 | | Re: Group to discuss Teaching Lego Robotics?? lugnet.robotics.teaching ???
|
|
(...) I'll see to it. --Todd (26 years ago, 27-Oct-99, to lugnet.robotics.rcx.nqc, lugnet.admin.general)
|
| |
| | Re: Chaining multiple RCX's output to input
|
|
(...) Pop a 10K ohm resistor in series with the motor. On my quick test with a variable resistor I got a value of 513 with the resistor at 9.7k. With a 10k resistor, the RCX raw value is now flickering between 510 and 511. P.S. same with the older (...) (26 years ago, 27-Oct-99, to lugnet.robotics)
|
| |
| | RE: Double echo
|
|
(...) Yup. Dave tells me he is working on integrating the speedier loader into NQC or even making standalone loaders by themselves... Sergey, which features do you REALLY want/need for the next release. I'm doing the following... 1. ECHO_ON/ECHO_OFF (...) (26 years ago, 27-Oct-99, to lugnet.robotics.rcx.pbforth)
|
| |
| | Re: !!! Laser attachments for Mindstorms !!!
|
|
I think that a good way to have a lasertag competition is to have an arena with many walls to hide behind, and have the robots programmed with different tactics of defense and offense. It's not hard to make an IR light beacon on top of each robot, (...) (26 years ago, 27-Oct-99, to lugnet.robotics)
|
| |
| | RE: !!! Laser attachments for Mindstorms !!!
|
|
If you remove the lens from (I suspect) most pointers, you won't get a beam of light at all, even a conical one. Most laser diodes are essentially "point" sources, the light goes in any direction it can (think flat lightbulb). Moving the lens closer (...) (26 years ago, 27-Oct-99, to lugnet.robotics)
|
| |
| | Re: stalled motor detection
|
|
Shaft encoders are hard to beat. If the wheels are commanded to turn and aren't, that's a good indication that something is screwy. Plus, if you're doing dead reckoning, you need them anyway so they are already there! Gary Livick (...) (26 years ago, 27-Oct-99, to lugnet.robotics.handyboard)
|
| |
| | Re: stalled motor detection
|
|
If a motor stalls, it draws a lot of current (compared to normal operation). You can measure that quite easilyusing dedicated chip, or by measuring the voltage over a small resistor in series with the motor: if more current is draw, the voltage drop (...) (26 years ago, 27-Oct-99, to lugnet.robotics.handyboard)
|
| |
| | Re: Chaining multiple RCX's output to input
|
|
Stephen Unwin <lego-robotics@crynwr.com> wrote in message news:Marcel-1.53-102...n.co.uk... (...) That makes sense cause the RCX has a 10K pulling the input up to 5V. The 10K you put in series with the motor will put the voltage at half way (2.5V) (...) (26 years ago, 27-Oct-99, to lugnet.robotics)
|
| |
| | Re: Group to discuss Teaching Lego Robotics?? lugnet.robotics.teaching ???
|
|
(...) I think that might have been me. I was sitting in the front row right across from Mitchel. (...) Rich (26 years ago, 27-Oct-99, to lugnet.robotics.rcx.nqc, lugnet.admin.general)
|
| |
| | 1.0 to 1.5 upgrade
|
|
Below are some products offered by (URL) I do not understand is that the upgrade kit from 1.0 to 1.5 can already be ordered, but the complete 1.5 will be available in January 2000. Can somebody explain? Harrie de Leeuw The Netherlands 9747 LEGO (...) (26 years ago, 27-Oct-99, to lugnet.robotics)
|
| |
| | Re: IntelliMouse Ripe for Hacking
|
|
This is the way to go. If you can rig a PS2 mouse to RCX, then the new optical mouse should work also. Kevin Loch <kloch@opnsys.com> wrote in message news:FK61A5.Ex7@lugnet.com... (...) so, (...) wonder (...) (26 years ago, 27-Oct-99, to lugnet.robotics)
|
| |
| | Re: RCX with AC power - Still Available
|
|
have the bot use scisors. James C. Jones <lego-robotics@crynwr.com> wrote in message news:v01540b02b43b87...121.26]... (...) (26 years ago, 27-Oct-99, to lugnet.robotics)
|
| |
| | 1.0 to 1.5 Upgrade Kit
|
|
"The RCX Code can now be used to create more complex programs. Version 1.5 also has new tools like the Try-out tool that shows you what a block does and the Copy tool that lets you copy one or more blocks. All your programs from version 1.0 will (...) (26 years ago, 27-Oct-99, to lugnet.robotics)
|
| |
| | Re: Group to discuss Teaching Lego Robotics?? lugnet.robotics.teaching ???
|
|
(...) Aha -- Rich, thanks for stepping forward. I wasn't there until the very end of the meeting, so I missed your question, but I heard about it second- or third-hand. What was the answer to your question, and were you satisfied by it? What subset (...) (26 years ago, 27-Oct-99, to lugnet.robotics.rcx.nqc, lugnet.robotics.events, lugnet.admin.general)
|
| |
| | Mindfest thanks
|
|
Here's a big thank you to everyone at MindFest for a great time! I wasn't able to attend any of the workshops, but that didn't stop the time from flying. Unfortunately, I didn't get a chance to talk to everyone I met (sorry, Ralph H. Great talk BTW; (...) (26 years ago, 27-Oct-99, to lugnet.people, lugnet.robotics.events, lugnet.loc.us.ma.bos)
|
| |
| | Re: 1.0 to 1.5 Upgrade Kit
|
|
Did some more surfing, and found this at (URL) MINDSTORMS introduces The Robotics Invention System 1.5 In response to customer requests to make the Robotics Invention System 1.0 easier for the new user to program and build we are releasing an (...) (26 years ago, 27-Oct-99, to lugnet.robotics)
|
| |
| | Re: IR questinos and more
|
|
Hi Sergey, (...) if you intend only to transmit, you may just disable receiving altogether. (...) for an axle. yes, angle=rotation. (...) using the rotation sensor. otherwise, slippage may occur. night, markus. (26 years ago, 27-Oct-99, to lugnet.robotics.rcx.legos)
|
| |
| | Re: Group to discuss Teaching Lego Robotics?? lugnet.robotics.teaching ???
|
|
(...) Boy, It's almost a blur now. If I remember correctly, the discussion was about setting up a forum to discuss various issues brought up by Mindfest and its future. I suggested that LUGNET might be open to creating such a forum, but it was (...) (26 years ago, 27-Oct-99, to lugnet.robotics.events)
|
| |
| | Re: Group to discuss Teaching Lego Robotics?? lugnet.robotics.teaching ???
|
|
(...) OK, getting closer. I went more closely through a bunch of recent messages here, scanned a few more papers, and thought more about what Seymour Papert said in his talk, then culled what seemed like the core issues and wrote down a couple (...) (26 years ago, 27-Oct-99, to lugnet.robotics.rcx.nqc, lugnet.admin.general)
|
| |
| | Re: Mindfest thanks
|
|
(...) Bram, it was great honor to meet you finally -- I've been a great admirer of your LDraw work for as long as you've been doing it. Seeing those two trucks in person was also quite a mind-filler! :) --Todd (26 years ago, 27-Oct-99, to lugnet.people, lugnet.robotics.events, lugnet.loc.us.ma.bos)
|
| |
| | Re: legOS limitation
|
|
Hi Colin, (...) The one task per priority level requirement is gone at least since March. There is a priority chain mechanism now, with round-robin scheduling within a priority level. (...) Yes, a task won't die while higher-priority tasks are (...) (26 years ago, 27-Oct-99, to lugnet.robotics.rcx.legos)
|
| |
| | Firmware behaviour
|
|
Hi all, does the ON/OFF Button work while a program is running with the standard firmware? Or do you need to press RUN to stop it first? Markus. (26 years ago, 27-Oct-99, to lugnet.robotics.rcx)
|
| |
| | Re: RCX with AC power - Still Available
|
|
(...) These things are commercially avaible already, my uncle has one. If I remember correctly, it was made by Husqvarna. The major drawback is that the solar power driven one is +/- Hfl 8000 ($4000). One with batteries is half as expensive. Really (...) (26 years ago, 27-Oct-99, to lugnet.robotics)
|
| |
| | Re: Double echo
|
|
(...) Standalone loader would be nice. (...) Well, the most important, of course, is the stack bug. BTW, what about multitasker? How many cells would you recommend to allocate? Should be it checked by HAT word or not? (...) Sure, I would like to (...) (26 years ago, 27-Oct-99, to lugnet.robotics.rcx.pbforth)
|
| |
| | Re: !!! Laser attachments for Mindstorms !!!
|
|
(...) I'd love to see something based on this. (It's something I'm working on too, actually.) My sense is that small imprecisions will quickly add up to large errors, making this method difficult. (26 years ago, 27-Oct-99, to lugnet.robotics)
|
| |
| | Not necessarily the handyboard....
|
|
I have an old 486 laptop and a few motors and sensors lying around...Does anyone know of a DSP board or some other device I could use to interface the motors and sensors to the laptop for real- time data aquistion? (I already have my handyboard (...) (26 years ago, 27-Oct-99, to lugnet.robotics.handyboard)
|
| |
| | Re: Group to discuss Teaching Lego Robotics?? lugnet.robotics.teaching ???
|
|
(...) In your mind, which issues brought up by/at MindFest are the most important ones to carry on (that aren't covered already yet by online groups), or which would you most like to see covered? (...) Interesting. I wonder if that answer assumes (...) (26 years ago, 27-Oct-99, to lugnet.robotics.events)
|
| |
| | Re: Firmware behaviour
|
|
(...) The on/off button is always operational. It makes a great NO! STOP THAT! button when your robot is tearing itself apart accidentally. :) (26 years ago, 27-Oct-99, to lugnet.robotics.rcx)
|
| |
| | Re: GP2D05
|
|
I am using the GP2D02 which is also identical to the GP2D05 except that on the GP2D05 you can manually set the threshole using the built-in trimpot. I am using Barry Brouillet driver for interfacing to the Handyboard/w expansion board and it works (...) (26 years ago, 27-Oct-99, to lugnet.robotics.handyboard)
|
| |
| | Re: GP2D05 (correction)
|
|
I apologize for the previous mail on the GP2D05 subject. The information I gave was base on my careless assumption (duhh) which was also wrong. Once again, I am sorry for any inconvenience. =o( Rob (26 years ago, 27-Oct-99, to lugnet.robotics.handyboard)
|
| |
| | Re: !!! Laser attachments for Mindstorms !!!
|
|
So what are you guys thinking about then (sensor wise?) If I understand you correctly, then you are trying to mount two rotation sensors and one light sensor? Just curious- I'm working on a similar problem, but am choosing to go with floor marking (...) (26 years ago, 27-Oct-99, to lugnet.robotics)
|
| |
| | Re: Not necessarily the handyboard....
|
|
(...) <blatant self-promotion> I work for ComputerBoards, Inc., a company that makes high quality yet inexpensive expansion cards for Intel platforms. We have just about anything you could need for analog or digital I/O, serial communications, GPIB, (...) (26 years ago, 27-Oct-99, to lugnet.robotics.handyboard)
|
| |
| | (canceled)
|
|
|
| |
| | Re: !!! Laser attachments for Mindstorms !!!
|
|
(...) Yes, plus two touch sensors to implement bumpers. Otherwise, you won't know when you hit an obstacle. That leads to sensor multiplexing, as described in the NQC tutorial. I ended up doing some filtering on the raw multiplexed input, to (...) (26 years ago, 28-Oct-99, to lugnet.robotics)
|
| |
| | Re: !!! Laser attachments for Mindstorms !!!
|
|
(...) Why, if you're keeping track of motion? I mean, if you suddenly stop, it's probably safe to assume you've hit something. :) (26 years ago, 28-Oct-99, to lugnet.robotics)
|
| |
| | Re: 64K UPGRADE
|
|
Yes, you can upgrade your HB to 64K and then use Interactive C on it. After the reset HB operates in a 32KB mode that is compatible with the original HB memory mapping. Your C code, however, shouldn't use the PD5/SS pin on the HC11 as it s used to (...) (26 years ago, 28-Oct-99, to lugnet.robotics.handyboard)
|
| |
| | Re: Group to discuss Teaching Lego Robotics?? lugnet.robotics.teaching ???
|
|
Todd, your point about handyboard is well taken. And there are many real-world reasons why successful groups grow to cover many allied topics. The WEB is about "not having to know where everything is, to use it". Lots of people connect to Websites, (...) (26 years ago, 28-Oct-99, to lugnet.robotics.events)
|
| |
| | Re: !!! Laser attachments for Mindstorms !!!
|
|
(...) In fact the rotation sensors work much better for this, because they will easily tell you when you stopped in any direction. It is much more complex to build a bumper which surrounds the RCX and can detect hits from most any direction. I did (...) (26 years ago, 28-Oct-99, to lugnet.robotics)
|
| |
| | Re: !!! Laser attachments for Mindstorms !!!
|
|
Actual multiplexing? Or just a touch and a light on each input (since that is all I can find in the NQC tutorial?) Again, curious (though a little frustrated since it will cost ~$40 to copy the floor pattern I need.) Luis (...) ###...### Profanity (...) (26 years ago, 28-Oct-99, to lugnet.robotics)
|
| |
| | RE: Double echo
|
|
(...) Yes, it should. The issue is that you never really know if the stack will blast through the 256 byte boundary, unless HAT checks it. You generally allocate small stacks, so HAT could be modified to FORCE the data stack to start at the boundary (...) (26 years ago, 28-Oct-99, to lugnet.robotics.rcx.pbforth)
|
| |
| | Re: Group to discuss Teaching Lego Robotics?? lugnet.robotics.teaching ???
|
|
(...) I ment issues in general, but the prelude to this discussion was someones desire to discuss educational issues beyond the Mindfest event. From my point of view and my area of interests the robotics threads are structured fine. But if I think (...) (26 years ago, 28-Oct-99, to lugnet.robotics.events)
|
| |
| | Re: Not necessarily the handyboard....
|
|
(...) Of course, if you *really* felt that bad about "pimping," you could've sent that privately and not to the whole list...wink, wink :-) I saw the price of your boards. One word: HOBBIEST I say to heck with the expense of boards, nearly anything (...) (26 years ago, 28-Oct-99, to lugnet.robotics.handyboard)
|
| |
| | speech recognition with hb
|
|
We are attempting to incorperate a speech recognition board with the hb. We have the hb controlling an rc car. We also have the speech reconition board controlling the hb. Here is the problem, the microphone for the speech recognition kit is on the (...) (26 years ago, 28-Oct-99, to lugnet.robotics.handyboard)
|
| |
| | Mindstorms
|
|
Heya all ! I have only one question. Do I need PC if I buy some LEGO Mindstorms kit ? 'couse it was mentioned on Lugnet that I don't need PC for it. Thanks ! e-mail: virsik@sco.svf.stuba.sk Rene (26 years ago, 28-Oct-99, to lugnet.robotics)
|
| |
| | Re: Mindstorms
|
|
(...) Yes, you do need a PC to program the RCX brick. (That can be a intel-based PC, or a Mac, or whatever.) Some of the newer stuff like the Scout brick don't require a PC, but then, they're not very exciting. (26 years ago, 28-Oct-99, to lugnet.robotics)
|
| |
| | Live Robot Video
|
|
I am playing with Live Robot Video tonight (Oct 27). If you want to help me test this out, follow this link: (URL) is only an experiment, so your mileage may vary. BTW, I am using an Emerson 900MHZ wireless camera running on batteries. A totally (...) (26 years ago, 28-Oct-99, to lugnet.robotics)
|
| |
| | RE: Live Robot Video
|
|
Doh! Firewall problems. Try (URL) to see live video (I hope). Rich Thompson (URL) Message----- From: news-gateway@lugnet.com [mailto:news-gateway...net.com]On Behalf Of Rich Thompson Sent: Wednesday, October 27, 1999 9:42 PM To: (...) (26 years ago, 28-Oct-99, to lugnet.robotics)
|
| |
| | Re: Live Robot Video
|
|
(...) Not getting through to the e20141aea.inetcam.com site linked on that page. :( (26 years ago, 28-Oct-99, to lugnet.robotics)
|
| |
| | RE: Live Robot Video
|
|
Try the page now please. I updated the links to get around the firewall problem. Rich Thompson (URL) Message----- From: news-gateway@lugnet.com [mailto:news-gateway...net.com]On Behalf Of Matthew Miller Sent: Wednesday, October 27, 1999 10:05 PM To: (...) (26 years ago, 28-Oct-99, to lugnet.robotics)
|
| |
| | RE: Live Robot Video
|
|
Thanks everyone who helped me test. We had 10 people at one point watching video. I hope to have something more permanent soon. I cut the video size back a bit and need to build a more sturdy robot (obvious to anyone who watched). Thanks again! Rich (...) (26 years ago, 28-Oct-99, to lugnet.robotics)
|
| |
| | Re: What should be in the next version of RcxCC
|
|
(...) I was considering writing an RCX bytecode simulator. If I get some free time I'll throw something together. Considering the last simulator I wrote was for an ARM 7111 with about a dozen on-chip peripherals, modeling the RCX bytecode (...) (26 years ago, 28-Oct-99, to lugnet.robotics.rcx.nqc)
|
| |
| | Re: fast firmware downloader
|
|
(...) I'll start by pulling the 4x code into the NQC source base. That should make it trivial to build a stand-alone command line based downloader for Win32 (95/nt/98), Linux, Solaris, and Mac 68k/ppc under MPW. We could also get Win3.1 and DOS (...) (26 years ago, 28-Oct-99, to lugnet.robotics.rcx.legos, lugnet.robotics.rcx, lugnet.robotics.rcx.pbforth)
|
| |
| | RE: Live Robot Video
|
|
Wow. Nice wall of pieces :) And a whole bunch of very nice tread/locomotion setups. Enjoyed the mindless entertainment for a while... -Luis (...) ###...### Profanity is the one language that all programmers understand. -Anonymous ###...### (26 years ago, 28-Oct-99, to lugnet.robotics)
|
| |
| | Re: fast firmware downloader
|
|
(...) I'm willing to cover the DOS port since I'm working on a DOS->RCX comm project already. I already have my HP LX200 doing minimal comm with the RCX with hopes of having it ride alongside as a computational component. -Wes Matchett (26 years ago, 28-Oct-99, to lugnet.robotics.rcx.legos, lugnet.robotics.rcx, lugnet.robotics.rcx.pbforth)
|
| |
| | Re: Live Robot Video
|
|
Trying that URL and no luck. any particular time? -Luis (...) ###...### Profanity is the one language that all programmers understand. -Anonymous ###...### (26 years ago, 28-Oct-99, to lugnet.robotics)
|
| |
| | Re: !!! Laser attachments for Mindstorms !!!
|
|
(...) The synchro-drive model on my page has a 360 degree bumper consisting of those rubber bumperpieces used in a Technic Hovercraft some years back. I think they are presently available on Res-Q set # 6473 (at least they look the same in the LEGO (...) (26 years ago, 28-Oct-99, to lugnet.robotics)
|
| |
| | Re: new pieces (was Re: Wot no RCX power connector?)
|
|
This link doesn't work because our browsers don't have your cookies. Can you explain what it is supposed to be? (...) (26 years ago, 28-Oct-99, to lugnet.robotics)
|
| |
| | RIS 1.5 vs RIS 1.0 software reviewed
|
|
NQC users can skip this... :-) I ran the 1.0 and 1.5 software on two computers next two each other. Looking at the system requirements gives you some hints: 1.0: 8-bit VGA (640x480) 1.5: 16-bit SVGA (800x600) I skipped the tutorial and went straight (...) (26 years ago, 28-Oct-99, to lugnet.robotics)
|
| |
| | Re: Double echo
|
|
Hi Ralph, (...) Means that we will have to waste memory a lot... Do you know how the standard LEGO firmware works? Does it allocate stack frame for each task or may be it's not an issue at all? (...) Yes, "4th" was always my favourite. Only question (...) (26 years ago, 28-Oct-99, to lugnet.robotics.rcx.pbforth)
|
| |
| | Scout secrets revealed
|
|
Excuse the tabloid heading, but when I investigated undocumented behavior of the Scout last night, I hit onto some surprising features. See the preliminary report on LEGO on my mind. Highlights: - overview of RCX-triggered responses - wipe the dust (...) (26 years ago, 28-Oct-99, to lugnet.robotics)
|
| |
| | Re: Scout brick and IR
|
|
Eric Brok wrote in message ... (...) Last night I answered my own question. See the report on LEGO on my mind. (URL) Scout from menu Eric Brok (26 years ago, 28-Oct-99, to lugnet.robotics)
|
| |
| | Re: new pieces (was Re: Wot no RCX power connector?)
|
|
Well, not much info in the description, as I recall, but the big thing that I've gleaned from other posts/scans is that there is the new software/constructopedia, and (importantly for me) there are some new pieces. Since I have no other technics (at (...) (26 years ago, 28-Oct-99, to lugnet.robotics)
|
| |
| | Re:
|
|
Carlo Ottolina wrote in message ... (...) See: (URL) Scout from menu Eric Brok (26 years ago, 28-Oct-99, to lugnet.robotics)
|
| |
| | Re: HI
|
|
Also a general introduction: (URL) Brok Alvin Yap wrote in message <19991013204452.1876...il.com>... (...) information (...) (26 years ago, 28-Oct-99, to lugnet.robotics)
|
| |
| | Re: Scout secrets revealed
|
|
(...) Great information Eric! I had noticed that the red light pulsed but it did not occur to me that it could be a coded message. If I could get a scan of Code Pilot Code Card, I would like to do some experiments to see if and what codes the Scout (...) (26 years ago, 28-Oct-99, to lugnet.robotics)
|
| |
| | MindFest coverage
|
|
I have an article and a few pictures here: (URL) (26 years ago, 28-Oct-99, to lugnet.robotics.events)
|
| |
| | Re: stalled motor detection
|
|
Thanks for pointing out the 'dead reckoning' thing. I meant 'object avoidance'! Heh, I think I'd better make another coffee run... Gary Livick wrote in message <381762F1.D9E4F391@p...ll.net>... (...) (26 years ago, 28-Oct-99, to lugnet.robotics.handyboard)
|
| |
| | Re: Scout secrets revealed
|
|
(...) I seem to remember some wristwatches a few years ago that you could download information to by holding them up to the computer monitor. To program it, you didn't actually have to drag the watch in front of the screen -- you could just keep it (...) (26 years ago, 28-Oct-99, to lugnet.robotics)
|
| |
| | Re: Group to discuss Teaching Lego Robotics?? lugnet.robotics.teaching ???
|
|
(...) Right on the dot! Early this year I suggested that such a group could be included at some point and time. Maybe that time has come now. Play well! Franz-Michael S. Mellbin --- Franz-Michael S. Mellbin E-mail: fischer-mellbin@fisc...ellbin.com (...) (26 years ago, 28-Oct-99, to lugnet.robotics.events)
|
| |
| | Re: Scout secrets revealed
|
|
I tried a little experiment on this.... The Scout light sensor can be "trained" by turning it off and then back on in a low light environment to show it what a low light reading is. Note: this can also be done by turning it on while a bright light (...) (26 years ago, 28-Oct-99, to lugnet.robotics)
|
| |
| | Re: RIS 1.5 vs RIS 1.0 software reviewed
|
|
Uh, I am pretty sure I saw "Reset Rotation" just a few minutes ago. And I have a "first ship" 1.0 set. --Jack Gregory Tilman Sporkert <lego-robotics@crynwr.com> wrote in message news:NBBBJMHNNJPIKOM...esw.com... (...) (26 years ago, 28-Oct-99, to lugnet.robotics)
|
| |
| | Re: Mindfest Panel: Robotics in the Classroom
|
|
(be warned - this is a long posting about Mindstorms in teaching) (...) Dear Ben, Thanks a lot. I liked your speech. Marcus and I were really sad that we could not come. At least I now got a little peak into one of the subjects that has my great (...) (26 years ago, 28-Oct-99, to lugnet.robotics)
|
| |
| | Using ROBOLAB with FIRST LEGO League
|
|
If your kids are using ROBOLAB in this years FIRST LEGO League, I've written a replacement for pages 27-36 in the Official FIRST LEGO League 1999 Rule Book, replacing ROBOLAB for RCX Code for Section III Practice Exercises... Its probably a little (...) (26 years ago, 28-Oct-99, to lugnet.robotics)
|
| |
| | Re: MindFest coverage
|
|
(...) I was just reading this article and suddenly I realized how I am so glad to have this unique opportunity to put some real faces in all the "virtual" faces I created of you in my head, so I could visualize you while we exchanged ideas. Thank (...) (26 years ago, 28-Oct-99, to lugnet.robotics)
|
| |
| | RE: Scout secrets revealed
|
|
(...) Looks like Eric got his batteries recharged at Mindfest! Hmmm, if we have pre-programmed abilities in the Scout, maybe we can make networks of scouts to make a distributed control system? Think of a conveyor system with a scout driving the (...) (26 years ago, 28-Oct-99, to lugnet.robotics)
|
| |
| | RE: Double echo
|
|
(...) There are no "tasks really, just a big loop that executes a bunch of opcodes...I'm paraphrasing here. The memory waste issue isn't that big a deal. The average distance to a boundary is 128 bytes, right. Say we allocate a 32 element data stack (...) (26 years ago, 28-Oct-99, to lugnet.robotics.rcx.pbforth)
|
| |
| | antwoord van Lego Nederland (Dutch)
|
|
Beste LEGO fan, Bedankt voor je E-mail. Wat wij u kunnen vertellen is dat in de eerste week van november de MINDSTORMS Robotics Invention System in Nederland verkrijgbaar zal zijn, dit betreft de Nederlandse versie 1.5. De richtprijs voor deze LEGO (...) (26 years ago, 28-Oct-99, to lugnet.robotics)
|
| |
| | RE: Double echo
|
|
Hi Ralph, (...) Yea, no stack-hungry applications... Just to be sure, do you plan to add an automatic stack boundary alignment to HAT word? I think it could be a good solution. And memory, you are right, with Forth we have enough memory ;-> (...) (...) (26 years ago, 28-Oct-99, to lugnet.robotics.rcx.pbforth)
|
| |
| | Re: More powerful motor (was: stuff)
|
|
(...) On Sat 16 Oct, Stephen Unwin (Me) wrote: (...) also there is short-circuit braking which will also come into play during PWM pulses (...) Forget that! (it does work but it can be simplified). Assuming a separate supply again for a more (...) (26 years ago, 28-Oct-99, to lugnet.robotics)
|
| |
| | Re: new pieces (was Re: Wot no RCX power connector?)
|
|
Sorry ... www.legoworldshop.com --> USA (Go) --> Lego Mindstorms --> 3803 RIS Upgrade Kit --> produces: ***...*** 3803 Robotics Invention System Upgrade Kit Note: This product requires the Robotics Invention System™ Ages: 12+ Price $ 24.99 The set (...) (26 years ago, 28-Oct-99, to lugnet.robotics)
|
| |
| | Re: !!! Laser attachments for Mindstorms !!!
|
|
(...) Depending on the wheels/tracks your bot has, and the surface it moves on, there is often a good chance that you will experience slippage, i.e. the bot will be blocked but the wheels/tracks are still moving. Bumpers are a decent way to (...) (26 years ago, 28-Oct-99, to lugnet.robotics)
|
| |
| | Re: Chaining multiple RCX's output to input
|
|
I use two resistors in series with the motor (one between the + side of the sensor port and the + side of the motor, and the other between the - side of the motor and the - side of the sensor port). That allows the additional advantages that: - the (...) (26 years ago, 28-Oct-99, to lugnet.robotics)
|
| |
| | ------( Welcome to lugnet.robotics.edu )------
|
|
Welcome to lugnet.robotics.edu, a LUGNET discussion group. CHARTER/PURPOSE: lugnet.robotics.edu (group): Learning and teaching with robotics: LEGO® robotics in the classroom; investigatory projects and project learning; project questions, (...) (26 years ago, 28-Oct-99, to lugnet.robotics.edu)
|
| |
| | ------( Terms of use for lugnet.com )------
|
|
TERMS OF USE FOR LUGNET.COM OVERVIEW AND DEFINITIONS lugnet.com ("LUGNET") is a privately owned Internet site designed and run primarily for the benefit of those who enjoy building with, discussing, collecting, buying & selling, trading, and (...) (26 years ago, 28-Oct-99, to lugnet.robotics.edu)
|
| |
| | New newsgroups lugnet.robotics.edu & lugnet.edu
|
|
lugnet.robotics.edu and lugnet.edu have just been created. For background information on how these came to be, please see the following messages and related threads: (URL) <-- especially this one (URL) <-- and this one (3 URLs) new discussion groups (...) (26 years ago, 28-Oct-99, to lugnet.admin.general, lugnet.robotics, lugnet.robotics.rcx.nqc, lugnet.robotics.events, lugnet.robotics.edu, lugnet.edu, lugnet.loc.us.ma.bos, lugnet.dacta, lugnet.general, lugnet.announce)
|
| |
| | RE: Live Robot Video
|
|
The URL is broken (a firewall problem). The working URL is (URL) video is still on, but no robot is attached. What you see instead is a live picture of the lego room. Rich Thompson (URL) Message----- From: news-gateway@lugnet.com (...) (26 years ago, 28-Oct-99, to lugnet.robotics)
|
| |
| | MindFest coverage
|
|
I have an article and a few pictures here: (URL) (26 years ago, 28-Oct-99, to lugnet.robotics)
|
| |
| | an interesting site, may be of use
|
|
one of my co-workers sent me this site, might be of use to some of us here. (URL) daze (26 years ago, 29-Oct-99, to lugnet.robotics)
|
| |
| | Re: Firmware behaviour
|
|
(...) And I always thought people would strike at the red button instinctively. Well, it's the green one. legOS will behave likewise, then - ON/OFF will work even if tasks are running. Markus. (26 years ago, 28-Oct-99, to lugnet.robotics.rcx)
|
| |
| | Re: MindFest coverage
|
|
Jonathan Knudsen <lego-robotics@crynwr.com> wrote in message (...) I was so busy I didn't get a chance to take many photos. Sorry I missed one of you Johathan (the god of Mindstorms books). For those that want a look: (URL) (26 years ago, 29-Oct-99, to lugnet.robotics)
|
| |
| | RE: Double echo
|
|
(...) I think I can add auto stack stuff before the weekend. (...) I did it, it works. (...) Yes, but hopefully if you set the mode, you wont forget it too quickly! :-) Here are the new words for the next release: RCX_ECHO - a variable, initially 0 (...) (26 years ago, 29-Oct-99, to lugnet.robotics.rcx.pbforth)
|
| |
| | Re: What should be in the next version of RcxCC
|
|
Mark, even though it's "Not Quite RcxCC", are you open to more 'features' in your tutorial "Programming Lego Robots using NQC" ?? (Looking for URL... mmmm..) found at: (URL) is more related to the 'Education' stuff we've been talking about (and will (...) (26 years ago, 29-Oct-99, to lugnet.robotics.rcx.nqc)
|
| |
| | Tutorials and materials for teaching Lego robotics
|
|
NOTE: This discussion started in lugnet.robotics.rcx.nqc when Mark Overmars in the Netherlands asked "What would we like to see added to his RcxCC (Rcx Command Center for NQC)?" But this ended up being an example of the Education-oriented questions (...) (26 years ago, 29-Oct-99, to lugnet.robotics.edu)
|
| |
| | First batch of captioned NELUG Mindfest pic's done.
|
|
Well the first batch of Sorted and Captioned Mindfest pic's are done. I have finished the NELUG table page and a People page with Captions so you can finally see who some of these people are. Unfortunately we still are missing a ton of people (...) (26 years ago, 29-Oct-99, to lugnet.general, lugnet.org.us, lugnet.loc.us.ma.bos, lugnet.people, lugnet.robotics, lugnet.starwars)
|
| |
| | Announce: NQCIPC update
|
|
As some of you may know, about three weeks ago I released a package called NQCIPC that provides a basic API for semaphores and intertask messaging on NQC. Originally written for NQC 1.x, it's been updated for 2.x and I'd be interested in seeing what (...) (26 years ago, 29-Oct-99, to lugnet.robotics)
|
| |
| | Re: Scout secrets revealed
|
|
Additional observations: - at the start of any program, the Scout emits barcode 004 which triggers a 'steam puff' sound in the Code Pilot (if it's in record mode). The Scout seems to emit no other barcodes (but motor left, motor right, motor float (...) (26 years ago, 29-Oct-99, to lugnet.robotics)
|
| |
| | Re: Scout secrets revealed
|
|
Hi Eric, thanks for digging into the Scout and revealing all those amazing features! Last Sunday at the Mindfest I met a Lego representative who confirmed that there's much more than most of people image packed into the Scout. He told me they're (...) (26 years ago, 29-Oct-99, to lugnet.robotics)
|
| |
| | LegOS newbie wants more info.
|
|
Hi everyone. I just got my Robotics Invention System 2 weeks ago and decided to not even try the Lego software. I also just got the O'Reilly book in the mail. I have been able to compile LegOS 0.2.0a and download firmare & demo programs. Can someone (...) (26 years ago, 29-Oct-99, to lugnet.robotics.rcx.legos)
|
| |
| | 16 outputs from 1 RCX output
|
|
Tony Sceats asked me about using the PWM output to control 8 actuators. Assuming a separate supply of 5V, create 2 potential divider networks from +5v to 0v to give 2.5v at the mid-point. Refer to these as A1 and A2. Connect the RCX output to A1 (...) (26 years ago, 29-Oct-99, to lugnet.robotics)
|
| |
| | Re: LegOS newbie wants more info.
|
|
(...) decided (...) the (...) demo (...) demo (...) Hi Kevin, look at the excellent legOS HOWTO by Luis Villa: (URL) (26 years ago, 29-Oct-99, to lugnet.robotics.rcx.legos)
|
