 | | What do these macros do?
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I've been poking around with my NXT, and as usual I've decided to bite off more than I can chew. In trying to discover a way to *unset* pixels on the display without wiping the whole thing, I've been sifting through some of the less-discussed macros (...) (18 years ago, 11-Jan-07, to lugnet.robotics.nxt, lugnet.robotics)
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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. (...) (18 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 (...) (18 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 (18 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 (...) (18 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 (18 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 (18 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) { (...) (18 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 (18 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. (...) (18 years ago, 8-Jan-07, to lugnet.robotics)
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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 (...) (18 years ago, 8-Jan-07, to lugnet.robotics)
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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 (...) (18 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 (...) (18 years ago, 8-Jan-07, to lugnet.robotics)
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| | Re: Mindstorms fabrication/manufacturing line...
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(...) this shows her what obsessive really is. Amazing. (18 years ago, 5-Jan-07, to lugnet.robotics)
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| | Re: Mindstorms fabrication/manufacturing line...
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(...) That machine is ingenious. I like the way he has his RCX bricks communicating by traveling along with the assembly line. I also like the frame he made to hold the wheels while the body was pushed onto them. Brilliant. (...) This reply is (...) (18 years ago, 5-Jan-07, to lugnet.org.ca.rtltoronto, lugnet.robotics, lugnet.robotics.rcx, lugnet.technic)
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| | Re: Line Follower
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(...) Thanks Steve! It's perfect. I will use it in one of the NXT robots. But now, part of this project is to show some comunications between two robots, (and the other one is a RCX driven. It will also follow a line). I saw some time ago a small (...) (18 years ago, 3-Jan-07, to lugnet.robotics.nxt, lugnet.robotics)
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| | Re: straight line differential drive code
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(...) I built a project to do just what you want. In a tracked vehicle I have each track driven by a separate motor and each also drives one side of a 'differential' but in opposite directions. If both motors run exactly the same speed the sum is (...) (18 years ago, 2-Jan-07, to lugnet.robotics)
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| | Re: straight line differential drive code
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(...) Just one rotation sensor. The differential gives you the difference (hence the name) of the two sides. If it's zero, you're driving straight. A positive rotation means you are turning one way, and negative is the other. It's not pseudocode, (...) (18 years ago, 31-Dec-06, to lugnet.robotics)
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| | straight line differential drive code
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Does anyone have some RCX code to make a simple differential drive (2 independent motor/wheel combinations) with 2 rotation sensors drive straight. I'm sure it's been done many, many times before and I don't want to reinvent the wheel here. NQC or (...) (18 years ago, 31-Dec-06, to lugnet.robotics)
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| | straight line differential drive code
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Does anyone have some RCX code to make a simple differential drive (2 independent motor/wheel combinations) with 2 rotation sensors drive straight. I'm sure it's been done many, many times before and I don't want to reinvent the wheel here. NQC or (...) (18 years ago, 31-Dec-06, to lugnet.robotics)
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