 | | Re: NQC programming guide
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Interesting! I never knew all those languages were from the same 'family'. Being a 'natural' language teacher I can see how knowing one helps to learn another related one, and I also appreciate the need for practice, practice and more practice. So (...) (18 years ago, 7-Dec-06, to lugnet.robotics)
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| | Re: NXT Synchro Drive
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(...) Yes, I think the new capabilities of the NXT are going to give us all a new perspective on the challenges we've taken on in the past. (...) Cool! There are other benefits to synchro drive as well, I suppose, such as the ability to change (...) (18 years ago, 7-Dec-06, to lugnet.robotics)
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| | Re: NXT Synchro Drive
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(...) You are touching on the exact reason I am playing with the synchro drive platform. Previously, to maintain "sync" between the rotation of different wheels I had to use locked gearing or a chain. you can see examples here: (URL) (...) (18 years ago, 7-Dec-06, to lugnet.robotics)
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| | Re: Image processing with RCX
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"Chris Phillips" <drvegetable@comcast.net> wrote in message news:J9w4L2.GBu@lugnet.com... (...) I wonder how much more viable this camera would be if TLG looked into the possibility of outfitting it with something similar to BlueTooth? While the (...) (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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I remember seeing something like this made of lego a long time ago... I believe it was made with the flex tubes. Also, there's a GBC that uses an Arquimedian screw to lift the balls. I'm afraid I have no links to any of this things but maybe I've (...) (18 years ago, 7-Dec-06, to lugnet.robotics)
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| | Re: Image processing with RCX
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(...) No...I don't think you do. (...) The RCX has nowhere near enough memory to deal with images from cameras. The Lego camera connects to your PC through a cable - so it's not much use for mobile robots. The PC could do image processing and send (...) (18 years ago, 7-Nov-06, to lugnet.robotics)
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| | Re: NQC programming guide
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(...) This is probably the best advice I have *ever* seen given to someone who is just starting out trying to learn how to program. Spotlighted!! (18 years ago, 7-Dec-06, to lugnet.robotics)
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| | Re: NQC programming guide
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(...) Yep - that's definitely the case. Once you have learned one C-like language (and I'd describe JAVA, NQC, C++, Python, Pascal, JavaScript, PHP as 'sufficiently C-like') - it's quite easy to learn another. I needed to learn PHP for a project I (...) (18 years ago, 7-Nov-06, to lugnet.robotics)
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| | Re: NXT Synchro Drive
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(...) This looks pretty cool, and I can well respect any attempt to design a cool device out of LEGO, but I wonder how necessary something like this is with the NXT? It seems to me that the new servo motors with their integrated rotation sensors are (...) (18 years ago, 7-Dec-06, to lugnet.robotics, FTX)
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| | Re: Image processing with RCX
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(...) The LEGO camera is actually a Logitech USB camera, and cannot be interfaced directly with the RCX. It needs to be connected to a PC (or some other USB Host device) in order to operate. This restriction means that you probably need a PC (...) (18 years ago, 7-Dec-06, to lugnet.robotics, FTX)
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| | 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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