 | | Infrared protocol of the RC trains?
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Is there any information on the infrared protocol that is used by the RC Trains? (19 years ago, 1-Apr-07, to lugnet.robotics, lugnet.trains)
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| | Java for NXT
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The second alpha release of leJOS NXJ is now out - download from (URL) is now preliminary support for I2C (including the Ultrasonic sensor), Bluetooth, and Sound. Motor and navigation support is improved. This release still runs in RAM with the NXT (...) (19 years ago, 31-Mar-07, to lugnet.robotics)
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| | Re: NXT Reset
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(...) As I was rummaging through a few boxes of parts, I gathered up all the antenna I could find. I also tried out other pieces that would work to reset an NXT. It seems that anything that fits into a minifig's hands or slip inside a pin or (...) (19 years ago, 31-Mar-07, to lugnet.robotics.nxt)
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| | Fixed-point for NXT-G
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I posted an NXT-G block which implements fixed-point arithmetic operations. Details and download here: (URL) Ziv NXTasy.org (19 years ago, 30-Mar-07, to lugnet.robotics.nxt)
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| | Re: NXC/NBC release news
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(...) The standard NXT firmware has a bug in the replace opcode which makes it impossible to use with multi-dimensional arrays (or ragged arrays of arrays). I have fixed this bug and submitted the code to folks at NI and LEGO for possible inclusion (...) (19 years ago, 30-Mar-07, to lugnet.robotics)
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| | Re: NXC/NBC release news
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Hi, Sorry for asking a naive question but I have been trying to create and manipulate an array of strings in NXC without much success. Here is the little test program that I use: #include "NXCDefs.h" task main() { string sarr[]; ArrayInit(sarr, (...) (19 years ago, 30-Mar-07, to lugnet.robotics)
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| | Re: LEGO Mindstorms NXT - Robotics based Electronics
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(...) Hi Don, Thank you for your contribution in this area! I am an Electrical Engineer by education, but I went down the Software Engineering path long ago. I tinkered a little with electronics when I was younger, did some TV repair work and (...) (19 years ago, 30-Mar-07, to lugnet.robotics)
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| | LEGO Mindstorms NXT - Robotics based Electronics
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As most of you know I've been exploring ways to revitalize electronics education via this blog and teachings at Lawrence Tech University and now ITT Technical Institute.What saddens me is the days of building electronic circuits on breadboards or (...) (19 years ago, 29-Mar-07, to lugnet.robotics)
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| | Re: Extreme NXT: Extending the LEGO Mindstorms NXT to the Next Level
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(...) In case any of you were waiting, the book is now shipping from Amazon. Preview information at www.extremenxt.com/books.htm. Michael Gasperi (19 years ago, 29-Mar-07, to lugnet.robotics.nxt)
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| | Re: Enhanced standard NXT firmware
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(...) That's great news, David. I'm glad that you are having success using the new CommExecuteFunction system call. I haven't had a chance to test it at all yet personally but I was very confident that it would just work seeing as how exposing it (...) (19 years ago, 28-Mar-07, to lugnet.robotics.nxt.nxthacking, lugnet.robotics, lugnet.robotics.nxt)
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| | Re: "Advanced" palette guide for Robolab 2.9.2 ?
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(...) You may want to check out the RoboBooks here: (URL) (19 years ago, 28-Mar-07, to lugnet.robotics.nxt)
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| | RE: "Advanced" palette guide for Robolab 2.9.2 ?
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I have difficult in locating manual for some sort of guide for the new functions such as: - "Detective" under the "Projects" menu bar - Icons in the "Advanced" Palette. Well, I'm sure I can play with it and find out how to use it. However, a guide (...) (19 years ago, 28-Mar-07, to lugnet.robotics.nxt)
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| | FW: Legway with ROBOLAB 2.9
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(...) LEGO light (...) I initially thought it might just be because of the lego light sensor being incapable of recognizing the light difference for a slight tilt. Then, I thought, if that's the case, perhaps I can mount 2 light sensors on the same (...) (19 years ago, 28-Mar-07, to lugnet.robotics.edu)
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| | Re: Enhanced standard NXT firmware
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"John Hansen" <afanofosc@comcast.net> wrote in message news:JF0sGr.M2w@lugnet.com... (...) implement (...) big snip Great job John. And thank you especially for CommExecuteFunction. I couldn't believe that Lego didn't allow a way to make a Bluetooth (...) (19 years ago, 28-Mar-07, to lugnet.robotics.nxt.nxthacking, lugnet.robotics, lugnet.robotics.nxt)
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| | Re: Get Pixel Value Plotter
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(...) Work is coming along swimmingly. I never thought I would sit out on the back deck late at night pinching myself after a good nights work. To analyses images simply is the painter’s way and now I’m doing it in the computer. I have devised a way (...) (19 years ago, 27-Mar-07, to lugnet.robotics.rcx.robolab)
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| | RE: Legway with ROBOLAB 2.9
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(URL) - Legway-RL-2-9 - This folder is not yet public. -----Original Message----- From: news-gateway@lugnet.com [mailto:news-gateway...ugnet.com] On Behalf Of Chio Siong Soh Sent: Friday, March 23, 2007 10:11 PM To: lugnet.robotics.edu@lugnet.com; (...) (19 years ago, 26-Mar-07, to lugnet.robotics.edu, lugnet.loc.sg)
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| | Re: About velocity.
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(...) You can push the gearing still higher - 1:1 isn't the upper limit. But the trick with gearing is to match the gearing to the torque that the motor provides - and to use as few stages of gearing as possible. If 1:1 gearing is optimal - then (...) (19 years ago, 25-Mar-07, to lugnet.robotics)
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| | About velocity.
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First, I'm a beginner. So it will be very easy question for you guys. I have to make a lego robot with RCX model as fast as it possible. I just can use two motors and 4 wheels. It means I can use only a 'driving base'. I made gear ratio for 1:1, and (...) (19 years ago, 25-Mar-07, to lugnet.robotics)
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| | Re: GBC in the Classroom
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(...) Thanks for the heads up, this is wonderful to see. We primarily came up with the GBC idea for exactly one of the reasons you mention in the PDF - we wanted a collaborative, not competitive, LEGO event for groups, clubs, and kids. It has (...) (19 years ago, 24-Mar-07, to lugnet.robotics.edu, lugnet.loc.sg)
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| | Legway with ROBOLAB 2.9
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At the recent LEGO Engineering Conference 2007 in Singapore, (URL) showed how kids using ROBOLAB 2.9 could learn about proportional control and apply it to their robots like making a model car go a precise distance and a proportional control line (...) (19 years ago, 24-Mar-07, to lugnet.robotics.edu, lugnet.loc.sg)
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