 | | 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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| | Connect BT devices to the NXT without a passkey?
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Is it possible to connect BT devices to an NXT without using a passkey? The device I'm trying to use (a Nintendo Wii remote) doesn't use passkeys, AFAIK, since when I connect it to my PC I skip the pairing process. (18 years ago, 28-Dec-06, to lugnet.robotics.nxt, lugnet.robotics)
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| | Seymour Papert - Status
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All, In some unrelated correspondence, I received news that Dr. Papert was badly injured in Hanoi: (URL) Many of you know that Dr. Papert coined the term Mindstorms and was a key player in the early development of what became the RCX at MIT. I'm (...) (18 years ago, 27-Dec-06, to lugnet.robotics)
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| | Re: NXT compatible bluetooth adapters
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(...) Unfortunately, I've got a dongle with Widcomm 5.1.0.1100 software. I need it for devices not supoorted by Win XP SP2 so I can't really go back. I assume that it the PC connects to the brick using the simple serial port profile (SPP) - Is this (...) (18 years ago, 26-Dec-06, to lugnet.robotics)
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| | Re: Bluetooth and windows 2000
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I am using a Compaq (HP) nc8000 laptop which has a built-in BT device and it works fine with Windows 2000, so BT should be OK on W2K (with the right device). "Patrick Levy" <patrick@omiccron.com.br> wrote in message news:J7HJJI.6x3@lugnet.com... (...) (18 years ago, 24-Dec-06, to lugnet.robotics, lugnet.robotics.nxt)
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| | Re: and the sine & cosine functions for the NXT
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(...) As explained on our pages, I am using CORDIC algorithm. This assures best accuracy and converges much more rapidly than Taylor. There is one trade-off though, because there is no bit shifting operation in the toolkit, I must do division (...) (18 years ago, 23-Dec-06, to lugnet.robotics)
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