 | | Re: I was thinking about bipedal walkers this morning and....
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(...) Dunno but this non-LEGO robot (with knees) has been taught to run (URL) wish there was a video available on the net somewhere - I saw it on TV yesterday, and though it's difficult to tell it's running, it does seem rather more "human-like" (...) (22 years ago, 18-Dec-03, to lugnet.technic, lugnet.robotics)
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| | Re: I was thinking about bipedal walkers this morning and....
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(...) Hi Mark, I have never seen a walker like this. I'd be the last person to say it can't be done. Kevin (...) (22 years ago, 18-Dec-03, to lugnet.technic, lugnet.robotics)
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| | Re: I was thinking about bipedal walkers this morning and....
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(...) Yes, there was a lot of work on this at the MIT robotics lab back in the 70s/80s, with bipedal, quadrupedal, and even unipedal hoppers. To get it to work, you need good orientation and/or acceleration sensors (I believe that the MIT folks used (...) (22 years ago, 18-Dec-03, to lugnet.robotics)
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| | Re: I was thinking about bipedal walkers this morning and....
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Yes, I did a prototype using pneumatics as muscles. It worked semi-well - the thing walked somewhat, although in a very stiff gate. The main problem came from using pneumatics. I couldn't keep the pressure high enough to swing the legs back out (...) (22 years ago, 18-Dec-03, to lugnet.robotics)
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| | Sony Claims First Running Humanoid Robot
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Thought this would be of interest to the group - if you haven't seen it already! (URL) here's the link to the Slashdot discussion: (URL) (22 years ago, 18-Dec-03, to lugnet.robotics)
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| | I was thinking about bipedal walkers this morning and....
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Consider the way we walk... we start by effectively starting to lean slightly forward, and we swing a leg some distance in front of ourselves to stop from falling. We then start to bring the other leg forward as we reupright ourselves and repeat the (...) (22 years ago, 18-Dec-03, to lugnet.technic, lugnet.robotics)
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| | Re: Mindstorms programming HELP wanted
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(...) Oh, believe me, there will be copious amounts of spirits this holiday season...whoo-hoo!! (22 years ago, 17-Dec-03, to lugnet.robotics)
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| | Re: Mindstorms programming HELP wanted
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Hi Jean-Marc, Besides doing a google using something like 'books Lego Mindstorms' to find Mindstorm specific books I can suggest, Programming the Parallel Port 0-87930-512-4 Programming Robot Controllers 0-07-140851-7 Mobile Robots 1-56881-011-3 (...) (22 years ago, 17-Dec-03, to lugnet.robotics)
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| | Re: Mindstorms programming HELP wanted
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Hi Jean-Marc, Brian Bagnall's "Core Lego Mindstorms Programming" would be an excellent place for you to start. Learning how to program is always more fun when you have a specific goal in mind, and this book gets you running without drowning you in (...) (22 years ago, 17-Dec-03, to lugnet.robotics)
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| | Re: Mindstorms programming HELP wanted
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Hi Jean-Marc, (...) ... (...) (URL) Be the holiday spirits with you, Happy Holidays y Felis Navidad! -- -- Open Forge, LLC 24/365 Onsite Support for PCs, Networks, & Game Consoles 512-695-4126 (Austin, Tx.) help@open-forge.com irc.open-forge.com (...) (22 years ago, 17-Dec-03, to lugnet.robotics)
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| | Re: Mindstorms programming HELP wanted
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Hi, "The Definitive Guide to Lego Mindstorms" by Dave Baum is a great reference for NQC "Extreme Mindstorms" is a sequel to Definitive Guide and contains chapters on NQC, pbforth, brickos(legos), and homebrew sensors by Dave Baum, Ralph Hempel, Luis (...) (22 years ago, 17-Dec-03, to lugnet.robotics)
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| | Mindstorms programming HELP wanted
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Hello there, I'm enjoying my RIS, but I have big trouble to program my MOCs. Beeing a complete newbie at programming, my brain is very chalenged and I have trouble to find good litterature to help me. I recently borrowed mindstorms for dummies from (...) (22 years ago, 17-Dec-03, to lugnet.robotics)
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| | Re: RCxcc
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(...) I already got it.thanks anyway. -Nick (22 years ago, 16-Dec-03, to lugnet.robotics.scout)
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| | Re: Spybot on shop@home
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(...) You will have fun with it! I know I did! It's like a video game, except in real life :) Gave one to my nephew a while back and he still does missions with it. Dave K (22 years ago, 16-Dec-03, to lugnet.robotics.spybotics)
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| | Spybot on shop@home
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The german shop@home dropped the spybots from 80+ Euro to 41 Euro. So I finally gave up and ordered one :) Regards, Michael (22 years ago, 16-Dec-03, to lugnet.robotics.spybotics)
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| | Re: RCxcc
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use bircxcc (22 years ago, 14-Dec-03, to lugnet.robotics.scout)
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| | Re: Bump switches and "aggression"
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there's probably a way to use a light sensor to sense four different colored bricks. one for each direction. = sensor red ylw blue wht / ---\ /---- different heights of 'wedges' would lift a column, as a bumper is either slid in, or the bumper (...) (22 years ago, 16-Dec-03, to lugnet.robotics)
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| | Re: Bump switches and "aggression"
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You could attach 2 touch sensors to each port and take a look at the raw values when different combinations of the sensors are pressed. ----- Original Message ----- From: "Øyvind Steinnes" <phoenix@online.no> To: <lego-robotics@crynwr.com> Sent: (...) (22 years ago, 16-Dec-03, to lugnet.robotics)
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| | Re: Bump switches and "aggression"
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By the way, there are 5 states, all switches off, and each of the 4 switches. (That does not count the combinations if more than one switch were triggered at the same time). Thus a binary solution would take three inputs, just one less than the (...) (22 years ago, 16-Dec-03, to lugnet.robotics)
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| | Re: Alternate Energy Sources
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"Nikhil Sarma" <lego-robotics@crynwr.com> wrote in message news:1071524909.3fde...ojo.com... (...) prospect of (...) I have done some experimenting with the Lego Solar panel with the Lego capacitor. Each solar panel with the capacitor will provide (...) (22 years ago, 16-Dec-03, to lugnet.robotics)
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| | Re: Bump switches and "aggression"
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For a pure Lego solution, you could try rigging up something with a rotation sensor that would have the sensor point in the direction of the collision. Suppose the rotation sensor was mounted with it's input shaft pointing up vertically - with a (...) (22 years ago, 16-Dec-03, to lugnet.robotics)
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| | Re: Bump switches and "aggression"
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There was discussion of one company that made switches with analog values that could be mixed, but they were apparently either expensive or hard to find (at least there was some difficulty). But simple resistor network, say a load resistor to ground (...) (22 years ago, 16-Dec-03, to lugnet.robotics)
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| | Re: Alternate Energy Sources
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(...) It would take a truly immense number of solar panels to drive an RCX with a couple of motors. The Lego Solar Panel (you can get it from Pittsco Dacta from their educational stuff) just barely drives one motor...very slowly - and then only in (...) (22 years ago, 15-Dec-03, to lugnet.robotics)
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| | Re: Bump switches and "aggression"
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"Rob Limbaugh" <lego-robotics@crynwr.com> wrote in message news:004201c3c2be$0a...markera... (...) can (...) How can I attach lets say 4 switches so the make a binary code, (4switches should need only two ports). I want to have one switch on each (...) (22 years ago, 15-Dec-03, to lugnet.robotics)
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| | Alternate Energy Sources
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I'm programming the RCX in the leJOS environment and don't like the prospect of downloading the firmware everytime I have to replace batteries. How good and reliable are the solar panels available for the RCX 2.0? Is anybody on the list using an (...) (22 years ago, 15-Dec-03, to lugnet.robotics)
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| | Re: Direct Link (was Global Objects was Strange RCX startup issues)
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(...) perfect! Step by step directions. Thanks. (...) So, now I can use the 'run' button to do other stuff, right? Or, for that matter, I could do other stuff with the On/Off button. After I turn it off (using the code listed), then, I can just turn (...) (22 years ago, 15-Dec-03, to lugnet.robotics.rcx.legos)
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| | Re: Vision command + linux
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(...) Can you explicit your method, give us some reference ? I really want to try it ! nanobapt (22 years ago, 15-Dec-03, to lugnet.robotics)
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| | Re: Bump switches and "aggression"
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Finally, I think I see the point to the 360-degree-all-purpo...-sensor... I was preparing a comment about putting a bot with only one bump sensor into an empty, small (two-foot) diameter arena and wait for it to get stuck... Then I realized that it (...) (22 years ago, 15-Dec-03, to lugnet.robotics)
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| | Re: Vision command + linux
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(...) Do you have a web site or something where I could read more about this? ---...--- Steve Baker ---...--- HomeEmail: <sjbaker1@airmail.net> WorkEmail: <sjbaker@link.com> HomePage : (URL) : (4 URLs) GEEK CODE BLOCK----- GCS d-- s:+ a+ C++++$ (...) (22 years ago, 14-Dec-03, to lugnet.robotics)
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| | Re: Vision command + linux
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Steve (...) That must be fairly costly if you want bigger offsets and probably fails during a zoom or roll of the camera. (...) Makes sense. If you convert the image into (straight or curved) line segments then its easier and cheaper to match (...) (22 years ago, 14-Dec-03, to lugnet.robotics)
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| | walking robot
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Hi, I find on brickshelf this nice walking robot. I would like to see a video......... (URL) (22 years ago, 14-Dec-03, to lugnet.robotics)
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| | Re: Bump switches and "aggression"
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(...) Actually you don't, you want a different level of sensors to evaluate the environment (eg ir object sensors). You're just complicating your design by putting too many functions on each layer of sensors. For example, something bumps you from (...) (22 years ago, 13-Dec-03, to lugnet.robotics)
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| | Re: Direct Link (was Global Objects was Strange RCX startup issues)
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(...) Ok, I'll take a shot at it: 1) Make a new directory in the root BrickOS directory called pgm. 2) Copy the files config.h and Makefile from the boot directory to the pgm directory. 3) Copy your C files to the pgm directory. 4) Edit config.h (in (...) (22 years ago, 13-Dec-03, to lugnet.robotics.rcx.legos)
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| | Legway going to be revisited
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has anyone used the acceleration sensor from www.techno-stuff.com? i keep thinking that it could be used in conjunction if the IRPD sensor for more reliable balancing....or even as a substitute... also i seem to be having problems posting from my (...) (22 years ago, 12-Dec-03, to lugnet.robotics)
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| | Re: BricxCC release 3.3.7.6
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(...) Thanks! It does work well! My files had a .txt extension. But since I've renamed them, it works beautiful. (...) Very impressive and useful features. (...) Now I get it! (...) You're right (...) I renamed the help files back and it's great (...) (22 years ago, 12-Dec-03, to lugnet.robotics.rcx.pbforth, FTX)
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| | handyboard for sale
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Hi I have few NEW assembled handyboards for sale. if any one interested visit (URL) (22 years ago, 13-Dec-03, to lugnet.robotics.handyboard)
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| | Re: Vision command + linux
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(...) My son is into adding 3D graphics to video footage to create short movies with stuff like flying saucers attacking our car. (URL) out the "Making of" link up at the top somewhere). To do that, we needed figure out where to draw the 3D (...) (22 years ago, 12-Dec-03, to lugnet.robotics)
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| | Re: ROM image using USB tower
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Okay, I gave in and bought one of the serial towers listed on bricklink. I now have a ROM image, but am unable to disassemble it. Whatever options I pass to h8300-hitachi-hms-objdump I get: BFD: rom.srec:12: Unexpected character `0' in S-record file (...) (22 years ago, 11-Dec-03, to lugnet.robotics.rcx)
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| | Re: Vision command + linux
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someone ask me to diffuse my code .... then it's here : (URL) can use it to make your own project. Please read the README and if you have any question mail me nanobapt (22 years ago, 12-Dec-03, to lugnet.robotics.rcx.legos, lugnet.robotics)
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| | Re: Vision command + linux
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(...) LOL, thanks (...) I wil try some method to fixe it nanobapt (22 years ago, 12-Dec-03, to lugnet.robotics.rcx.legos, lugnet.robotics)
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