 | | Re: NQC programming guide
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I think you need to learn to program in text-based languages in general, first. Since NQC stands for "Not Quite C," you should learn the basics of programming in C or C++. (URL) sure someone will come in here and decry that approach and tell you to (...) (19 years ago, 5-Dec-06, to lugnet.robotics)
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| | Re: NQC programming guide
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(...) So why use an array with say 5 values and not 5 variables? (...) so it's always +1, not like my pocket calculator which will keep adding the original value of x if I use a double + (5++ =10, 15, 20, etc.) (...) (19 years ago, 5-Dec-06, to lugnet.robotics)
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| | Re: NQC programming guide
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(...) I wouldn't say I was a great programmer either. An array is simply a sequence of memory variables (say 1-10) that can be accessed via their numeric position. x++ If you write x++ in your code and x=1, once used, one will be added to it so it (...) (19 years ago, 5-Dec-06, to lugnet.robotics)
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| | NQC programming guide
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I've been lurking on the forum for some time now, and it's about time I asked a few questions. I've read Mark Overmars' "Programming Lego Robots and using NQC" and am going through Dave Baum and John Hansen's "NQC Programmer's Guide". both are (...) (19 years ago, 5-Dec-06, to lugnet.robotics)
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| | Re: NXT with C#
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Hi Alex, I know of two tools presently available that enables you to control the NXT with C#: (...) (19 years ago, 5-Dec-06, to lugnet.robotics)
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| | Re: NXT with C#
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(...) I'm just starting out with the NXT, myself, but it should be a straightforward process to wrap the (URL) fantom SDK library> as either a DLL or an ActiveX control. I've got about three other programming projects going on at the moment, but (...) (19 years ago, 4-Dec-06, to lugnet.robotics, FTX)
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| | NXT with C#
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Hi All, Is there any COM object or DLL that I can use to access NXT unit with C#? Alex (19 years ago, 4-Dec-06, to lugnet.robotics)
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| | Re: rate gyro
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(...) Have you checked out any of the gyro sensors @ www.sparkfun.com ? (19 years ago, 25-Nov-06, to lugnet.robotics)
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| | Re: rate gyro
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does anyone know of a single-axis rate gyro that would be easy to hook up to either classic mindstorms or NXT? (...) ___...___ (...) ___...___ Want to start your own business? Learn how on Yahoo! Small Business. (URL) (19 years ago, 25-Nov-06, to lugnet.robotics)
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| | Re: USB Tpwer Problem
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(...) John, Thanks for your reply. Your suggestion was the first thing I did. We just found the problem with RCX. It was due to students adding sound to the robot with the line MuteSound(). It was one of the programs I used for testing. So when the (...) (19 years ago, 25-Nov-06, to lugnet.robotics)
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| | Re: USB Tpwer Problem
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(...) Alex, It sounds like you may be having battery issues. Have you tried with a fresh set? Can you email me more details about what you've tried and the errors that you are getting? John Hansen (19 years ago, 25-Nov-06, to lugnet.robotics)
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| | Re: iCommand 0.5 Setup/Test Problem
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(...) A lot of people try to establish the connection between their PC and the NXT first, resulting in <> on the LCD before they even run an iCommand program. This results in the connection being busy and iCommand can't communicate. I suspect this (...) (19 years ago, 24-Nov-06, to lugnet.robotics)
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| | Re: GCC toolchain available for NXT
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(...) Hi, I have set up a gcc-based toolchain for the Atmega48 AVR on the NXT brick in addition to my arm-elf toolchain announced earlier. See (URL) for an initial description of setting up avr-gcc and for the initial changes needed in the source (...) (19 years ago, 24-Nov-06, to lugnet.robotics)
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| | USB Tpwer Problem
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Hi, I am experiencing stareang things with my USB Towe connected with RIS 2.0. I use NQC with BricxCC for programming. I haven;t change Bricxx version for last 6 - 8 months. It works fine till couple of days ago and I was unable to load programs. I (...) (19 years ago, 24-Nov-06, to lugnet.robotics)
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| | USB Tower Problem
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Hi, I am experiencing stareang things with my USB Tower connected with RIS 2.0. I use NQC with BricxCC for programming. I haven;t change Bricxx version for last 6 - 8 months. It works fine till couple of days ago and I was unable to load programs. I (...) (19 years ago, 24-Nov-06, to lugnet.robotics)
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| | Re: BricxCC news
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John, THANK YOU so much for this. I cant wait to have a few minuites to myself (sans wife/kids/work) so I can download and play. if I grok your C code fragments for NXT via BrickCC, then I just might have a programmed robot yet. Thank you for your (...) (19 years ago, 24-Nov-06, to lugnet.robotics)
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| | Re: NXT trike
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(...) Ha ha, that is a valid point. I don't THINK it will be a problem (there I go, thinking again), The angle of the pictures makes it a little questionable, but if I remember the specs I saw on the US sensor, I don't think the area of sensitivity (...) (19 years ago, 22-Nov-06, to lugnet.robotics)
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| | Re: NXT trike
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(...) That is pretty sleek! I can't believe I don't have two of these yet. (Come to think of it, I don't even have one yet.) But if you activated the ultrasonic sensor, it would probably tell the NXT "watch out, there's a BIG TIRE right in front of (...) (19 years ago, 22-Nov-06, to lugnet.robotics)
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| | NXT trike
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Here's a quick project I've been playing with. It is a NXT trike built around the NXT and the large power puller wheels. It is controlled remotely from another NXT via bluetooth. Not much else to say, check out the pictures on NXTlog here: (URL) I (...) (19 years ago, 22-Nov-06, to lugnet.robotics)
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| | BricxCC news
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I recently updated the test release of BricxCC with additional support for the NXT. In conjunction with the latest beta of NBC you can now write programs that target the standard NXT firmware in three different text-based programming languages. NBC (...) (19 years ago, 21-Nov-06, to lugnet.robotics)
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| | Re: Extra NXT sensors?
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Oops... -1 to me for lack of 'STFW'... Thanks Tony, Nick (...) (19 years ago, 20-Nov-06, to lugnet.robotics)
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| | Re: Extra NXT sensors?
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(...) Have you checked Lego's online shop? They are available for most regions. (URL) expect they are stocked in Lego Shops too, but there are none near me. Regards, Tony Naggs (19 years ago, 20-Nov-06, to lugnet.robotics)
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| | Extra NXT sensors?
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Hi, Anyone know where I can get extra NXT sensors? (I'm still slightly surprised that there's only one touch sensor supplied with the kit!) PS I have found that building a compact 2 wheel + castor NXT robot is harder than it looks! :-) (19 years ago, 20-Nov-06, to lugnet.robotics)
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| | Re: iCommand 0.5 Setup/Test Problem
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Ok so today I just tried again (did nothing differently) and it all worked fine - cool! Connected PC to NXT, then ran the test prog from Eclipse and I was driving the NXT around the floor 5 seconds later. I suspect my problem was something to do (...) (19 years ago, 19-Nov-06, to lugnet.robotics)
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| | RE: Re: Cool link
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I am also impressed by the site. I very much enjoy the effort expended to document the work with a variety of prepared computer-graphics, photos, screen-shots and excellent technical explanations of the both the overview of the current (...) (19 years ago, 18-Nov-06, to lugnet.robotics)
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| | Re: Cool link
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In article <J8tLEE.oC2@lugnet.com>, Claude Baumann <cbaumann@ci.educ.lu> writes (...) Why? What is there that I should be looking for? (...) Every email & news posting titled "cool link" says this. Maybe it is a newly discovered law of physics. (...) (19 years ago, 18-Nov-06, to lugnet.robotics)
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| | Re: Re: Cool link
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(...) /snip I'm not sure that I get this. I am talking of a site with very cool contents and normally I disregard cosmetic things. I would like to hear comments or questions on the contents of this web-site. I personnally saw the robot-arm working. (...) (19 years ago, 18-Nov-06, to lugnet.robotics)
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| | RE: Re: Cool link
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Just be thankful it doesn't say "B E A T M I C H I G A N !" -----Original Message----- From: news [mailto:news@sea.gmane.org] On Behalf Of Juergen Stuber Sent: Saturday, November 18, 2006 7:14 AM To: lego-robotics@crynwr.com Subject: Re: Cool link (...) (19 years ago, 18-Nov-06, to lugnet.robotics)
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| | Re: Cool link
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(...) That scrolling text is unbearably annoying. Because it is in the middle of the page I can't even scroll it out of view, the stop button doesn't work either, so the only solution is to click the page away. Jürgen (19 years ago, 18-Nov-06, to lugnet.robotics)
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| | iCommand 0.5 Setup/Test Problem
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Hi, Just trying out iCommand 0.5, following the instructions in the README file. Have done all steps (except the step "In Eclipse, select the RXTXcomm.jar you just added and expand it by clicking +..." as I can't see how you can expand a jar and (...) (19 years ago, 17-Nov-06, to lugnet.robotics)
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| | Re: Cool link
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(...) What's the issue? With Windows Explorer and Firefox no problem. (19 years ago, 17-Nov-06, to lugnet.robotics)
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| | Support for Robolab 2.5.4 on Intel iMac
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I am a LEGO Robolab Mentor. The PC adminstrator installing Robolab on new Intel-based iMacs is having an issue with version 2.5.4. The main splash screen locks up. Has anyone seen this issue and is there a solution? Is using the 2.9 software the (...) (19 years ago, 17-Nov-06, to lugnet.robotics)
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| | Re: Cool link
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(...) It's unusable due to moving text in the middle of the page. Jürgen (19 years ago, 16-Nov-06, to lugnet.robotics)
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| | Cool link
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please check Laurent's web-site: www.laurentkneip.de Absolutely amazing. (19 years ago, 16-Nov-06, to lugnet.robotics)
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| | Re: NXT firmware?
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(...) Hmm, then how would all of the MDP participants have upgraded their bricks? (I'm operating under the -- possibly faulty -- assumption that the bricks shipped out as a part of this program were running pre-release firmware.) Or did they all go (...) (19 years ago, 16-Nov-06, to lugnet.robotics)
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| | Re: NXT firmware?
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Hi Dick, (...) is SAMBA available when a LEGO firmware is flashed? If you first have to do a long reset to activate SAMBA then that will wipe the first few kilobytes of flash, so the image will be incomplete and useless. (...) I second that. (...) (19 years ago, 15-Nov-06, to lugnet.robotics)
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| | GCC toolchain available for NXT
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Hi, I have modified the NXT firmware source to work with gcc, and also set up the make file. Pls. read on if you are interested... NXT can be programmed with a gcc toolchain (Lego uses IAR). The gcc toolchain setup description I have made is (...) (19 years ago, 15-Nov-06, to lugnet.robotics)
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| | RE: NXT firmware?
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I think you'll be happy with simply upgrading to 1.03. You may be ultra-conservative in wanting to back up 1.01. I don't have a copy of 1.01 but here's what you can do to create your own image. It will require some effort on your part. Go to (...) (19 years ago, 15-Nov-06, to lugnet.robotics)
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| | Re: NXT firmware?
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(...) Nathan, Unfortunately, I don't think V1.01 was ever posted anywhere for public distribution. I know V1.03 includes some fixes for the I2C used by 3rd party sensors. Steve (19 years ago, 15-Nov-06, to lugnet.robotics)
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| | NXT firmware?
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All, I am the brand new owner (wellll, by proxy...it's officially for a rookie FLL team which I am coaching :-) ) of an NXT. Because of my penchant for reading about and wanting to know as much about any new toy I get as possible, I have been (...) (19 years ago, 14-Nov-06, to lugnet.robotics)
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| | control lab up for grabs 9751 pc serial interface b
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Hello, In Case you ever wanted a control lab 9751 pc serial interface b I'm selling mine and it includes everything you need to get started. It has 8 inputs and 8 outputs 1 constant power. link (URL) See my other auctions for some othe technic & (...) (19 years ago, 14-Nov-06, to lugnet.market.auction, lugnet.robotics)
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| | Re: YAL, Yet Another LegWay
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(...) Whaoooo! impressive!!! Philo (19 years ago, 12-Nov-06, to lugnet.robotics, FTX)
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| | Re: YAL, Yet Another LegWay
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(...) (19 years ago, 12-Nov-06, to lugnet.robotics, FTX)
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| | Re: NXT What Programming Languages + Open source?
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A few corrections/updates to my original post atnews:000501c701ed$...desktop... I was wrong in stating BricxCC does not support reading of all three NXT motor encoders. My comment was based on the BRicxCC "Wathcing the brick window; this is a legacy (...) (19 years ago, 10-Nov-06, to lugnet.robotics)
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| | Re: Ada on NXT
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(...) Given the CPU power and hardware of the NXT, I see no reason why, say, the GNU ADA compiler couldn't be ported directly to output ARM assembler to run directly on the NXT (and then be used via a replacement firmware along with GCC, G++ etc) (19 years ago, 8-Nov-06, to lugnet.robotics)
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| | Ada on NXT
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On the RCX there was an Ada implementation, which worked by translating Ada to NQC. Does anyone know if there are any plans to make Ada available on NXT, perhaps in a similar manner? Thanks Andrew (19 years ago, 7-Nov-06, to lugnet.robotics)
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| | RE: NXT What Programming Languages + Open source?
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This is in reply to the post by John Hansen on Wednesday, November 01. It's difficult to compare the end user value of an assembler language programming environment (NBC) vs a high level C programming language like Robot C. There are several (...) (19 years ago, 6-Nov-06, to lugnet.robotics)
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| | Re: NXT What Programming Languages + Open source?
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(...) Hi Nick, You can control the NXT over Bluetooth using Java with iCommand: www.lejos.org We are working on a full blown JVM for replacement firmware on the NXT. - Brian (19 years ago, 2-Nov-06, to lugnet.robotics)
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| | Re: Problem with rcx communication
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(...) 1. If you can no longer download the original firmware with RIS software: a. First check your tower with another RCX. b. If the tower isn't the problem, than it seems that your IR-channel has suffered! 2. The RCX normally shuts down with weak (...) (19 years ago, 2-Nov-06, to lugnet.robotics)
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| | Re: NXT What Programming Languages + Open source?
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(...) That's why I qualified it by saying "as long as they provide quality solutions with useful features, and good support". Yes, RobotC has a way to go before it gets to the commercially acceptable stage, but that doesn't mean it won't. And (...) (19 years ago, 2-Nov-06, to lugnet.robotics)
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| | Re: Open source?
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(...) ROTFLOL! John Hansen (19 years ago, 2-Nov-06, to lugnet.robotics)
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| | Re: NXT What Programming Languages + Open source?
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Ross, Have you been able to reproduce this under Cygwin? I tried about six months ago but kept hitting some errors in building the toolchain. I used a variety of build scripts, even trying to reproduce the GNU ARM toolchain but with very similar (...) (19 years ago, 2-Nov-06, to lugnet.robotics)
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| | Re: Open source?
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(...) Who cares? Years ago, we saw many IDEs for the RCX come and go. I suspect for most people, it was a chance to play with programming and LEGO at the same time. A challenge to one's self to see if it "can be done". I doubt any of these were (...) (19 years ago, 2-Nov-06, to lugnet.robotics)
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| | Re: NXT What Programming Languages + Open source?
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(...) I am not wishing that they fade into obscurity. I just will be extremely surprised if they don't. Already a single not very bright individual with no monetary funds, working in his spare time has produced an open source IDE that is 10-times (...) (19 years ago, 2-Nov-06, to lugnet.robotics)
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| | Re: NXT What Programming Languages + Open source?
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Nick, Sorry for being late, but before you spend your money it might be useful to have a look at the list of available programming environments for the NXT listed at (URL) should be pretty complete and I tried most of them with a real task for a (...) (19 years ago, 2-Nov-06, to lugnet.robotics)
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| | Re: NXT What Programming Languages + Open source?
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Thanks for info and all replies - looks like there are a few options, and stuff in the pipeline! Now I get to spend my hard earned cash! Cheers Nick (...) (19 years ago, 2-Nov-06, to lugnet.robotics)
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| | Re: NXT What Programming Languages + Open source?
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(...) Ross, I demonstrated a gcc toolchain at Brickfest this year, with a GDB stub running on the NXT and using GDB on a host PC through the USB cable. I was able to do a download and single step of a program to toggle the speaker port and generate (...) (19 years ago, 2-Nov-06, to lugnet.robotics)
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| | Re: NXT What Programming Languages + Open source?
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In article <7122549.post@talk.nabble.com>, Nick77 <lego- robotics@crynwr.com> writes (...) I have not looked at Lejos yet, (shame on me), but Brian Bagnall seems particularly active with this. There are new releases about once a month, with (...) (19 years ago, 1-Nov-06, to lugnet.robotics)
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| | Re: NXT What Programming Languages + Open source?
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(...) Not sure I agree with that sentiment - I think there will always be a place closed-source programming environments, as long as they provide quality solutions with useful features, and good support. Having said that, I'd love to see an (...) (19 years ago, 1-Nov-06, to lugnet.robotics)
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| | Re: NXT What Programming Languages + Open source?
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(...) currently available alternative on-brick programming solution. It could also be argued that NBC is the most highly preferred solution because it is available for Linux, Mac OSX, and Windows platforms. It is the only NXT on-brick programming (...) (19 years ago, 1-Nov-06, to lugnet.robotics)
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| | RE: NXT What Programming Languages + Open source?
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Thanks for the info. So if I want to program in Java, am I better off getting one of the RCX models and using something like Lejos? I'd be interested in what people think of the NXT / RCX comparison... Or I could try C but its been a while :-) (...) (19 years ago, 1-Nov-06, to lugnet.robotics)
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| | RE: NXT What Programming Languages + Open source?
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|
There are currently two alternative programming solutions for the NXT. NBC is a assembly language programming solution that is incorporated as part of the BricxCC development environment. It is open source. It uses the standard NXT firmware. See (...) (19 years ago, 1-Nov-06, to lugnet.robotics)
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| | NXT What Programming Languages + Open source?
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Hi, Thinking of getting the NXT kit, just wanted to know what programming languages / sdks are out there. I looked on the Lejos site, and it seems like they were thinking about porting for NXT but it seems to have gone quiet recently. Ideally I'd (...) (19 years ago, 1-Nov-06, to lugnet.robotics)
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| | RCX communication problem
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Dear Geoffrey, Thanks fr answering so fast. RCX version is 2. It was working fine until I uploaded the application. Tower and RCX communicate perfectly well. After running the application it stoped the communication. The rest seems to be working (...) (19 years ago, 1-Nov-06, to lugnet.robotics)
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| | Re: Problem with rcx communication
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|
"Rodrigo Santos" <lego-robotics@crynwr.com> wrote in message news:4548B36A.305080....edu.ar... (...) A couple of things to note here: 1. RCX original firmware had to have the batteries taken out to reset it. 2. You don't state what version of RCX (...) (19 years ago, 1-Nov-06, to lugnet.robotics)
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| | Problem with rcx communication
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|
I have uploaded a program based on ERIKA to the RCX. It didn't work properly as I have to take off the batteries to shut it down. When I tried to communicate with it again it seems that the IR is dead. Even if the rcx beeps and I can select the demo (...) (19 years ago, 1-Nov-06, to lugnet.robotics)
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| | Re: OLE automation object for brick communication
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(...) Never mind, I found it. It was in Project, Import Type Library.!. Thanks and sorry. Patrick (19 years ago, 30-Oct-06, to lugnet.robotics)
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| | Re: OLE automation object for brick communication
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(...) John, When I try to build the delphi example, it ask for "FakeSpiritLib_TLB.dcu". I have already registered the DLL, (the ".exe" function all right), but i cant compile new programs. I used to code with delphi some years ago, but now I can't (...) (19 years ago, 30-Oct-06, to lugnet.robotics)
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| | How to: BT dongle not supported work with NXT
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Hi people, After a lot of effort and googling around, i managed how to make a cheap "blue soleil" USB bluetooth dongle comunicate with NXT. I have information that this one was not supported, but with some "software adjustments", now it is working (...) (19 years ago, 30-Oct-06, to lugnet.robotics, lugnet.robotics.nxt)
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| | Re: NBC beta news
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(...) At the moment, the top secret password is to pass NBC a source code file with a .tny extension. That's likely to change in future betas. John Hansen (19 years ago, 30-Oct-06, to lugnet.robotics)
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| | Re: NBC beta news
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(...) Looks pretty cool, John. OK - so what is the password? Roger (19 years ago, 30-Oct-06, to lugnet.robotics)
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| | Re: NXT compatible bluetooth adapters
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(...) Hi, I have a Kensington Bluetooth USB Adapter 2.0, model 33348. I installed the software that came with the adaptor and I verified that the driver installed was version 4.0.1.2400. I am able to establish a connection from the NXT to the PC as (...) (19 years ago, 27-Oct-06, to lugnet.robotics)
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| | Re: LCD image editor for the NXT -- at LEGO Engineering.com
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|
(...) If your site is hosted on Apache and .htaccess files are allowed you can create a redirect for the link: Redirect permanent /tools/NXTRICedit/nx...ICedit.zip (URL) Engineering should be able to give proper credit for the program, and maybe (...) (19 years ago, 23-Oct-06, to lugnet.robotics, FTX)
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| | Re: LCD image editor for the NXT -- at LEGO Engineering.com
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Merredith and all, Since June, Andreas' editor has been originally hosted on my page ((URL) by his request then. Hence I have been pretty surprised to find it hosted on legoengineering.com also some weeks ago, without any hint to my page and, even (...) (19 years ago, 23-Oct-06, to lugnet.robotics)
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| | Re: LCD image editor for the NXT -- at LEGO Engineering.com
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(...) Just to give credit where credit is due.... The LCD editor was contributed to the site by one of the MDPs. It was passed on to us by LEGO Ed so we are missing the original author. But we will definitely find the original author to give proper (...) (19 years ago, 21-Oct-06, to lugnet.robotics)
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| | Re: Bluetooth and windows 2000
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Hi Patrick, (...) It took me a while to find a working BT dongle working with W2000 and NXT, but the Belkin F8T013 does the job. The cheap "Blue Soleil" adaptor I tried before does not work. Philo (19 years ago, 21-Oct-06, to lugnet.robotics, lugnet.robotics.nxt)
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| | Re: Bluetooth and windows 2000
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Hi Patrick, (...) It took me a while to find a working BT dongle working with W2000 and NXT, but the Belkin F8T013 does the job. Philo (19 years ago, 21-Oct-06, to lugnet.robotics, lugnet.robotics.nxt)
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| | Bluetooth and windows 2000
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Hi, I am using the Lego software with Windows 2000, and there is OK, I had no problem either on installation or using it. But before I buy a bluetooth dongle, i want to know if anybody is using bluetooth with windows 2000, or if it is impossible at (...) (19 years ago, 21-Oct-06, to lugnet.robotics, lugnet.robotics.nxt)
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| | LCD image editor for the NXT -- at LEGO Engineering.com
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I just found out about this website, a partnership between LEGO and Tufts University's Center for Engineering Educational Outreach: (URL) Of special interest is their LCD image editor application for the NXT (Windows only), found here: (URL) (19 years ago, 21-Oct-06, to lugnet.robotics.nxt, lugnet.robotics, FTX)
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| | Re: Defective Ultrasonic sensor - Please Help
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(...) Thanks to everyone who helped me with this issue. Special thanks to Philo who pointed the right direction to open the US Sensor. Now it's fixed and working all right. Finaly I got an answer from Lego support, but they told me there could be a (...) (19 years ago, 20-Oct-06, to lugnet.robotics, lugnet.robotics.nxt)
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| | Re: Defective Ultrasonic sensor - Please Help
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In article <J7AuCz.GsB@lugnet.com>, Patrick Levy <patrick@omiccron.com.br> writes (...) Interesting, it did not seem easy to do, and as Lego have published the circuit diagram I lost interest in doing so. For the circuit information see the Hardware (...) (19 years ago, 19-Oct-06, to lugnet.robotics, lugnet.robotics.nxt)
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| | Defective Ultrasonic sensor - Please Help
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I decide to start a new subject for this, because I just figured out the problem with my US sensor. Thanks to Philo advice, i did easily open the sensor and I found this broken wire connection. So, when I connect this wire in the place it seems to (...) (19 years ago, 17-Oct-06, to lugnet.robotics, lugnet.robotics.nxt)
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| | Re: Hi
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In article <200610160848.AA1377...v-ed.com>, Yudi Mintoro <lego-robotics@crynwr.com> writes (...) Hi Yudi (...) The conversion cables are available, at least in some regions, here; (URL) think the sensors will all work from the NXT. From NXT-G (...) (19 years ago, 17-Oct-06, to lugnet.robotics)
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| | Hi
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Thanks Tony, So if I have the retail one, it can't connecting with old RCX or old motor? Because I have mindstorm 9794/invention. What's the solution now, if I want to connect that old one with NXT? Thanks Yudi ___...___ $0 Web Hosting with up to (...) (19 years ago, 16-Oct-06, to lugnet.robotics)
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| | Re: Ultrasonic Distance measurement
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(...) Great news! Thanks, Stef! Philo (19 years ago, 16-Oct-06, to lugnet.robotics)
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| | Re: Hi
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In article <200610152232.AA1074...v-ed.com>, Yudi Mintoro <lego- robotics@crynwr.com> writes (...) Hi Yudi (...) Various things are different: 1. The selection of parts is a little different. The Educational version includes Technic lamps and (...) (19 years ago, 16-Oct-06, to lugnet.robotics)
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| | Hi
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Hi everybody, Can you explain me waht the difference between NXT education and NXT retail? Thanks Yudi ___...___ $0 Web Hosting with up to 200MB web space, 1000 MB Transfer 10 Personalized POP and Web E-mail Accounts, and much more. Signup at (...) (19 years ago, 16-Oct-06, to lugnet.robotics)
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| | Two FLL NXT sets for sale
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This doesn't seem to be posting. Apologies if it posts twice. I have two FLL NXT robot kits for sale. They originally cost $280/set. For each set, I bought an extra rechargeable battery ($50) and light sensor ($17). These sets are brand-new and have (...) (19 years ago, 16-Oct-06, to lugnet.robotics)
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| | Re: Ultrasonic Distance measurement
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In article <J76vK1.Gpn@lugnet.com>, Stef Mientki <s.mientki@mailbox.kun.nl> writes (...) That is a great site, that I had not found before. Dank u wei. Cheers, Tony (19 years ago, 15-Oct-06, to lugnet.robotics)
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| | Re: NXT with 'RCX' rotation sensor
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(...) Just now I noticed that the answer has been changed: 'beginning of August' is changed in 'later this fall'. There is still hope I guess. :) Eric. (19 years ago, 15-Oct-06, to lugnet.robotics)
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| | Re: Ultrasonic Distance measurement
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(...) hi Philipe, while I had too little webspace, and my kids are getting too old (so no more new Lego developments), I had to remove the site. But here it is again: (URL) fun, Stef (19 years ago, 15-Oct-06, to lugnet.robotics)
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| | Re: NXT Ultrasonic reporting wrong values
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(...) What I discover just now: If I press the light gray conector case behind the sensor case with my nail, it will report the correct values!! but when I release, it stop working again. It seems to be a bad contact inside the sensor. How can I fix (...) (19 years ago, 15-Oct-06, to lugnet.robotics, lugnet.robotics.nxt)
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| | Re: NXT Ultrasonic reporting wrong values
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(...) Yes, "stationary" is the correct word... The problem that i bought this one in UK, but i live in Brazil. No one here have this set (Actualy, i don´t know anybody who plays with LEGO mindstorms also...) With BrickxCC watching this sensor I get (...) (19 years ago, 15-Oct-06, to lugnet.robotics, lugnet.robotics.nxt)
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| | Re: NXT Ultrasonic reporting wrong values
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(...) I'm not sure what you mean by "completely stopped" - stationary? I suppose it's possible that you actually have a bad US sensor. If you can find someone with a working one, try swapping sensors with them and see if the problem is isolated to (...) (19 years ago, 15-Oct-06, to lugnet.robotics, lugnet.robotics.nxt)
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| | NXT Ultrasonic reporting wrong values
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A just get my NXT, and everything works fine, but the ultrasonic sensor is not reporting correct values. No matter what distance or direction it is pointed, the readings changes quickly from 1 to 3 inches (3 to 7 cm) even if the sensor is completely (...) (19 years ago, 15-Oct-06, to lugnet.robotics, lugnet.robotics.nxt)
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| | Re: Ultrasonic Distance measurement
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(...) the (...) and (...) I've used the following circuit with 40SQR (which, I presume, is the same thing). 5V ,----R------, | | 1M | | | | R 47k | |\ | ,-----, | | | \ | | *---...---÷-----*--*- \ | | | | | >----*--- |40SQR| *--------*+ / | | | | / (...) (19 years ago, 14-Oct-06, to lugnet.robotics)
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| | Re: Ultrasonic Distance measurement
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(...) Sorry for the thread hijacking, but... Stef, where are your wonderful Lego sensor hardware pages? I can no longer find them on the web! I'm missing them, and probably a lot of people too! Philo (19 years ago, 14-Oct-06, to lugnet.robotics)
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| | Re: Ultrasonic Distance measurement
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(...) What kind of receiver amplifier do you use, these received signals are very-very small. see for example this: (URL) (19 years ago, 14-Oct-06, to lugnet.robotics)
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| | RE: NXT Ultrasonic sensor / Retreiving 8 OBjects at Once
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(...) aww yes , my bad ... 60 ms it is . (19 years ago, 13-Oct-06, to lugnet.robotics)
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| | RE: NXT Ultrasonic sensor / Retreiving 8 OBjects at Once
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Did you mean 60 ms and not 6? The jpg seems to indicate 60. -----Original Message----- From: news-gateway@lugnet.com [mailto:news-gateway...ugnet.com] On Behalf Of bk227865 Sent: Friday, October 13, 2006 4:40 AM To: lugnet.robotics@lugnet.com (...) (19 years ago, 13-Oct-06, to lugnet.robotics)
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