 | | Re: Difficulty with WRITE COMMAND over BT
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(...) Thank you very much for the reply. It is still consistently puzzling. If I write some other file - for example a text file named file.txt, I can write and close, and see it in the list (through findfirst/findnext) successfully. This works both (...) (17 years ago, 28-Apr-07, to lugnet.robotics.nxt)
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| | Re: Classroom experiments gone awry
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(...) I'm using terms of my own making. These are terms that seem to work with 10 - 12 year olds. By "dominant" I mean the wheel which measures the duration specified in a turn. Sometimes I use the term "outside wheel". For example, a duration of (...) (17 years ago, 28-Apr-07, to lugnet.robotics.nxt)
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| | Re: Difficulty with WRITE COMMAND over BT
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(...) It's hard to say what exactly might be going wrong. Here's how I write a file to the NXT: // write in < 64 byte chunks xferred := 0; aStream.Position := 0; // start at the beginning while xferred < size do begin cnt := Min(size - xferred, (...) (17 years ago, 27-Apr-07, to lugnet.robotics.nxt)
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| | FW: Classroom experiments gone awry
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It is hard to lay fingers on trouble shooting this without understanding your experiment. Would you clarify your experiment: Hypothesis: ??? Control variable: wheels size? Independent variable : Dependent variable: Procedure: ??? --Elizabeth (...) (17 years ago, 27-Apr-07, to lugnet.robotics.nxt)
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| | RE: Classroom experiments gone awry
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I'm having trouble understanding the meaning of your results. What do the percentages mean? I'd also just like to check that you used the "run for 10 rotations" as duration with "next action" indicated as stop. What speed did you use for the (...) (17 years ago, 26-Apr-07, to lugnet.robotics.nxt)
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| | Difficulty with WRITE COMMAND over BT
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Hi, I am attempting to download a .rxe program file to NXT from some programming environment that allows communicating over serial port. So I connect to NXT (with 1.04 firmware) from the WinXPSP2 box with BT USB dongle, and use the commands (...) (17 years ago, 26-Apr-07, to lugnet.robotics.nxt)
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| | Re: Classroom experiments gone awry
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(...) What do you mean by "dominant" here? And what is a "tick" on the steering slider equal to? I've done something similar to figure out the behavior with respect to the position of the steering slider, but this is a *great* place to introduce the (...) (17 years ago, 26-Apr-07, to lugnet.robotics.nxt)
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| | Classroom experiments gone awry
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Imagine a classroom with eight 13-year old boys, paired up with a laptop and the standard NXT Edu robot. The 9x9 inch floor tiles made perfect for a little experiment in derivation. Starting at a fixed point and heading, each team marked where the (...) (17 years ago, 26-Apr-07, to lugnet.robotics.nxt)
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| | Re: NBC/NXC beta news
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(...) Well that technique does compile, but produces interesting results: --- #include "NXCDefs.h" struct st { string s1; int i1; } st a1[]; st v1,v2; task main() { v1.s1 = "test"; v1.i1 = 9; NumOut(0,0,v1.i1); TextOut(40,0,v1.s1); (...) (17 years ago, 25-Apr-07, to lugnet.robotics.nxt)
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| | Re: NBC/NXC beta news
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(...) The problem with code of this sort is that the opcodes for manipulating values do not readily allow for this type of operation. To set the variable val to the value of the bxxx field of the structure type stored in your array of structs I (...) (17 years ago, 25-Apr-07, to lugnet.robotics.nxt)
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| | Re: Another useless utility
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(...) I've created a little desktop wrapper for the Mac version of rsoplay called RSOPlayer. You can drag RSO files onto it to play them, double-click RSOPlayer to select files to play with a file browser, or even assign RSOPlayer to handle RSO (...) (17 years ago, 25-Apr-07, to lugnet.robotics.nxt, FTX)
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| | Re: NBC and Windows Mobile
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(...) I also have a Dell X51v PDA and am very interested. I don't own a laptop so my PDA is all I take to brick events. I did fine using OnBrick at the recent BrickFest PDX, but am looking for other options. I don't have a lot of time to help, but I (...) (17 years ago, 24-Apr-07, to lugnet.robotics.nxt)
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| | Bricxcc news
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A new test release of BricxCC is available. It features a built-in NBC/NXC compiler which can be turned on or off via a checkbox on the NBC/NXC Compiler tab. With it turned on you will find that compiling and downloading programs via bluetooth is (...) (17 years ago, 24-Apr-07, to lugnet.robotics.nxt)
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| | Re: NBC and Windows Mobile
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I have a Dell X51v and would like to do the same thing. I don't have any time to help but I would like to be kept in the loop when you get yours working. I can test out your solution on my Dell PPC(Mobile 5). Ronald "John Hansen" (...) (17 years ago, 23-Apr-07, to lugnet.robotics.nxt)
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| | Another useless utility
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rsoplay - Play RSO file on PC --- This is a small program to play NXT sound files (.RSO) on your PC. Not sure why anyone would really want to, but now you can anyway. Now Mac and linux can be just as useless as Windows! Download it (URL) here>. (...) (17 years ago, 23-Apr-07, to lugnet.robotics.nxt, FTX)
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| | Re: Wishlist for next pbLua Beta
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(...) Preparing a filesystemblock with files inside should be not a big problem... Testing can be done by downloading (sending ascii) like today and when finished, prepare the filesystem and download the separate image. When operating system and (...) (17 years ago, 23-Apr-07, to lugnet.robotics.nxt)
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| | Re: Wishlist for next pbLua Beta
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(...) What is the size of code ? I think we need a very small filesystem only. If we can store 32kB it is enough, we didn't want to store MP3 ! (...) What about pressing a button at boot to switch console ? e.g if pressed <enter> ==> BlueTooth else (...) (17 years ago, 23-Apr-07, to lugnet.robotics.nxt)
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| | Re: Controlling trains with NXT?
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(...) Indeed, Steve Hassenplug & I did exactly this at BrickFest 2005 with the GBC trains - we had two trains running around a single loops, but in this case used four isolated sections so that each side fo the loop was under the complete control of (...) (17 years ago, 22-Apr-07, to lugnet.trains, lugnet.robotics.nxt)
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| | Re: Controlling trains with NXT?
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(...) Block control was fairly common on model train layouts before DCC and other digital solutions became available. If you do a google search for "block control" you should find a few references. Yours is a variant of that. It works, but as you (...) (17 years ago, 22-Apr-07, to lugnet.trains, lugnet.robotics.nxt)
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| | Controlling trains with NXT?
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As some of you are probably aware, there are people who use DCC controls that allow them to operate two trains independantly on the same stretch of track. This system, however, requires that you hack open motor bogeys to install the DCC control (...) (17 years ago, 21-Apr-07, to lugnet.trains, lugnet.robotics.nxt)
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