.com> wrote in message news:GA5t9E.68A@lugnet.com... (...) machine ---...---snip---...--- I had no problems with VC at all (great software and camera for the price), two of my buddies bought and installed one, also with (...) (24 years ago, 13-Mar-01, to lugnet.robotics)
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| | Vision Command Nightmare (long post)
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I recently purchased Vision Command from Target.Com. I own an aging machine (p-233, 64 ram, win ME) but one that stil suits my needs. Running Windows ME I thought that using USB devices would be no problem. I went through the install process, and (...) (24 years ago, 13-Mar-01, to lugnet.robotics)
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| | RE: Off topic
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On the same off topic line. Is there a list for us electronics wanna be’s somewhere? phil -----Original Message----- From: Schaaf John [mailto:JSchaaf@wyseadv.com] Sent: Tuesday, March 13, 2001 2:00 PM To: lego-robotics@crynwr.com Subject: Off topic (...) (24 years ago, 13-Mar-01, to lugnet.robotics)
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| | Re: More juice out of the standard motors.
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I think the best solution is to use NO gears. Without the additional friction of the gears and axles through beams, the motors are surprisingly powerful. I have had very good experience with direct drive robots. I suggest that you experiment with (...) (24 years ago, 13-Mar-01, to lugnet.robotics)
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| | RE: W2K
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I don't know of anybody who has successfully implemented the mindstorms sw on W2K, I worked at it for a while. I think RCXX Command Center works ok with W2K but can't be absolutely sure about that. phil -----Original Message----- From: Benjamin (...) (24 years ago, 13-Mar-01, to lugnet.robotics)
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| | RE: Lego R/C etc
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erm... for LEGO purists, there's LEGO #8483 Technic CyberMaster ;) (a pBrick with RF PC control that provides a perfect Lego roverbot chassis) Check (URL) -----Original Message----- (...) (24 years ago, 13-Mar-01, to lugnet.robotics)
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| | Re: More juice out of the standard motors.
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(...) In general terms, worm gears are less efficient than standard gears as they have more inherent friction - essentially, driving a worm gear is like pushing something up an inclined slope. How much this translates into a lego system I have no (...) (24 years ago, 13-Mar-01, to lugnet.robotics)
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| | Re: More juice out of the standard motors.
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(...) This would cause the weight to go down for acceleration, but then when you turned off the motors, you would coast a shorter distance due to your less inertia. It would depend if you were building a robot for pure acceleration, or not. It would (...) (24 years ago, 13-Mar-01, to lugnet.robotics)
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| | Re: More juice out of the standard motors.
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(...) Assuming the robot is being used self-powered (versus with AC adapter), would there be benefit in modifying the RCX to run off a single 9 volt versus all those AA's? That would save quite a bit of weight. :) Doing this wouldn't be "Lego pure" (...) (24 years ago, 13-Mar-01, to lugnet.robotics)
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| | Re: Lego R/C etc
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WOW ! Sounds like someone answered my prayers. #3 appeals to me. It sounds like just the thing to run the AI on a PC and remotely control the LEGO(R) Chassis. Would it be too much to ask for pics of the prototypes ? -Xanthra47 "John Barnes" (...) (24 years ago, 13-Mar-01, to lugnet.robotics)
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| | Re: Solenoid Pnuematic Valve
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hey Jeff: Those pictures you sent me a while ago are still on my web site. they are @: (URL) I went and bought 2 of these valves just so I can try to "make" a 4 way valve. I have a crude proto type, and it sort-a fits in a 4x4 lego brick. sorry no (...) (24 years ago, 13-Mar-01, to lugnet.robotics)
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| | Re: More juice out of the standard motors.
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Tricky , Tricky, here's the dilly, 8 to 24 tooth makes the fastest, but low output power, try to find the proper combo so your motors don't work to hard, add a worm gear to hold off the back spin, then try some more gears to get the speed you need, (...) (24 years ago, 12-Mar-01, to lugnet.robotics)
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| | More juice out of the standard motors.
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Hello I'm trying to make a robot go as fast as possible, but it seems that the power of the engines are stopping me. I own one RIS kit and nothing more. Can i add some more batteries or something? -- Magnus Fasting E-mail: pleboy@online.no Icq: (...) (24 years ago, 12-Mar-01, to lugnet.robotics)
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| | Re: What is an RCX 2.0?
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(...) These numbers (especially the Free Memory Left) are not significantly different from what I get from my RCX 1.0 brick. Hao-yang Wang (24 years ago, 12-Mar-01, to lugnet.robotics)
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| | Lego R/C etc
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I'm sorry for the delay in being able to post on this subject. I've been out of town for a couple of weeks, and will be away for a few days this week as well. It's the busy season for me! Here is the current state of the game; I have built a few (...) (24 years ago, 12-Mar-01, to lugnet.robotics)
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| | Re: Gear Down Robot`
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(...) Ok, so it's not 8:40 ratiom but you can easily compensate for that. Pictures are at: (URL) also working on a motor control library that combines speed measurement, distance measurement, stall detection and proprotional feedback for control. (...) (24 years ago, 12-Mar-01, to lugnet.robotics)
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| | Re: Gear Down Robot`
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(...) I have an MLCad .dat (substructure) file I can send you, or anybody, if wanted. NOt sure of the ratio, though. Might give you ideas though. Send your email address to my email address at ElectroDFW <at> cs <dot> com, with subject: Geartrain. (...) (24 years ago, 12-Mar-01, to lugnet.robotics)
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| | Re: What AC adapter to use for RIS 1.0?
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Hello everyone, I've just signed up to this mailing list and it looks like there's a lot of cool information being passed around here. Anyway, I have an RCX 1.0 with the power jack. Some time ago, I noticed the markings in the plastic above the (...) (24 years ago, 11-Mar-01, to lugnet.robotics)
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| | Gear Down Robot`
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Has anyone created a geared down robot with a gear ratio of 8:40 x 8:40? My original creation is not 'good enough' to go in a straight line and after all the repsonds to my original message I still can not build one. I suck at the building part of (...) (24 years ago, 11-Mar-01, to lugnet.robotics)
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| | Re: Need Decision Help - Buy RIS 1.5 now or 2.0 later
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(...) Actually, I wouldn't read too much into that. I just received my RIS 1.5 on Friday and it contained and RCX 2.0, but the photos in the manuals and on the box show at least 15 different RCX 1.0's (including 3 with 5 digit serial numbers). I (...) (24 years ago, 11-Mar-01, to lugnet.robotics)
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| | Re: Need Decision Help - Buy RIS 1.5 now or 2.0 later
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(...) Strictly speaking, there is a difference, physically, between the 1.0 and the 1.5 or 2.0 RCX (I have a 1.0 and a 2.0). The 1.0 has an external power jack. This doesn't effect the physical characteristics of the RCX as far as where and how you (...) (24 years ago, 11-Mar-01, to lugnet.robotics)
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| | Re: What AC adapter to use for RIS 1.0?
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(...) A final word on this subject. I've posted two replies already but have missed the obvious until today. Unfortunately, it's so obvious that it's embarrassing. I made a comment that I was surprised that there were no instructions in the manual (...) (24 years ago, 11-Mar-01, to lugnet.robotics)
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| | Re: What is an RCX 2.0?
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(...) With 1.5 firmware Diag: Version 03.01/03.09 Memory Map: Datalog Start Pointer: 20867 Datalog Current Pointer: 20870 Total Memory Used: 20870 Top of Memory: 26297 Free Memory Left: 5427 I just got it for one day so I do not know what they (...) (24 years ago, 11-Mar-01, to lugnet.robotics)
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| | Re: Need Decision Help - Buy RIS 1.5 now or 2.0 later
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Thanks to everyone who responded, both by posting and email. I had a great time looking at Jin Sato's site as well as other Japanese Mindstorms sites, thanks Juergen. Isn't it odd that the Japanese version of RIS 2.0 shipped back in November but (...) (24 years ago, 10-Mar-01, to lugnet.robotics)
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| | RE: Solenoid Pnuematic Valve
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That's the one. I used the low pressure version to get the 1/2 watt rating I.E. 5VDC @ 100mA. It works, but it has a few drawbacks....It's a traditional 3 way valve (Com, NO, NC) so it doesn't vent the same way the Lego valves do, you'd need two to (...) (24 years ago, 10-Mar-01, to lugnet.robotics)
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| | Re: DDK - What use are they / lower prices seen
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With the news of steep discounts on the Droid developer kit, I located fours sets at a CompUSA in Austin, and bought them all at $29.99 each. Will probably give two away as gifts and use the other two this week, which happens to be spring break for (...) (24 years ago, 10-Mar-01, to lugnet.robotics)
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| | Re: Need Decision Help - Buy RIS 1.5 now or 2.0 later
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(...) There used to be a scan of the 2.0 contents page on Jin Satos site, but currently I can't get it from here. AFAIR the differences were not spectacular, some fiber optic piece that fit on the light sensor is added, there still are no steering (...) (24 years ago, 10-Mar-01, to lugnet.robotics)
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| | Re: What is an RCX 2.0?
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See also Martin Eriksson's post at (URL). Hao-yang Wang (24 years ago, 10-Mar-01, to lugnet.robotics)
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| | Re: What is an RCX 2.0?
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(...) So you got the same late shipment from Future Shop too? I was hopping that we may get a RIS 2.0, but a RIS 1.5 is still great for the 50% off price. I also have no idea if the RCX 2.0 has any physical difference compare to a RCX 1.5. (24 years ago, 10-Mar-01, to lugnet.robotics)
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| | Re: Need Decision Help - Buy RIS 1.5 now or 2.0 later
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(...) for (...) the (...) Maybe, maybe not. Last time I checked lugnet's list of LEGO retailers, there is a place on the web selling 1.5 sets for ~$150.00, and they had them in stock! Alan C Pflugerville, Texas there is also EBay but in limited (...) (24 years ago, 9-Mar-01, to lugnet.robotics)
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| | Re: Solenoid Pnuematic Valve
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I'm no sure if those are the ones, but a long time ago somebody tried these: (URL) not sure of the results, but would be interested to find out about either of them. Martin ----- Original Message ----- From: "Marc Klein" <marc.klein@free.fr> To: (...) (24 years ago, 9-Mar-01, to lugnet.robotics)
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| | Sv: killer mindstorms robots
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I did not know of this book, it looks interesting. BTW, searching on Barnes&Noble showed 11 Mindstorms books! I believe only a few have been discussed on this list. Oddly, some of them are from the early 80's and not about Lego at all. Thomas (...) (24 years ago, 9-Mar-01, to lugnet.robotics)
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| | Re: Need Decision Help - Buy RIS 1.5 now or 2.0 later
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I'm sorry to say that I don't have anny suggestions, just some more info to consider. I imagine that the difference between RIS1.5 and RIS2.0 will be the software. This was the major difference between RIS1.0 and RIS1.5; RIS1.5 was easier to use and (...) (24 years ago, 9-Mar-01, to lugnet.robotics)
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| | Need Decision Help - Buy RIS 1.5 now or 2.0 later
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I need to make a decision about purchasing Mindstorms kits for my sons school. We have decided to buy 5 or 6 RIS kits. The question is, should we buy 1.5 kits that I can get a hold of now or should we wait until fall to get the 2.0 kits? So far, I (...) (24 years ago, 9-Mar-01, to lugnet.robotics)
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| | Re: Solenoid Pnuematic Valve
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(...) Was it these valves ? (URL) not, they seem intersting, but I have no information about cost, availibility, efficency with RCX. I just found that in a magazine. Marc Klein A Mindstorms fan. (24 years ago, 9-Mar-01, to lugnet.robotics)
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| | Macromedia Director active X control for the rcx
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Hi group has any one used the active x control with macromedia director 7 or later? it has the opetion to control the rcx. can any one send me a small program to run just one motor , then i can get an idea of how it works .. Mac (24 years ago, 9-Mar-01, to lugnet.robotics)
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| | Re: 3 Robot Project - ALL DONE ALMOST
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Looks good : ) Nice and compact ! Thanks for sharing this. "Gustav Jansson" <GJansson@aol.com> wrote in message news:G9uM19.C84@lugnet.com... (...) (24 years ago, 9-Mar-01, to lugnet.robotics)
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| | Re: 3 Robot Project - ALL DONE ALMOST
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A spherical roller is just a ball in a loose fiting socket like on the underside of a mechanical mouse. (Computer pointing device, not a robo-rodent !) Some people actually use the tops of roll on anti-perspirant bottles for casters on small (...) (24 years ago, 9-Mar-01, to lugnet.robotics)
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| | Re: What is an RCX 2.0?
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I have heard that RCX 2.0 has more memory in it than RCX 1.0 . Could you use tools like RcxCC to check the amount of memory in your RCX 2.0? Cheers, Hao-yang Wang (24 years ago, 8-Mar-01, to lugnet.robotics)
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| | Re: What is an RCX 2.0?
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(...) That's interesting. (...) Neither does the RCX 1.5 (...) Yes - I think so. We aren't aware of any hardware differences between 1.5 and 2.0 and the only difference between 1.0 and 1.5 is the external power socket. (...) Exactly...and you can (...) (24 years ago, 8-Mar-01, to lugnet.robotics)
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| | What is an RCX 2.0?
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Hi folks, Apologies if this has been asked before, but I'm a little stumped. I just received a RIS 1.5 set, and inside was a yellow brick labelled RCX 2.0. I'm reasonably familiar with the RCX 1.0, and I have a 1.0 with a power jack. This one has no (...) (24 years ago, 8-Mar-01, to lugnet.robotics)
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| | Re: Cheshire LEGOFest pictures
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(...) Hot diggety!! (Starts drooling) when can I get one????!!!!???? How about this? Using old blue or grey rails (non-conducting), you could have a transmitter & 8 receivers (assuming of course that the receivers'll be available separately?), one (...) (24 years ago, 7-Mar-01, to lugnet.loc.uk, lugnet.technic, lugnet.trains, lugnet.robotics)
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