 | | NXT Synchro Drive
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I have been playing with the turntable from the NXT kit to try and build a synchro drive train. It got a bit complicated but it works. I posted a video at my blog: (URL) mindstorms-nxt-synchro-drive/ or just: (URL) Fun! Rich (18 years ago, 7-Dec-06, to lugnet.robotics)
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| | Image processing with RCX
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Hello, I wanna use a camera to understand path while robot is moving. But i don't know how to do this? I think there is a camera in lego. But is RCX enough to process these datas or i need to connect camera to computer? And are there anyone try this (...) (18 years ago, 7-Dec-06, to lugnet.robotics)
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| | Re: Copy the Tyco "terrain Twister" screw drive?
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(...) [...] (...) Well, there is this piece: (URL) this set: (URL) even if you have an old Rock Raiders set sitting around (and why would you?), you'd be wearing off all that nice chrome if you used it. Not to mention that, if I recall correctly, it (...) (18 years ago, 6-Dec-06, to lugnet.org.ca.rtltoronto, lugnet.robotics)
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| | Re: Copy the Tyco "terrain Twister" screw drive?
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I think the flex tube is a good idea. I would use the 4x4 round brick with holes (peeron part #6222) spaced on an axle to make build the supporting framework. Attach some Angle connector #1 (peeron part 32013) to the holes on the circumference of (...) (18 years ago, 6-Dec-06, to lugnet.org.ca.rtltoronto, lugnet.robotics)
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| | Re: Copy the Tyco "terrain Twister" screw drive?
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(...) I remember this toy! Wow, Tyco must be where old molds never die. (...) I don't know of any pieces which would fit the shape, but then of course, I'm really not as up on my piece knowledge anymore. There doesn't seem to be a "worm segment" (...) (18 years ago, 6-Dec-06, to lugnet.org.ca.rtltoronto, lugnet.robotics)
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| | Copy the Tyco "terrain Twister" screw drive?
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I saw the Tyco "Terrain Twister" (URL) on TV and was intrigued by the drive mechanism. It looks like it uses two counter-rotating screws/augers to move it forward on bad surfaces like sand or snow. I found a couple other references on the web: The (...) (18 years ago, 6-Dec-06, to lugnet.org.ca.rtltoronto, lugnet.robotics)
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| | Re: NQC programming guide
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Thanks for the link. As for which programming language to learn, I'm sure C (or C related) is a perfect choice. For one, as you say NQC is C based. Secondly, learning C should give me a better insight in some of the things that happen in my Linux (...) (18 years ago, 6-Dec-06, to lugnet.robotics)
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| | Re: NQC programming guide
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(...) Because there is an additional relationship established between the array elements, namely that of succession. Five variable names would not have such a property. Now go and read a book on computer programming, please. ++L (18 years ago, 6-Dec-06, to lugnet.robotics)
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| | Re: NQC programming guide
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(...) If you want to perform the same operation (or sum) on multiple variables, you can use a loop. As long as you use the same variable that controls the loop to control the array, then each successive iteration through the loop will perform the (...) (18 years ago, 5-Dec-06, to lugnet.robotics)
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| | Re: NQC programming guide
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(...) You'll know when you need it, probably. (...) It's a style thing. (...) There are a number of 'Beginner's Guide to C' style books, buy one. :-) (18 years ago, 5-Dec-06, to lugnet.robotics)
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| | 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 (...) (18 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.) (...) (18 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 (...) (18 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 (...) (18 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#: (...) (18 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 (...) (18 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 (18 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 ? (18 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) (18 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 (...) (18 years ago, 25-Nov-06, to lugnet.robotics)
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