 | | Ordering custom-cut plastic gears for Legos
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I've seen web pages about Lego clocks such as this one: (URL) it want it to be my hobby to make a clock out of Legos. I'm trying to copy a foreign clock and I'm waiting to get contacted back with info about the number of teeth for every gear. Lego (...) (17 years ago, 26-Sep-08, to lugnet.robotics)
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| | Sample Chapter of LEGO NXT Mechatronics Book Available
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Hi All, I've just updated a sample chapter of the LEGO NXT Mechatronics:Intelligent Machine Concepts book I'm writing to my blog. <http:www.family-sci...Blog.htm>. My goal is have the manuscript completed by the end of the year. Enjoy!!! Don W. (17 years ago, 19-Sep-08, to lugnet.robotics)
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| | Re: PnP, an NXT-based "industrial" robot
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(...) Nah. Pressing the OFF button is OK. It's when it starts pressing the ON button that you have to worry. That's why one of my personal rules is "the deadlier the robot, the shorter the extension cord." BTW, not only is the 'bot nice, simple and (...) (17 years ago, 18-Sep-08, to lugnet.robotics)
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| | Re: PnP, an NXT-based "industrial" robot
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(...) Thank you. Like I said, you guys (rtl) are at least partially responsible (or to blame) for this, so I thought I'd flag it your way. (...) Well, speaking of computer angst, I only realized after the fact that PnP can literally push it's own (...) (17 years ago, 17-Sep-08, to lugnet.robotics)
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| | Re: PnP, an NXT-based "industrial" robot
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Brian, This is a nice robot. Ive not been on RTL for a bit (computer angst) but this was a nice video and robot to watch. Keep up the good work Regards Chris (...) (17 years ago, 17-Sep-08, to lugnet.robotics)
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| | AW: Primer on writing NXT-G blocks?
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Well, they sometimes need to be inquired after a while - in my case, I never got an answer to my first request. Only when having asked about it on some "informal" channel, they sent it rather quickly. But that's just my personal experience and (...) (17 years ago, 16-Sep-08, to lugnet.robotics)
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| | Re: Primer on writing NXT-G blocks?
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(...) Thanks for the input, guys. Right now I'm stuck waiting for NI to act on my request for the student edition of LabVIEW -- they don't seem to be very speedy. How long do they usually take? -dave (17 years ago, 16-Sep-08, to lugnet.robotics)
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| | Re: Primer on writing NXT-G blocks?
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Right now I don't know of any better resource than just looking at examples like Steve's. However, there is a book I wrote titled "LabVIEW for LEGO MINDSTORMS" that will be out this Fall that contains a primer on writing NXT-G blocks as well as (...) (17 years ago, 16-Sep-08, to lugnet.robotics)
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| | Re: Primer on writing NXT-G blocks?
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(...) Dave, While I don't know of anything like that, all the blocks on my page are unlocked, so you can check them out. (URL) that helps Steve (17 years ago, 14-Sep-08, to lugnet.robotics)
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| | Primer on writing NXT-G blocks?
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Please pardon if this is a FAQ. I thought I would write some simple NXT-G blocks, but couldn't google up anything that looked like a HowTo on the topic. I've downloaded the SDK material, etc. What I'm really looking for is a simple "hello world" (...) (17 years ago, 13-Sep-08, to lugnet.robotics)
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| | Re: Help locating RIS 2.0 and updating from 1.5
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What's the url for the torrent site? Thanks! -- Perry (...) (17 years ago, 10-Sep-08, to lugnet.robotics)
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| | Re: Help locating RIS 2.0 and updating from 1.5
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Many thanks to John who pointed me to a torrent site. (...) (17 years ago, 7-Sep-08, to lugnet.robotics)
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| | Re: Help locating RIS 2.0 and updating from 1.5
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Have you tried (URL)? (17 years ago, 7-Sep-08, to lugnet.robotics, FTX)
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| | Help locating RIS 2.0 and updating from 1.5
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Hi all, My Mindstorms kit has been gathering dust for sometime but I just unpacked it (my daughter is now old enough to join in). However I'm having loads of grief trying to run it under XP. I read that RIS2.0 supports XP and the brick can be (...) (17 years ago, 7-Sep-08, to lugnet.robotics)
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| | Re: Asking for RIS 2.0 patch under Windows XP
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Hi all, If your RIS 2.0 freezes under Windows XP when it tries to detect the USB IR tower, install this patch : (URL) View this message in context: (URL) from the LEGO Robotics mailing list archive at Nabble.com. (17 years ago, 6-Sep-08, to lugnet.robotics)
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| | Re: Go Team Hassenplug! PSumo at Brickfair
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(...) That's very cool!! Almost like using pre-programmed building blocks in a computer (like Visual-Orieneted Programming), but instead..on cards! How cool would it be for TLG to see "NXT motion packs" like trading cards? TLG could make an NXT (...) (17 years ago, 5-Sep-08, to lugnet.robotics)
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| | Go Team Hassenplug! PSumo at Brickfair
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Congrats to Steve Hassenplug on the mention at (URL) Programmable Sumo Robots with LEGO MINDSTORMS at Brickfair For all the details see (URL) Tormod Askildsen (Head of LEGO Community Development) got in on the action :) RFID Sensors available at (...) (17 years ago, 5-Sep-08, to lugnet.robotics)
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| | 2D sound localizing robot
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Here is our new sound localizing robot called Nic_3. It is capable of fixing the azimuth of a sound source that is located in the horizontal plane. The localizing process is done using the stereo audio amplifier that we already used with Nic_1 and (...) (17 years ago, 1-Sep-08, to lugnet.robotics)
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| | Re: PnP, an NXT-based "industrial" robot
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(...) Yes, the motion reminds me a a bird as well sometimes. The speed of the arm motions is under program control - it will slow down smoothly as it approaches the target position, for instance, and some movements are set to accelerate & (...) (17 years ago, 31-Aug-08, to lugnet.robotics)
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| | Re: PnP, an NXT-based "industrial" robot
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(...) Doh being blind it did move on... (17 years ago, 31-Aug-08, to lugnet.robotics)
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| | Re: PnP, an NXT-based "industrial" robot
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Nice work again Brian, It is a nice action, is it accelerating? or fixed speed?, reminds me of a bird.. perhaps Peck'n'Place... :) I noticed you have a calibration with a limit switch under the 'place' rack, are your Pick racks also calibrated or (...) (17 years ago, 31-Aug-08, to lugnet.robotics)
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| | Re: Help vintage 1093 Interface A
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Hi Dino, (...) probably yes, the interface is simply TTL I/O according to this site: (URL) that I have no personal experience with this, use at your own risk. Jürgen (17 years ago, 31-Aug-08, to lugnet.robotics)
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| | PnP, an NXT-based "industrial" robot
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OK, I had to post this in rtl because I confess the main inspiration for this was watching Ian's amazing LEGO industrial P&P automations over the years. This isn't nearly as fast as his, but it's the first time I've captured a motion I really like, (...) (17 years ago, 31-Aug-08, to lugnet.org.ca.rtltoronto, lugnet.robotics, lugnet.technic) !
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| | Re: Help vintage 1093 Interface A
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(...) Please, can you help me? (17 years ago, 29-Aug-08, to lugnet.robotics)
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| | Re: Official New Service Announcement From The BrickEngraver--LONG
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<Snippage> (...) </Snippage> 60's, huh? Although I wasn't there myself, my uncle always said if you remember the 60's, you weren't there. You remembered part of it. Does that mean you were partially there? ;) -Rob www.lifelites.com FUT - O-T.fun (17 years ago, 26-Aug-08, to lugnet.robotics)
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| | Re: Official New Service Announcement From The BrickEngraver--LONG
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(...) Steve/Stewart not bad for 40 years of being in a muddled brain of millions of pathways. Even got "access to tools" right. As you can tell, that was a really important book in my youth. And memories from youth are the ones that stick the best (...) (17 years ago, 26-Aug-08, to lugnet.robotics, FTX)
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| | Re: Official New Service Announcement From The BrickEngraver--LONG
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(...) (URL) Whole Earth Catalog> by Stewart Brand (17 years ago, 25-Aug-08, to lugnet.robotics, FTX)
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| | Re: Official New Service Announcement From The BrickEngraver--LONG
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(...) Back in the late 60's or early 70's a guy name Steve Brand (this if from memory) came out with The Whole Earth Catalog--An Access to Tools. Big rage in the hippie/design/commune/techno geeky subcultures. He essentially provided a source for (...) (17 years ago, 25-Aug-08, to lugnet.robotics)
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| | Re: RCX Programming on GNU/Linux
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(...) And there's always BrickOS - can be a bit of work to setup, but gives you a GNU C compiler & tools, with C++ support. (URL) (17 years ago, 23-Aug-08, to lugnet.robotics)
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| | Re: Wireless Power for LEGO Trains?
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(...) There are several (numerous?) wireless power transmission systems in development. Electric toothbrushes were early adopters. Google "eCoupled" for a system aimed at eliminating the hassle of recharging all your mobile gadgets. Steve (17 years ago, 23-Aug-08, to lugnet.robotics)
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| | AW: RCX Programming on GNU/Linux
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On Linux, you could use Java-based leJOS for programming the RCX in connection with the associated Eclipse plugin (see ((URL) Nachricht----- Von: news-gateway@lugnet.com [mailto:news-gateway...ugnet.com] Im Auftrag von Andrew G. Meyer Gesendet: (...) (17 years ago, 23-Aug-08, to lugnet.robotics)
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| | Re: RCX Programming on GNU/Linux
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NQC works like a charm. I take it Ubuntu users prefer a IDE to simplify things. But coding in NQC is not so bad. Open up gedit and code away! (...) (17 years ago, 23-Aug-08, to lugnet.robotics)
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| | Re: RCX Programming on GNU/Linux
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NQC will run under linux. Unfortunately my preferref IDE- bricXCC does not work under WINE. (It seems to work for everything except the communication to the brick part). Rob A. (...) (17 years ago, 23-Aug-08, to lugnet.robotics)
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| | RCX Programming on GNU/Linux
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So, I am delurking after a year or so to ask if anyone has seen a good way to work with the RCX on Linux. I have available to me RS232 and USB towers, RCX versions 1.0, 1.5, and 2.0, ROBOLAB versions 1.0 through 2.9 (plus bug fix), RIS2.0, as well (...) (17 years ago, 22-Aug-08, to lugnet.robotics)
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| | Re: Hmmm... WeDo
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(...) Actually, now that you force me to pay attention, I was thinking of the #8886 Power Function to 9V cable, which can connect to NXT via the NXT to 9V cable. But of course, given that stack-up of kludges, there is a wire pair missing, at least (...) (17 years ago, 18-Aug-08, to lugnet.robotics)
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| | Help vintage 1093 Interface A
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Ciao to all, I need your help concerning the vintage 1093 Interface A. I found the 9750 version, with no interface cable and no software :-( Is possible to build-up a parallel cable for PC ? I have noticed that it is compatible with Apple II, IBM (...) (17 years ago, 18-Aug-08, to lugnet.robotics)
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| | Re: Hmmm... WeDo
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(...) I think the software used to program the WeDo is written in Labview, the same way the software used to program the NXT is written in Labview. (...) The NXT to 9V cable is for the "old" 9v system that has two wires. The new Power Function (...) (17 years ago, 17-Aug-08, to lugnet.robotics)
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| | Hmmm... WeDo
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Today a catalog from Lego Educaton turned up in the snail mail. As I was flipping through it I saw the "WeDo" system advertised in it. OK, so I guess people who religiously follow Lego press releases would have known about WeDo two weeks ago.... so (...) (17 years ago, 16-Aug-08, to lugnet.robotics)
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| | Win a MINDSTORMS NXT set at Brickfair
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This year at BrickFair, a grand prize of a MINDSTORMS NXT set will be awarded to one lucky person. But, instead of the grand prize simply being awarded to the winner of any event, everyone who enters any of the three MINDSTORMS events will be (...) (17 years ago, 13-Aug-08, to lugnet.events, lugnet.robotics, lugnet.technic, lugnet.general)
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| | Cant get sensors to work properly
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Hi I have a little problem. I'm using the latest Bricx command center together with my cybermaster brick. My program code looks something like this: task main () { if(SENSOR_1) SetOut(OUT_A)); } Everything comiles nicely but nothing happens when I (...) (17 years ago, 13-Aug-08, to lugnet.robotics)
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| | Mars rover IV
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After the HALE experiment we turned back to the Mars rover project IV. Remember that we want to realize a fully autonom LEGO Mars rover running on the simulated Mars environment that already served for the previous projects. The idea is to have two (...) (17 years ago, 13-Aug-08, to lugnet.robotics)
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| | Re: HALE (High Altitude LEGO Extravaganza)
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(...) Not necessarily. WALL-E has not been released entirely worldwide. Much of Europe is still waiting for its release. Joe (17 years ago, 31-Jul-08, to lugnet.robotics)
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| | Re: HALE (High Altitude LEGO Extravaganza)
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(...) Surely you've heard of WALL-E by now... (17 years ago, 30-Jul-08, to lugnet.robotics)
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| | Re: The LEGO Didn't Break (or the HALE Mission - LEGO where it was never intended to go)
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(...) Brian do you have one of these near you? (URL) just happens to be over the road from my local LEGO shop. (local being 85 Miles, needless to say I dont go there that often!) Mike. (17 years ago, 31-Jul-08, to lugnet.robotics)
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| | Re: The LEGO Didn't Break (or the HALE Mission - LEGO where it was never intended to go)
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(...) A couple of folks have asked me about that. Trust me, anything I can will be free for anybody who wants it, but I'll have to figure out a way to put it up. Brickshelf is really for pictures, and I push it by posting images of data graphs... (...) (17 years ago, 30-Jul-08, to lugnet.robotics)
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| | Re: The LEGO Didn't Break (or the HALE Mission - LEGO where it was never intended to go)
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(...) You should be proud! Excellent success. I hope ALL your data will be published. The nerd in me really wants to know what the terminal velocity of a box of Styrofoam filled with Lego is... And pictures, I'm assuming the ground recovery crew (...) (17 years ago, 30-Jul-08, to lugnet.robotics)
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| | HALE (High Altitude LEGO Extravaganza)
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It certainly was the most exciting robot project which we participated in. Many thanks: 1. to the organizers : Dr. Eric Wang and his team at Nevada University. Great job guys !!! 2. to the sponsors : Nevada Space Grant, LEGO Company, Energizer, (...) (17 years ago, 30-Jul-08, to lugnet.robotics)
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| | Re: The LEGO Didn't Break (or the HALE Mission - LEGO where it was never intended to go)
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Give you joy for your very successful mission. And a glass of wine with you. Incredible. Will be expecting with much anticipation your final report to the Admiralty and the subsequent publishing of results in the LEGO Gazette. I hate it when I (...) (17 years ago, 30-Jul-08, to lugnet.robotics)
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| | Re: The LEGO Didn't Break (or the HALE Mission - LEGO where it was never intended to go)
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Give you joy for your very successful mission. And a glass of wine with you. Incredible. Will be expecting with much anticipation your final report to the Admirality and the subsequent publishing of results in the LEGO Gazette. Tommy Armstrong (17 years ago, 30-Jul-08, to lugnet.robotics)
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| | The LEGO Didn't Break (or the HALE Mission - LEGO where it was never intended to go)
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OK, I'm a little bit proud of this... and, mostly, amazed that it functioned at all. I was selected to participate in the HALE (High Altitude LEGO Extravaganza) after submitted two proposals in the hopes one would make it... and instead, both were (...) (17 years ago, 30-Jul-08, to lugnet.robotics, lugnet.robotics.nxt, lugnet.technic) !
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| | Re: Asking for RIS 2.0 patch under Windows XP
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|
I had two laptops giving me that same error: "A critical error has occurred. You may be running out of memory, or you may need to reinstall Robotics Invention System 2.0." It must have been a recent Windows update that messed them up, as these (...) (17 years ago, 26-Jul-08, to lugnet.robotics)
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| | Re: Asking for RIS 2.0 patch under Windows XP
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|
Ok I'll do that. Lego support has always been very helpful in the past :) Thanks Luca (...) (17 years ago, 26-Jul-08, to lugnet.robotics)
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| | Re: Asking for RIS 2.0 patch under Windows XP
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Dear Luca, I got an email from Lego few days ago, seems Lego has solution for Windows Vista yet. You can ask him for free CD just write you probelm on official Lego site. Best Regards, Alan (...) (17 years ago, 26-Jul-08, to lugnet.robotics)
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| | Re: NXT programming with Logo
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(...) I used to use Terrapin Logo and MicroWords on the RCX. Haven't used either on the NXT. If only to get kids to think in a lambda-calculus programming language, I'd pop for fee based MicroWorlds. Unfortunately, the spirit is willing, but the (...) (17 years ago, 26-Jul-08, to lugnet.robotics)
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| | Re: Asking for RIS 2.0 patch under Windows XP
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(...) That did it :) However I also installed the Ultimate Builders Set, which gives me a similar error, as well as complaining about a broken Quicktime installation. I saw on the Lego website that this is because of a recent Quicktime version, but (...) (17 years ago, 24-Jul-08, to lugnet.robotics)
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| | Re: Worm gear... whence the length?
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(...) Hi Brian, obviously you are working hard on Nadar 2.0 :) Also read about your Little Joe free-fall on H.A.L.E and I wish you very good look with that! ;-) Two NXTs in one single mission is of great courage... For the worm gear issue I also (...) (17 years ago, 23-Jul-08, to lugnet.robotics)
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| | Re: Worm gear... whence the length?
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Hi Brian, (...) I have used thin slices of LEGO corrugated tubes as washer for that. Works fine, but I can't guarantee it would work for a long time without wear... Philo (17 years ago, 23-Jul-08, to lugnet.robotics)
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| | NXT programming with Logo
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I've been lurking with interest, teach intro robotics in middle school among other tech subjects, and wonder if any of you use the latest version of MicroWorlds EX Robotics, V 1.6, to program NXT robots. I just found out about that capability so (...) (17 years ago, 23-Jul-08, to lugnet.robotics)
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| | Re: Worm gear... whence the length?
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(...) Neither. I actually purchased those from Mindsensors. They sell a thinner, flexible cable with NXT-style plugs. For the HALE mission (what this payload is aimed at - launch in 7 days or so), every gram counts, and I realized that at least in (...) (17 years ago, 23-Jul-08, to lugnet.robotics)
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| | Re: Asking for RIS 2.0 patch under Windows XP
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I had this error message on a Vista system. RIS 2.0 worked fine the first time I ran it, but gave this error every subsequent time (even if I uninstalled/reinstalled it). Memory definitely wasn't an issue since the system had 4GB RAM plus swap (...) (17 years ago, 22-Jul-08, to lugnet.robotics)
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| | Re: Asking for RIS 2.0 patch under Windows XP
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(...) I have just encountered this exact problem, but on Windows Vista. Did you find a solution? Could you please tell me what you did? Thanks in advance Luca (17 years ago, 22-Jul-08, to lugnet.robotics)
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| | Re: Worm gear... whence the length?
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(...) Rafe (17 years ago, 22-Jul-08, to lugnet.robotics)
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| | Re: Worm gear... whence the length?
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(...) Thanks Mark - those are nice designs. In my case I needed the precision, but I also needed a very compact implementation *and* it had to mount to an NXT motor: (URL) pretty happy with the design, but the slop really needed to be compensated (...) (17 years ago, 22-Jul-08, to lugnet.robotics)
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| | Re: Worm gear... whence the length?
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(...) Hi Brian, If you're struggling with worm gaps for your leadscrew, this pic of my crane worm gearbox might help: (URL) worm is two worms long, plus two pairs of old type (crennellated) half bushes (small pulleys) and an old type 14-tooth bevel (...) (17 years ago, 22-Jul-08, to lugnet.technic, lugnet.events.brickworld, lugnet.robotics)
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| | Re: Worm gear... whence the length?
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(...) That would make sense, but for the fact that the worm gear is ten years older than the gearbox that you cited. The only reason that the worm gear had to be made a tiny bit less than 2 studs long was so that when you put it between two TECHNIC (...) (17 years ago, 21-Jul-08, to lugnet.events.brickworld, lugnet.robotics)
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| | Re: NXT-G print to text?
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(...) Nice defense! I'm sure the NI engineers have anticipated the complexities you've mentioned. Hence, no scary print-to-text. However, I'm not asking for anything so ambitious. I hold that a print-to-text within the context of plain NXT-G (no (...) (17 years ago, 21-Jul-08, to lugnet.events.brickworld, lugnet.robotics)
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| |
| | Re: Worm gear... whence the length?
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|
"Brian Davis" <brdavis@iusb.edu> wrote in message news:K49Az5.87G@lugnet.com... (...) The problems with the worm gear that you describe are due to the fact that it has to fit into this part in this set and others, which was designed to accomodate (...) (17 years ago, 20-Jul-08, to lugnet.events.brickworld, lugnet.robotics)
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| | Re: Worm gear... whence the length?
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(...) True, with the caveat that the LEGO worm gear has only a single thread. Another way of putting it is that if you want to multiply align (stack) worm gears, the number of times the thread goes around the worm gear has to be an integer (or since (...) (17 years ago, 20-Jul-08, to lugnet.robotics)
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| | Re: Worm gear... whence the length?
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(...) The number of thread has to be an integer. If not, you could not been able to use multiple worm gear on a same axle. And the thread pitch is determined from the straight gears pitch. (which is something like nPi/m studs (n,m being intergers). (...) (17 years ago, 19-Jul-08, to lugnet.events.brickworld, lugnet.robotics)
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| | Re: NXT-G print to text?
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(...) <grin>. I said "conclusions may now be drawn", not "all conclusions are equally likely to be correct". You seem to be assuming that NI is stupid or overconfident. I'm pretty sure that's not the case. When there's something I don't understand (...) (17 years ago, 19-Jul-08, to lugnet.robotics)
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| |
| | Re: Bluetooth connection drops very often in Bricx
|
|
Hi John, Great! It works now almost in zero time. thanks Phuoc (...) ----- ......... www.folksfun.com ......... (17 years ago, 19-Jul-08, to lugnet.robotics)
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| | Re: NXT-G print to text?
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|
(...) Obviously, NI is so confident they've reached their design goal: that every 9 year old should be able to program in NXT-G without calling tech support. In my classes, 9 and 10 year olds blow through such a low level of expectation within an (...) (17 years ago, 19-Jul-08, to lugnet.events.brickworld, lugnet.robotics)
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| | Re: ONLINE LEGO NXT INTERFACING WORKSHOP
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(...) Well, if you can figure out how to drive DCC chips embedded in trains, a lot of folks would be happy. Controlling crossing gates, detecting trains and moving cow heads, automated switching, decouplers, dumpers, etc... & a lot of that can be (...) (17 years ago, 18-Jul-08, to lugnet.robotics)
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| | Re: NXT-G print to text?
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(...) I agree, which is why I suggested using NXT-G's print option - it will allow you to check "show hidden structures" or somesuch that will show you all the hidden structures in tabbed view mode. (...) Well, let me put it this way. A text version (...) (17 years ago, 18-Jul-08, to lugnet.robotics)
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| | Re: NXT-G print to text?
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(...) It would really help to be able to read text. Specially when a young student brings me an NXT-G program for debugging that has switches buried within switches and loops, etc. It's really irritating when terminal points are lost while browsing (...) (17 years ago, 18-Jul-08, to lugnet.events.brickworld, lugnet.robotics)
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| | Re: Bluetooth connection drops very often in Bricx
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(...) It sounds to me like you are running BricxCC with it configured to launch the NBC compiler executable rather than telling it to use the built-in version of the NBC compiler. In this mode a) it is a bit slow, and b) the connection drops (...) (17 years ago, 16-Jul-08, to lugnet.robotics)
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| | Re: ONLINE LEGO NXT INTERFACING WORKSHOP
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Hi Brian, Thanks for the great suggestions and assistance on finding the right target group for this workshop.Some projects I plan are using the NXT and Legacy sensors for object detection and measurements as well as how to control non NXT Servo (...) (17 years ago, 16-Jul-08, to lugnet.events.brickworld, lugnet.robotics)
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| | Re: ONLINE LEGO NXT INTERFACING WORKSHOP
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(...) Thanks for the addition information. I list of potential projects would be nice to see at some point (there's certainly no lack of possibilities, and you could aim at train folks as well who could really benefit from this sort of thing). (17 years ago, 16-Jul-08, to lugnet.robotics)
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| | Re: ONLINE LEGO NXT INTERFACING WORKSHOP
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(...) Hi Brian, Thanks for the comments. Right now I'm just soliciting to see if there is an interest. The cost would include: 1. The Logic Probe Kit 2. Workshop Manual 3. Small bag of parts 4. Renting conference space for using Skypes Whiteboard (...) (17 years ago, 15-Jul-08, to lugnet.events.brickworld, lugnet.robotics)
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| | RE: Lego Robotics in NSW schools Australia
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Hello Stuart, My name is Dan Brush from Woodbury Vermont, USA, we are also setting up a first - year team here and I have been in Couch with FIRST directly and they have put me in touch with some teams in the neighboring state of New Hampshire. I'll (...) (17 years ago, 15-Jul-08, to lugnet.robotics)
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| | Lego Robotics in NSW schools Australia
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Hello Everyone, I have been given the task to set up a middle school (Year 9/10) robotics course in a new school in NSW, Australia. I been doing a bit of research recently and came across this mailing list. I have been reviewing the comments sent, (...) (17 years ago, 15-Jul-08, to lugnet.robotics)
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| | Re: Asking for RIS 2.0 patch under Windows XP
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I ran into this problem 2 weeks ago when trying to deploy a new software image to 2 of my labs at work. The installs in the two build images both worked the first time and then started giving the error mentioned below. So far as I have been able to (...) (17 years ago, 15-Jul-08, to lugnet.robotics)
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| | Re: Bluetooth connection drops very often in Bricx
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(...) I cannot aid with the Bluetooth issues but I have a strategy that I use to when programming my Lego things that helps me change numbers without the cycle of program, save, download, run. I write the program with, for lack of a better term, (...) (17 years ago, 11-Jul-08, to lugnet.robotics)
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| | Bluetooth connection drops very often in Bricx
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I'm using BricxCC and whenever I've changed something (even a single number) I've to download my program to my NXT. It's a bit slow. But I can live with that. The worst thing is that the connection drops during or after the download quite often (...) (17 years ago, 11-Jul-08, to lugnet.robotics)
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| | Re: question on mindstorm capabilities for competition
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(...) Lucky you. :) Sounds like you have everything you need. (...) With 2 light sensors, two possible (there are other) strategies are (1) Try to keep both sensors on the line. When one goes off, turn towards the one still on the line. If both go (...) (17 years ago, 9-Jul-08, to lugnet.robotics)
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| | Re: question on mindstorm capabilities for competition
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Hi all, Just wanted to follow up on this! It turns out that Tim (the 10y/o) has a next door neighbor with a complete RCX mindstorm kit with tons of extras from being in a lego robotics club in the past. The neighbor was nice enough to give us all of (...) (17 years ago, 9-Jul-08, to lugnet.robotics)
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| | Re: Asking for RIS 2.0 patch under Windows XP
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Dear Linmix, Yes, I did sent these message to Lego before I wrote this request, but get nothing yet. Anyway, I have some solution found in google, but not Lego MindStorms solution. Thanks for all your guys. Alan (...) (17 years ago, 8-Jul-08, to lugnet.robotics)
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| | Re: AW: Assembly line feeding system
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(...) Thank Rafe Donahue, actually. I learned about it from a math/statistics-based presentation about GBC modules he gave at BrickWorld 2007. If he didn't discover the technique himself, he at least documented it. :) I haven't seen a lot of modules (...) (17 years ago, 8-Jul-08, to lugnet.robotics)
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| | Re: Asking for RIS 2.0 patch under Windows XP
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You should contact LEGO directly through the contact form on their website. They are always very helpful and may be able to point you in the right direction linmix 2008/7/7 Morten H Pedersen <mhp@dadlnet.dk>: (...) (17 years ago, 7-Jul-08, to lugnet.robotics)
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| | Re: Asking for RIS 2.0 patch under Windows XP
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I have probably the same problem? Get the error message: A critical error has occurred. You may be running out of memory, or you may need to reinstall Robotics Invention System 2.0 I think a Windows update patch has done the thing, since it used to (...) (17 years ago, 7-Jul-08, to lugnet.robotics)
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| | Asking for RIS 2.0 patch under Windows XP
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Dear All, I have probelm to excute RIS 2.0 that enclosed with original package under Windows XP system. On the other hand, I found one patch on Lego officical site, but it doesn't work when I installed it. And, seems that patch is not for that (...) (17 years ago, 6-Jul-08, to lugnet.robotics)
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| | Re: question on mindstorm capabilities for competition
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(...) Hi George, NXT will do this fine, however you might want to try two light sensors (1 more than in the Retail Kit) Otherwise you might not be able to tell going off line and a break in the line! The NXTG language would be fine for this task and (...) (17 years ago, 4-Jul-08, to lugnet.robotics)
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| | Re: AW: Assembly line feeding system
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(...) Hello Jordan, Thanks a lot for the tip! This is an amazinly simple and effective way to serialize a ball flow. According to my experiments, there is a little thing to add to your explanations: the narrow ramp level must be sufficiently lower (...) (17 years ago, 4-Jul-08, to lugnet.robotics)
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| | Re: AW: Assembly line feeding system
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GBC module creators tend to independently reinvent the same hopper solutions used in factories. Some of them shake, many of them have an agitator spinning inside it to loosen the pieces, but the simplest just use gravity and a change of direction. (...) (17 years ago, 2-Jul-08, to lugnet.robotics)
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| | AW: Assembly line feeding system
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Maybe a look into actual GBC designs and their approaches to transportation might prove useful (?). (Ok, it's for LEGO balls instead of plates) (URL) Nachricht----- Von: news-gateway@lugnet.com [mailto:news-gateway...ugnet.com] Im Auftrag von John (...) (17 years ago, 2-Jul-08, to lugnet.robotics)
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| | Re: question on mindstorm capabilities for competition
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George, I think the NXT would be an excellent way to get your son involved in robotics. And, it should do just fine in that competition. That's pretty much what it was designed for. Don't worry about a lack of experience with Mindstorms. I'm sure (...) (17 years ago, 30-Jun-08, to lugnet.robotics)
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| | Assembly line feeding system
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What I'm trying to do is inspired by the feeding mechanism of (URL) trying to feed 1x1 plates into an assembly line. I've built several hoppers to hold a few hundred pieces each. I've got a chute design so that the pieces slide down without room to (...) (17 years ago, 27-Jun-08, to lugnet.robotics)
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| | question on mindstorm capabilities for competition
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Hi all, Every year on our campus we have a robotics competition called the Mobot race, where home built robots attempt to steer through a course by following a painted white line. This white line curves and breaks at some points depending on the (...) (17 years ago, 26-Jun-08, to lugnet.robotics)
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| | Re: Brickworld 2008 - Thanks to Everyone
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I am so sorry I missed it due to work schedule :( Maybe next year... sigh (17 years ago, 24-Jun-08, to lugnet.events.brickworld, lugnet.robotics, FTX)
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| | Re: Brickworld 2008 - Thanks to Everyone
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(...) Stacy and I second this. The whole Brickworld Team deserves a huge round of applause for all the hard work and long hours you put in to make this a spectacular event. Everything just seemed to run so smoothly and it seemed that every detail (...) (17 years ago, 24-Jun-08, to lugnet.events.brickworld, lugnet.robotics, FTX)
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