 | | Re: Help me plan for Mindfest.
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The Green Line runs real, honest-to-goodness trolleys. They are quiet and fun. One of the sad developments of the last few years has been the disuse of the trolleys in the favor of buses. (For that matter, I now drive a daily 20-minute commute from (...) (26 years ago, 15-Oct-99, to lugnet.robotics)
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| | Re: Help me plan for Mindfest.
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(...) Well, I WILL admit I had a mockup of a green line car partially completed but I just could not get a center pivot that looked good from the outside, worked, and would at least allow a minifig (turned sideways so he was only 1 stud wide) to (...) (26 years ago, 15-Oct-99, to lugnet.loc.us.ma.bos, lugnet.robotics, lugnet.robotics.events, lugnet.org.us, lugnet.trains)
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| | Re: Flex Cables (Does anyone have the 8485 CCII)
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(...) Happened to be carrying out a parts inventory of my #8485 CC (*not* CCII) which recently arrived from DYA France. Here are the actual measurements of the flex cables - overall lengths followed by the lengths between the notches, in (...) (26 years ago, 16-Oct-99, to lugnet.robotics)
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| | Re: Help me plan for Mindfest.
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Eric Kingsley <kingsley@nelug.nospam.org> wrote in message news:FJnF0x.rn@lugnet.com... (...) Many thanks Eric. You can bet I will have a folded up copy of those instructions in my pocket Thursday night. Mike G. (26 years ago, 16-Oct-99, to lugnet.loc.us.ma.bos, lugnet.robotics, lugnet.robotics.events, lugnet.org.us)
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| | The Unofficial Guide to LEGO MINDSTORMS Robots
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I'm pleased to announce that my book has been printed and is now in stock in our warehouse. It should be showing up in your favorite bookstores soon. The entire book will be serialized online. Currently the Preface and chapters 1 and 2 are online (...) (26 years ago, 16-Oct-99, to lugnet.robotics)
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| | Re: The Unofficial Guide to LEGO MINDSTORMS Robots
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An Oreilly book for Mindstorms??! Cool! Hey, who decides what animal goes on the cover? The author(s)? The publisher? KL (...) (26 years ago, 16-Oct-99, to lugnet.robotics)
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| | Re: Flex Cables (Does anyone have the 8485 CCII)
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C S Soh wrote in message <3807D69E.34C3F7E3@s...com.sg>... (...) followed by (...) from the (...) I concur! -Rob. (26 years ago, 16-Oct-99, to lugnet.robotics)
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| | UK Suppliers
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Can anyone help me? I'm looking for a UK supplier for the Handyboard, either as a kit or complete. I would also like some advice about how I could integrate the Handyboard into a A-Level physic department. I'm interesting in introducing robotics (...) (26 years ago, 16-Oct-99, to lugnet.robotics.handyboard)
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| | Re: Data acquisition through analog input
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Mr. Han, I think you can try to transmit the data through radio frequency transmitter to the receiver which is connected to the PC. I have tried this but it is digital data and not analog. Thanks, Wil. ----- Original Message ----- From: Chul Hun,Han (...) (26 years ago, 16-Oct-99, to lugnet.robotics.handyboard)
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| | Re: BrainStorm version 1.0 available
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Forwarding to lugnet.robotics.logo from lugnet.robotics.rcx... --Todd (...) (26 years ago, 16-Oct-99, to lugnet.robotics.logo)
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| | Re : stuff (Big motor control)
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The following circuit should provide directional control of a DC motor using two SPDT (Single Pole Double Throw) relays and four diodes, but may not act quick enough for a PWM drive. .--------O---...---. | | | | | O---...---. | | | | | \----/ \----/ (...) (26 years ago, 16-Oct-99, to lugnet.robotics)
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| | Re:Solved?? rotation sensor problem
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On Sep.10,I posted the message regarding rotation-sensor problem. I realized that the first threshold value '0x6fc0' in CURRENT_STATE is too small. Some sensors give raw values around 0x7000. #define CURRENT_STATE (raw<0x6fc0?STATE_0:...STATE_3))) (...) (26 years ago, 17-Oct-99, to lugnet.robotics.rcx.legos)
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| | Control your Lego Mindstorms RCX across the internet using Microsoft NetMeeting
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The WebRemote Device Controller allows you to control devices across a NetMeeting connection... If you have devices to control then you simply run the device controller, add the drivers for your devices and connect to NetMeeting to make the devices (...) (26 years ago, 17-Oct-99, to lugnet.robotics)
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| | AI
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Can we make these things learn? I'm no expert on AI or nothing, but perhaps by making, for example, program 1 write program 2, write to program 3 etc, and use a some kind of a genetic algorithm to determine best output. Or would all this be (...) (26 years ago, 17-Oct-99, to lugnet.robotics)
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| | Interfacing 2 Ultrasonic Modules onto one HB?
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I am trying to interface two Polaroid 6500 ultrasonic ranging modules onto one HB to simplify my project. I know this has been done and it is probably very easy but I am not an electrical engineering expert and cannot figure it out. I have two (...) (26 years ago, 17-Oct-99, to lugnet.robotics.handyboard)
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| | Re: Position Finding/Mapping
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Okay. Here is an update. I decided on a platform like the one on this page. Synchro Drive I have bought and finally recieved all the parts nessesary. It is going to use 2 rotation sensors to measure distance, and the angle of the wheels relative to (...) (26 years ago, 17-Oct-99, to lugnet.robotics)
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| | Re: Interfacing 2 Ultrasonic Modules onto one HB?
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Hello, I also would like to see a example of the sonars and expansion board hook-up. I also have a vector 2x compass module that was connected and working before the expansion board was added. Is it possible to connect the sonar and compass to the (...) (26 years ago, 17-Oct-99, to lugnet.robotics.handyboard)
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| | Re: !!! Laser attachments for Mindstorms !!!
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Are you talking about *real* lasers that can cut things? Or just one of those LED pointers? --Tobias (...) (26 years ago, 17-Oct-99, to lugnet.robotics)
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| | Re: !!! Laser attachments for Mindstorms !!!
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Tobias Möller <tobias.moller@telia.com> wrote in message news:FJr4ut.Ez8@lugnet.com... (...) considering that a cutting laser starts around $290,000, and requires much more room than 2 Lego bricks, I would venture to guess that it is a laser (...) (26 years ago, 17-Oct-99, to lugnet.robotics)
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| | Re: Upcoming _Star Wars_ Mindstorms and Technics Releases
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(...) But the R2-D2 set (9748 Droid Development Kit) -is- a MindStorms set. It's just not an RCX-based MindStorms set. (LEGO MINDSTORMS is a whole division of TLG and a whole product line. The RCX is just one brick in a series.) MINDSTORMS != RCX (...) (26 years ago, 17-Oct-99, to lugnet.robotics)
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| | Documentation
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Hi all, Can anybody out there tell me some URL to / information that can be helpful to make an Operating system for MindStorms RCX? Plz reply to me personally on my email.I prefer to receive messages here rather at Newsgroup! Thankx Imad (26 years ago, 17-Oct-99, to lugnet.robotics)
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| | Re: Upcoming _Star Wars_ Mindstorms and Technics Releases
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(...) Yeah, actually, that was kinda my point; I just picked a bad example. (26 years ago, 17-Oct-99, to lugnet.robotics)
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| | RIS 1.5 Upgrade in Canada?
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Anyone seen the RIS 1.5 upgrade lit for sale in Canada yet? Will it be available by retail or will I only be able to get it at www.legoworldshop.com (not available there until Oct 22) Thx... (26 years ago, 17-Oct-99, to lugnet.robotics)
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| | FW: Documentation
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(...) No, I've never heard of anyone doing something so amazing. You might want to check your local bookstore, I hear there's an O'Reilly book on Mindstorms, but it's a secret and I'm not suupposed to tell anyone. There might even be a fire (...) (26 years ago, 17-Oct-99, to lugnet.robotics)
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| | RCX Firmware and SP
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Hi All, After a very frustrating weekend of fiddling with pbFORTH, I caved and asked Kekoa to help with a problem I was having with read_sensor() and pbFORTH. The problem we (mostly he) unearthed has to do with the SP and RCX firmware routines, so I (...) (26 years ago, 17-Oct-99, to lugnet.robotics, lugnet.robotics.rcx.legos, lugnet.robotics.rcx.pbforth)
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| | Re: !!! Laser attachments for Mindstorms !!!
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*Real* lasers don't even look impressive. It is pracitaclly impossible to get a laser in the visable wavelengths to cut stuff. Usually UV lasers are used for this purpose. But anyway... in Oz, proper laser pointers are about $60. You can get really (...) (26 years ago, 17-Oct-99, to lugnet.robotics)
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| | legOS 0.2.0 released
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Hello, legOS 0.2.0 is out. If you like to program your Mindstorms in C, or if you would like to try, it has become better than ever. Dynamic linking and program loading are fully supported now, as well as unreliable LNP datagram networking. Lots of (...) (26 years ago, 19-Oct-99, to lugnet.robotics.rcx.legos, lugnet.robotics)
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| | Re: legOS 0.2.0 released
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Well, this is a bad week to say the least, but I hope to have rudimentary HOWTO stuff for 0.2.0 within two weeks. Thanks for everything, Markus! Luis (...) ###...### Profanity is the one language that all programmers understand. -Anonymous ###...### (26 years ago, 18-Oct-99, to lugnet.robotics.rcx.legos, lugnet.robotics)
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| | Re: !!! Laser attachments for Mindstorms !!!
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(...) really (...) the (...) they (...) I bought 2 for $10 at Osco 2 years ago and they are still working on their 2nd set of batts. (26 years ago, 18-Oct-99, to lugnet.robotics)
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| | Re: RCX Controlled Air Compressor Tester
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(...) Thanks for your patience. Just received 4 of the lil' compressor pumps and have built and tested John Morgan's new double-acting (*correct terminology*) compressor. Unfortunately, the design does not seem to work out in practice. After just a (...) (26 years ago, 18-Oct-99, to lugnet.robotics)
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| | Re: AI
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Tony- AI is a huge field, encompassing a variety of algorithms and techniques. Some of them will work OK on the RCX, others take just too much computation, especially when floating point is required. Also, when you talk about functions and all that, (...) (26 years ago, 18-Oct-99, to lugnet.robotics)
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| | Re: UK Suppliers
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(...) If you're prepared to mail order, you can get all the Handyboard stuff from the Robot Store, Hong Kong,www.robotstorehk.com I've found Patrick Hui to be most helpful and dependable. -- C S Soh (URL) where air is power (26 years ago, 18-Oct-99, to lugnet.robotics.handyboard)
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| | need a text editor
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What text editors do you guys use to write your IC code? I am on a Windows98 machine and having a real hard time finding one that doesn't add all of the extra formatting. Or is there an option that I am missing that I can turn the formatting off? (...) (26 years ago, 18-Oct-99, to lugnet.robotics.handyboard)
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| | AI and even more exiciting stuff
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----- Original Message ----- From: Luis Villa <liv@duke.edu> To: ts <ts@zylotech.com.au> Cc: <lugnet.robotics@lugnet.com> Sent: Monday, 18 October 1999 13:09 Subject: Re: AI (...) I am using NQC at the moment. I have just found, and I am downloading (...) (26 years ago, 18-Oct-99, to lugnet.robotics)
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| | Re: AI and even more exiciting stuff
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For a more reasonable copy of the picture (read: downloadable in minutes, not hours) try (URL) note that I actually have access to 7, not just the 5 pictured. -Luis "still looking for interesting suggestions" Villa ###...### Profanity is the one (...) (26 years ago, 18-Oct-99, to lugnet.robotics)
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| | Re: AI and even more exiciting stuff
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(...) Good luck. You'll find links to my HOWTO in various places- feel free to ask if you have problems. (...) Forth is a language for embedded systems, and since it is designed for embedded systems, (i.e., very low level) resembles assembly in some (...) (26 years ago, 18-Oct-99, to lugnet.robotics)
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| | Robot navigation
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I have noticed a lot of effort being put into the most ingenius robot platforms designed to increase the accuracy and repeatability of navigation. While many of these designs are a credit to the designer concerned, I can't help but wonder if they (...) (26 years ago, 18-Oct-99, to lugnet.robotics)
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| | Star Wars Technic Sets--Correction and More Info
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Just passing this along. This includes a scan of the cover from the Destroyer Droid (Droideka) set. :) (From www.theouterrim.com) US NEWS - Lego update BY: Greg Edwards Pictures have popped up on the Net At this site ((URL) of Technic Battle Droid, (...) (26 years ago, 18-Oct-99, to lugnet.robotics)
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| | RE: AI and even more exiciting stuff
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(...) ACK! Don't they teach fixed point any more? I encourage anyone to post an application where the dynamic range of signed 32 bit values is outside the range of numbers which would be useful to an RCX application! I'm not flaming, I'm just trying (...) (26 years ago, 18-Oct-99, to lugnet.robotics, lugnet.robotics.rcx.pbforth)
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| | RE: AI and even more exiciting stuff
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(...) Yes, and no. It is an interpreter, that you can type (or upload) ASCII text to. It then compiles it into an efficient bytecode (really 16 bits) that lets you execute later. It allows for LOTS of variables and best of all, you don't need to be (...) (26 years ago, 18-Oct-99, to lugnet.robotics, lugnet.robotics.rcx.pbforth)
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