 | | RE: and the sine & cosine functions for the NXT
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Maybe a cheap sollution, but if I have to draw a sine or cosine I wouldn't calculated. Well, I will calculate it once and put it in a table. Then draw the sine & cosine from the calculated coordinates from the table. Really fast. And, euh, nobody (...) (18 years ago, 23-Dec-06, to lugnet.robotics)
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| | Re: and the sine & cosine functions for the NXT
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(...) I'm doing a project using trig, but I was going for computer control. I may be able to use this though. Steve (18 years ago, 22-Dec-06, to lugnet.robotics)
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| | Re: and the sine & cosine functions for the NXT
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(...) Well, I've already done that, as well as a nifty display meter, and some other stuff that depends on trig functions... but I did it all in NXT-G, without the toolbox: (URL) looking forward to trying your custom stuff, however, as my NXT-G trig (...) (18 years ago, 22-Dec-06, to lugnet.robotics)
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| | and the sine & cosine functions for the NXT
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now we have a complete integer trig-function package. Challenge : who is going to draw the first sine and cosine waves on the NXT display? Please report any bugs. www.convict.lu/Jeune...sIntro.htm Claude (18 years ago, 22-Dec-06, to lugnet.robotics)
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| | arctangent block for NXT
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Hi interested, LV toolkit is amazing ! It allows writing cool blocks. Now we have the arctangent function... for integer numbers !!! f(x)=atan(x) You enter x as milli_x. Example: 1000 milli = 1 !!! The result of the function is deci-degrees, a (...) (18 years ago, 21-Dec-06, to lugnet.robotics)
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| | Re: Mindstorms USB connection and memory
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In article <C351BAFF646DAC4F8F7...98F@YS-EX- CLUSTER.ysi.int>, Fred Mullins <lego-robotics@crynwr.com> writes (...) It is not safe to do this. Perhaps there is a power-down PC connected, that will be unable to deal with 5V being applied to the (...) (18 years ago, 21-Dec-06, to lugnet.robotics)
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| | RE: Mindstorms USB connection and memory
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There is a lot of "not quite standard" to existing USB capable products. Some things like digital cameras and thumb-drives get along fine with current operating systems, but most of them have their own drivers available to implement extra features. (...) (18 years ago, 20-Dec-06, to lugnet.robotics)
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| | Re: Super Rex Robot
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Updated Super Rex Information is now posted at: (URL) Bryan (18 years ago, 20-Dec-06, to lugnet.robotics, FTX)
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| | Re: Mindstorms USB connection and memory
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(...) That being said, I did once load my brick up with custom firmware that made it look like a USB key - with just under 256K (yes K) of storage - not very useful, and probably the most expensive USB key ever made! Ralph (18 years ago, 20-Dec-06, to lugnet.robotics)
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| | Re: New mini-motor?
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(...) Yes, it's real. Do a search on Ebay and you will see it being sold there. Although I dont have one, I have talked with the seller about it and he seems quite legit to me.. and interested in building them for use with Mindstorms NXT, RCX etc. (...) (18 years ago, 20-Dec-06, to lugnet.robotics)
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| | Not eXactly C beta release news
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Today I am releasing a new beta of NBC and its highly popular high-level sister Not eXactly C (NXC). It is available via the NBC website ((URL) sure to also download the latest BricxCC test release for updated NXT support for both NBC and NXC ((URL) (...) (18 years ago, 20-Dec-06, to lugnet.robotics.nxt, lugnet.robotics)
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| | Re: Mindstorms USB connection and memory
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(...) The European leading journal for electronics "Elektor" has presented a memory stick that can either be connected to a PC via USB or to a microcontroller via RS232: very interesting and inspiring: GE: (4 URLs) (18 years ago, 20-Dec-06, to lugnet.robotics)
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| | Re: Mindstorms USB connection and memory
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(...) Well... technically it could probably be done, using a microcontroller with integrated USB host, and some interface with mass storage added to it. But that would be a HUGE electronics/software project! Philo (18 years ago, 20-Dec-06, to lugnet.robotics)
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| | Re: Mindstorms USB connection and memory
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(...) Steve, Thanks! I was hoping it might work like the memory card in my digital camera. By the way, when your working on the next NXT, a memory card slot would be COOL! I can dream can't I? Sincerely, Todd (18 years ago, 20-Dec-06, to lugnet.robotics)
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| | Re: Mindstorms USB connection and memory
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Thanks! Oh well, I will go back to dreaming. Todd (...) (18 years ago, 20-Dec-06, to lugnet.robotics)
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| | Re: Mindstorms USB connection and memory
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In article <JAJz0z.6FA@lugnet.com>, Todd Thuma <thumat@gactr.uga.edu> writes (...) Hmm. A USB connection between a host and a slave is not bidirectional. The host end supplies power and control logic which create the signals to manage the data (...) (18 years ago, 20-Dec-06, to lugnet.robotics)
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| | Re: Mindstorms USB connection and memory
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(...) Yes, you're crazy. Actually, it's been suggested many times. However, it doesn't quite work that way. With USB, there's a master device, and a slave device. The thumb drive is a slave device. The NXT is a slave device. You can't connect a (...) (18 years ago, 20-Dec-06, to lugnet.robotics)
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| | Mindstorms USB connection and memory
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Mindstorms NXT experts, Okay, so I am working with my NXT and it occurs to me that the brick has a USB connection. USB connections are bidirectional meaning that information can go both ways. Skip ahead to me wanting to embed a USB memory key into a (...) (18 years ago, 20-Dec-06, to lugnet.robotics)
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| | Re: New mini-motor?
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"Ken Koleda" <kkoleda@gmspamfreeail.com> wrote in message news:JAJ435.DJF@lugnet.com... (...) custom-built. As far as the brickshelf folder itself is concerned, I did identify what appears to be an alternate model from set 8094 Technic Control (...) (18 years ago, 19-Dec-06, to lugnet.robotics)
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| | Re: Matlab & Lego
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(...) [Errors removed] Ilan, I really can't get a handle on your problem looking at the errors you provided. The only advice I can give is to check out the following things. - Verify you have the right tools and installed correctly. I would also (...) (18 years ago, 19-Dec-06, to lugnet.robotics)
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