 | | RE: Stepper Motors
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(URL) the interactive c page .-----Original Message----- .From: T.C. [mailto:dab8rs_85@yahoo.com] .Sent: Monday, October 11, 1999 3:49 PM .To: handyboard@media.mit.edu .Subject: Stepper Motors . . .Can anyone give me a sample program on how to (...) (26 years ago, 12-Oct-99, to lugnet.robotics.handyboard)
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| | Re: Mindstorms/reinforcement learning
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(...) My prompt and humble apologies for forgetting Forth, yet again :) That would also give you the necessary capabilities, though Ralph would have to speak to it's speed when doing (literally) tens of thousands of mathematical operations. -Luis (...) (26 years ago, 12-Oct-99, to lugnet.robotics)
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| | LegOS
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Has anyone thought of building a true OS (or replacement firmware) based on LegOS? As I understand it, LegOS isn't actually an OS at all, but rather is a source code library. I guess that's the benefit of pbForth which is actually a true firmware (...) (26 years ago, 12-Oct-99, to lugnet.robotics)
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| | Re: Upcoming _Star Wars_ Mindstorms and Technics Releases
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Shaun Sullivan wrote in message <38038A63.5E1C@mit.edu>... (...) Consider that it has about 4 times the screen time that the Sith Infiltrator has though... (...) in some set that doesn't (...) Boba Fett has about the same screen time his ship does (...) (26 years ago, 12-Oct-99, to lugnet.robotics, lugnet.starwars, lugnet.technic)
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| | Re: LegOS
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It'd be interesting, but you'd have to describe some kind of scripting language for the new OS to interpret, or a binary format that you could then convince gcc to compile to.Either way, you're talking a lot of work. It would be an interesting task, (...) (26 years ago, 12-Oct-99, to lugnet.robotics)
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| | Turning send.c into a dll
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Hi, Has anyone been able to compile send.c into a .dll file under Cygwin? Can you provide instructions on how to do that? Thanks Andy (26 years ago, 13-Oct-99, to lugnet.robotics.rcx.nqc)
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| | RE: Mindstorms/reinforcement learning
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(...) Ha, and it wasn't even me that reminded you this time... Seriously, I am exchanging emails with someone who is doing an AI project using pbFORTH. He claims the thinking time is a bit slow, but I don't know enough about the project to make a (...) (26 years ago, 13-Oct-99, to lugnet.robotics)
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| | Re: Error at address 0x0000
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Hi, That error message is actually to do with a fault in the Borland Delphi code for serial transfer, NOT a fault with the HandyBoard! (I use the same Delphi code in my HandyBoard terminal program as the program HBDL). It appears to manily occur on (...) (26 years ago, 13-Oct-99, to lugnet.robotics.handyboard)
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| | RE: Mindstorms/reinforcement learning
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Please let the rest of us know as well, Ralph- I'm very interested in any type of AI stuff on the Mindstorms. As a "quick" note, our projects (using something called Q learning if anyone out there knows the terminology) involve doing roughly (...) (26 years ago, 13-Oct-99, to lugnet.robotics)
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| | Re: Lego Bots in Germany???
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(...) So they don't - the way they treat the english language indicated that they not push it early in schools, or did not do that until fairly recently. (...) High-School in Denmark is actually called Gymnasium, but that would without explanation (...) (26 years ago, 13-Oct-99, to lugnet.robotics)
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| | Re: LEGO Reverse DNS?
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(...) Our web server recorded 80 hits from inside lego.com during Sep/Oct/Nov of last year. All hits were from a single machine. My top-level page was hit 10 times. I suspect all of these hits were from a single person. -Kekoa (26 years ago, 13-Oct-99, to lugnet.robotics)
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| | (canceled)
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| | Motor Controller Question
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From what I could figure out from the literature on the HB, the motor controller circuit is controlled by Port B on the 6811. With a little tinkerin last nite I was trying to set/reset some of the pins poking values into $1004 (Got this from "An (...) (26 years ago, 13-Oct-99, to lugnet.robotics.handyboard)
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| | Re: Upcoming _Star Wars_ Mindstorms and Technics Releases
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My guess is that there´ll be a Slave I because: - it´s got a good size to be build as a modell (well a smaller scaled version) - we need more of the bad guys. One TIE is not enough for playing Star Wars - it looks cool, so it´ll sell good - we´ve (...) (26 years ago, 13-Oct-99, to lugnet.robotics, lugnet.starwars, lugnet.technic)
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| | RE: Mindstorms/reinforcement learning
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(...) Declaring variables (almost any number of them) in pbFORTH is like this: VARIABLE FOO Fetching and storing is like this: 23 FOO ! ( this stores the value ) FOO @ ( this fetches the value ) Values are 16 bit integers - 32 bit doubles use a (...) (26 years ago, 13-Oct-99, to lugnet.robotics, lugnet.robotics.rcx.pbforth)
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| | Forth vs Assembler
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Since observing these Lego email broadcasts, I've been wondering what Forth was. Engineering background, not CS! Now I know, after reading Ralph Hempel's "RE: Mindstorms/reinforcement learning". Very cryptic by the looks! Why not use honest to (...) (26 years ago, 13-Oct-99, to lugnet.robotics)
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| | RE: Forth vs Assembler
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(...) There are a couple of reasons to choose pbFORTH over raw assembler... 1. Assembler requires an assembler, which means downloading and configuring the GNU tools on eiher Linux or Cygwin for Win9x. Not for the faint of heart. 2. Once you get (...) (26 years ago, 13-Oct-99, to lugnet.robotics, lugnet.robotics.rcx.pbforth)
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| | Fire Extinguishers
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CAn anyone of YOu tell me how can I make a fire extinguisher robot by standard Lego Mindstorms system that has only 2 touch and 1 light sensor.Plz reply me back on my email rather as a post to the group.I prefer it that way Thank YOu all Imad Khan (26 years ago, 13-Oct-99, to lugnet.robotics)
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| | Re: Fire Extinguishers
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(...) Why does this sound suspiciously like a class assignment? BTW, we got your mail the first time, I guess nobody decided it deserved a response. AlanC (26 years ago, 13-Oct-99, to lugnet.robotics)
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| | Re: Fire Extinguishers
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I can offer some suggestions. Part of the fun of Lego MindStorms is figuring things out on one's own ... but a few hints probably won't hurt. Because the light sensor is particularly sensitive to infrared (IR), you should be able to use it to locate (...) (26 years ago, 13-Oct-99, to lugnet.robotics)
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| | Re: Upcoming _Star Wars_ Mindstorms and Technics Releases
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(...) Han wasn't wearing his vest when he was frozen in carbonite. . . my feeling is that there will be a slave I, and the promo catalog picture that we see of Han Solo is the minifig that will come with the Slave I and somehow have a carbonite (...) (26 years ago, 13-Oct-99, to lugnet.robotics, lugnet.starwars, lugnet.technic)
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| | Re: Motor Controller Question
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bruce, for the HB you need to write data to $7000 to control the motors. see appendix B of the 6.270 manual at (URL) also the HB FAQ (URL) your message you said: (...) (26 years ago, 13-Oct-99, to lugnet.robotics.handyboard)
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| | PWM on tic3
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Hi, I want to get the width of a PWM on TIC3 Channel, I wrote an .asm but it doesn't work, I don't know what's wrong? I need your help. Thanks in advance. Said. Here is the .asm program: #include "c:\pcode\include\6811regs.asm" * program equates * (...) (26 years ago, 13-Oct-99, to lugnet.robotics.handyboard)
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| | Re: Forth vs Assembler
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(...) It's especially easy to program in assembly for whatever CPU architecture you happen to be familiar with. If you've got a background in Motorola parts, that makes them easy for you. I grew up on Z80 and ARM, so it's different for me. BTW, the (...) (26 years ago, 13-Oct-99, to lugnet.robotics)
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| | FW: Mindstorms/reinforcement learning
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-----Original Message----- From: Ralph Hempel [mailto:rhempel@bmts.com] Sent: Wednesday, October 13, 1999 11:59 AM To: Blake Winton Subject: RE: Mindstorms/reinforcement learning (...) Yes!!! The simple FORTH tutorial is good. Thanks for the link. (...) (26 years ago, 13-Oct-99, to lugnet.robotics, lugnet.robotics.rcx.pbforth)
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| | Does anyone here live in Hagerstown?
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Does anyone here with Mindstorms live in Hagerstown, MD? Josh (26 years ago, 13-Oct-99, to lugnet.robotics)
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| | RE: Fire Extinguishers
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I guess it wouldn't be sporting or cost effective to simply put a large water balloon on top of the robot, look for the strongest IR source with the light sensor, drive till you hit it, and wait......;>) Jeff jeffrey.hazen@northmill.net (26 years ago, 13-Oct-99, to lugnet.robotics)
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| | Re: Flex Cables (was: Does anyone has the 8479 bar code truck?
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Dave Baum <dbaum@spambgoneenteract.com> wrote in message news:dbaum-111099212...act.com... (...) The "type I" connectors were pulled from the market in the US. There was in fact some legal issue -- something about a choking risk. I forgot where I (...) (26 years ago, 13-Oct-99, to lugnet.robotics)
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| | Re: Fire Extinguishers
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I have managed to multiplex motor output before. How about building a single motor powered tricycle device with the second motor steering the front wheel. Then use the front wheel at right-angles position, detected by a touch sensor, to change gears (...) (26 years ago, 13-Oct-99, to lugnet.robotics)
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| | c++
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I am coding a program that communicates with the RCX, and everything seems to be working. However, I have come across one problem. I have a set of buttons that control the movement of the motors. What I am trying to do is smooth out the movement. (...) (26 years ago, 13-Oct-99, to lugnet.robotics)
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| | HandyBoard and Mini SSC-II
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HiHi, I am a final year student in HongKong, I'm now trying to build a 6-legged robot, with 2 servos per leg. I would like to use the Handyboard interfacing with 2 Mini SSC-II servo controller, but since I am a new player in robotics, I do not know (...) (26 years ago, 13-Oct-99, to lugnet.robotics.handyboard)
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| | BrainStorm version 1.0 available
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BrainStorm version 1.0 released. Brainstorm is a version of the LOGO programming language with added commands and functionality to control Lego MindStorms spirit.ocx. The new commands can be used to write Programs for download as well as giving (...) (26 years ago, 13-Oct-99, to lugnet.robotics.rcx)
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| | RE: HI
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Hi there, Hello there. My name is Alvin. I m currently a student at university of Hertfordshire at UK. I m doing my final year in Electrical n Electronic Engineering. Well actually i m doing an individual project concerning the Lego Mindstorms.vi (...) (26 years ago, 13-Oct-99, to lugnet.robotics)
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| | interfacing the GP2D12
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Somebody asked the other day about a problem interfacing the Sharp GP2D12. I didn't see an answer, and I just did it myself and solved the problem, so here is how to do it. For those who don't know, Sharp just came out with an IR ranging sensor good (...) (26 years ago, 14-Oct-99, to lugnet.robotics.handyboard)
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| | Re: LEGO Reverse DNS?
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(...) This might help -- I've been doing some research into TLG's networks (hoping to find a publicly accessible content staging server -- a suprising # of web development shops run these) -- here's some info that I've found (all from easily (...) (26 years ago, 14-Oct-99, to lugnet.robotics)
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| | Upgading HB to 64K
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Please follow the link bellow if you are interested in upgrading memory on your HandyBoard to 64KB. Note that this upgrade is currently being tested only on HB running the Java VM. (URL) Gasparik (26 years ago, 14-Oct-99, to lugnet.robotics.handyboard)
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| | RDS Q:
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Please see: (URL) does it mean: "For this function, you will need to program the RCX to send an IR Message (1 through 12) using RCX Code. The Scout will respond to the IR Messages while it is running any program on the display" ? I mean, the Scout (...) (26 years ago, 14-Oct-99, to lugnet.robotics)
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| | More Motor Controller Question
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Thanks Fred. That got me going in the right direction. But...... When I poke a value into $7000 I can see the corresponding input pin on the l293 react. But it will not stay in the position that I set it to. It will return back to the initial state (...) (26 years ago, 14-Oct-99, to lugnet.robotics.handyboard)
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| | Re: HI
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(...) This is a good starting point that should keep you busy for a while: (URL) know you did not ask about programming environment, but make sure you checkout Mark Overmars' RCXCC at: (URL) fun! Keep us informed of your adventures. hwiguna (26 years ago, 14-Oct-99, to lugnet.robotics)
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| | Re: wireless camera
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Just a note. The German Marklin model train company offers a wireless camera built-in in a 'tiny' H0-scale train car. It's expensive but it prooves the technology is available at a consumer scale. Eric (26 years ago, 14-Oct-99, to lugnet.robotics)
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