 | | 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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| | 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: 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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| | 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: 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: 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: 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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(...) 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: 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: 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: 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: 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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| | 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: 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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| | 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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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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(...) 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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| | 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: 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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| | 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: 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: 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: 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: 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: 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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(...) 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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| | 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: 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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| | 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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| | 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: 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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| | 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: 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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(...) 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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| | 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: 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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| | 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: 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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| | 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: 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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