 | | Re: HiTechnic Compass Sensor Problems
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(...) There is a problem with v1.01 of the LEGO firmware. You must have either V1.03 or V1.04. (I had that problem, also) The compass works fine with the newer firmware. It does say that on the HiTechnic web site, but it's not very obvious. Steve (19 years ago, 10-Jan-07, to lugnet.robotics.nxt)
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| | HiTechnic Compass Sensor Problems
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If anyone is having trouble with the HiTechnic Compass Sensor you would not be the only one. I could not get it to work no matter what I tried. Before contacting Lego I checked for new updates and remembered the firmware 1.04 that I never did it (...) (19 years ago, 10-Jan-07, to lugnet.robotics.nxt)
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| | Not eXactly C beta news (NBC)
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I have released a new beta (b21) of NBC with built-in support for the Not eXactly C (NXC) programming language. The sourcecode and the Win32 binary are already up on the NBC website. The Mac OSX binary and Linux binary will be up later this evening. (...) (19 years ago, 9-Jan-07, to lugnet.robotics)
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| | Re: Drive types
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(...) The presence of both opcodes comes from the early days of NBC when I was trying to understand the executable file format (before the days of documentation) and I knew that in the NXT-G compiler a clump had both upstream and downstream (...) (19 years ago, 9-Jan-07, to lugnet.robotics)
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| | Re: Drive types
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(...) Thanks John - quite clear now. Though I still don't understand why there are 2 different opcodes that can be used for more or less the same thing??? Philo (19 years ago, 9-Jan-07, to lugnet.robotics)
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| | Re: Drive types
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(...) linxt - (URL) - (URL) are others that I have heard about but can't find links for (or recall the names of) at the moment. My nexttool utility runs on Mac OSX and on Linux and it can do all kinds of cool things but it is built on top of libusb (...) (19 years ago, 9-Jan-07, to lugnet.robotics)
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| | Re: Drive types
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(...) Ok, I'll bite: which external tools work well on OS X and Linux? Thanks, -Tim (19 years ago, 9-Jan-07, to lugnet.robotics)
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| | Re: Drive types
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(...) Whoops. The duration values in each of the PlayTone calls should be 400 rather than 40. John Hansen (19 years ago, 9-Jan-07, to lugnet.robotics)
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| | Re: Drive types
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(...) Here is a simple multi-threaded NQC program: task music() { while (true) { PlayTone(262,40); Wait(50); PlayTone(294,40); Wait(50); PlayTone(330,40); Wait(50); PlayTone(294,40); Wait(50); } } task main() { start music; while(true) { (...) (19 years ago, 9-Jan-07, to lugnet.robotics)
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| | Re: Drive types
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(...) Hello John, Could you comment a little the use of Precedes/Follows for task switching? I have trouble figuring when to use one or the other (or both?) Thanks in advance, Philo (19 years ago, 9-Jan-07, to lugnet.robotics)
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| | Re: Drive types
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(...) NXC is something like NQC and it is available for Windows, Mac OS X, and Linux platforms. While NXC is not yet complete, it is very functional with a large API for the NXT. Not eXactly C (NXC) is currently available in the form of NBC beta 20. (...) (19 years ago, 8-Jan-07, to lugnet.robotics)
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| | ReMix of LEGO NXT Starter Robot
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Hi All, I've just posted an entry on my blog (URL) on a ReMix project using the LEGO NXT Starter Robot kit. I'm creating a PoC (Proof Of Concept) bot that can measure distances using a "STRAIT LINE" eRolling Tape. To see the PoC "Measurebot!" device (...) (19 years ago, 8-Jan-07, to lugnet.robotics.nxt)
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| | Re: Improving the firmware?
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(...) I second this. I know there are several people working on revised firmware, though I suspect they all started quite a while ago through the developer programme. I've got experience of developing for embedded systems and can make some sense of (...) (19 years ago, 8-Jan-07, to lugnet.robotics.nxt)
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| | Re: Drive types
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In lugnet.robotics, Kevin L. Clague wrote: (...) Yes; besides the ones I've personally seen, there are a bunch of them listed on NXTlog. It seems that style of robot is fairly popular. (...) No it doesn't. One solution that works pretty well is just (...) (19 years ago, 8-Jan-07, to lugnet.robotics)
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| | Re: Improving the firmware?
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In article <JBFwGp.30p@lugnet.com>, Guy Ziv <guy@nxtasy.org> writes (...) I would like to be able to rebuild the firmware & experiment with it before I get too ambitious. Has anybody fixed up the code to build with the gcc tools and made it (...) (19 years ago, 8-Jan-07, to lugnet.robotics.nxt)
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| | Re: Drive types
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(...) Hi Jonathon, It is possible to build a differential using the NXT parts. It is a bit big, but I have seen it done. I've not used this to make a car, but in general, I don't find three or more wheels interesting. Go for it. It is quite possible (...) (19 years ago, 8-Jan-07, to lugnet.robotics)
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| | Drive types
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Hello, I'm just getting started with NXT and was wondering if anyone has successfully built a car-type robot. By this I mean a robot that uses one motor to drive the rear wheels and one motor to operate the front steering. The NXT kit does not (...) (19 years ago, 8-Jan-07, to lugnet.robotics)
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| | Re: Improving the firmware?
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(...) These would be very nice to have, but they cannot be integrated into NXT-G unless you modify the compiler (which we can't!). NBC/NXC can benefit from such improvements, of course. I think there are many improvements which WOULD make a (...) (19 years ago, 7-Jan-07, to lugnet.robotics.nxt)
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| | Re: Improving the firmware?
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Hi all, I doubt this will go through, as I've never been able to post anything to this group yet... I know that the group of us working on the Transterpreter[1] are actively interested in collaborating on such an effort. While the kinds of (...) (19 years ago, 7-Jan-07, to lugnet.robotics.nxt)
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| | Re: Connect BT devices to the NXT without a passkey?
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In article <025201c73045$8574a7...kdesktop>, Dick Swan <dickswan@sbcglobal.net> writes (...) This is true. (...) The pre-approved Bluetooth low level stack is proprietary to CSR. The code that runs in CSR's Virtual Machine to implement the serial (...) (19 years ago, 7-Jan-07, to lugnet.robotics.nxt)
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