 | | Re: question on mindstorm capabilities for competition
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(...) Hi George, NXT will do this fine, however you might want to try two light sensors (1 more than in the Retail Kit) Otherwise you might not be able to tell going off line and a break in the line! The NXTG language would be fine for this task and (...) (16 years ago, 4-Jul-08, to lugnet.robotics)
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| | Re: AW: Assembly line feeding system
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(...) Hello Jordan, Thanks a lot for the tip! This is an amazinly simple and effective way to serialize a ball flow. According to my experiments, there is a little thing to add to your explanations: the narrow ramp level must be sufficiently lower (...) (16 years ago, 4-Jul-08, to lugnet.robotics)
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| | Bluetooth quirks
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I've just re-read Sivan Toledo's "Analysis of the NXT Bluetooth Communication Protocol" tacked on the main lugnet.robotics.nxt main page. I am currently in a PC lab (Portland State Univ NH 439) with 9 bright kids. We have about 24 NXT kits at our (...) (16 years ago, 2-Jul-08, to lugnet.robotics.nxt)
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| | Re: AW: Assembly line feeding system
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GBC module creators tend to independently reinvent the same hopper solutions used in factories. Some of them shake, many of them have an agitator spinning inside it to loosen the pieces, but the simplest just use gravity and a change of direction. (...) (16 years ago, 2-Jul-08, to lugnet.robotics)
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| | AW: Assembly line feeding system
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Maybe a look into actual GBC designs and their approaches to transportation might prove useful (?). (Ok, it's for LEGO balls instead of plates) (URL) Nachricht----- Von: news-gateway@lugnet.com [mailto:news-gateway...ugnet.com] Im Auftrag von John (...) (16 years ago, 2-Jul-08, to lugnet.robotics)
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| | Re: question on mindstorm capabilities for competition
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George, I think the NXT would be an excellent way to get your son involved in robotics. And, it should do just fine in that competition. That's pretty much what it was designed for. Don't worry about a lack of experience with Mindstorms. I'm sure (...) (16 years ago, 30-Jun-08, to lugnet.robotics)
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| | Re: Problem to send long messages from RCX to PC via com Hack
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(...) Dear Matthew I have found the problem. It was in kernel\lnp-locical.c -> cheking the echo was the problem solution: echo OFF it is a rough solution, but it works changes 1) rx_handler(void) ... // echos of own bytes -> collision detection // (...) (16 years ago, 29-Jun-08, to lugnet.robotics.rcx.legos)
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| | Re: Problem to send long messages from RCX to PC via com Hack
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I don't know if this is would be of any help, as it uses a different approach, but I thought I'd pass it along anyway.... Bi-directional Bluetooth to IR translator - (URL) (PDF format: (URL) ) While this solution doesn't allow both the serial and IR (...) (16 years ago, 28-Jun-08, to lugnet.robotics.rcx.legos)
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| | Assembly line feeding system
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What I'm trying to do is inspired by the feeding mechanism of (URL) trying to feed 1x1 plates into an assembly line. I've built several hoppers to hold a few hundred pieces each. I've got a chute design so that the pieces slide down without room to (...) (16 years ago, 27-Jun-08, to lugnet.robotics)
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| | question on mindstorm capabilities for competition
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Hi all, Every year on our campus we have a robotics competition called the Mobot race, where home built robots attempt to steer through a course by following a painted white line. This white line curves and breaks at some points depending on the (...) (16 years ago, 26-Jun-08, to lugnet.robotics)
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| | brickOS is slower than NQC for sending message
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I tested two ways with brickOS and NQC, source as below, you will find the NQC can only send about 80 messages in 4s, brickOS can send all 255 messages, but need 20s, in other word, NQC needs 50ms for sending a message, or brickOS needs above 100ms (...) (16 years ago, 26-Jun-08, to lugnet.robotics.rcx)
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| | Logic Probe Kit for the LEGO NXT
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Hi All, I've just completed an Assembly and Application Manual for a Logic Probe kit I'm developing. This tool can be used to test and analyze digital & microcontroller circuits, and the LEGO NXT. Check out the LEGO NXT application that illustrates (...) (16 years ago, 25-Jun-08, to lugnet.robotics.nxt)
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| | Re: Brickworld 2008 - Thanks to Everyone
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I am so sorry I missed it due to work schedule :( Maybe next year... sigh (16 years ago, 24-Jun-08, to lugnet.events.brickworld, lugnet.robotics, FTX)
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| | Re: Brickworld 2008 - Thanks to Everyone
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(...) Stacy and I second this. The whole Brickworld Team deserves a huge round of applause for all the hard work and long hours you put in to make this a spectacular event. Everything just seemed to run so smoothly and it seemed that every detail (...) (16 years ago, 24-Jun-08, to lugnet.events.brickworld, lugnet.robotics, FTX)
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| | Brickworld 2008 - Thanks to Everyone
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(URL) A HUGE thank you to everyone that participated in Brickworld 2008. Once again, the event was a great success because of your efforts, your donations and your artistic & engineering talents. We never thought we could top the feel of Brickworld (...) (16 years ago, 24-Jun-08, to lugnet.events.brickworld, lugnet.fun.community, lugnet.announce, lugnet.general, lugnet.events, lugnet.robotics, FTX) !
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| | Re: NXT Reset tool
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(...) ball point pen tube, I found a light saber. They seem to be the same gauge. So, I now have a very large minifig spear! (16 years ago, 19-Jun-08, to lugnet.events.brickworld, lugnet.robotics)
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| | Re: NXT Reset tool
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(...) True. But this works like it was designed for the purpose: (URL) Brian Davis (16 years ago, 18-Jun-08, to lugnet.robotics.nxt)
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| | NXT Reset tool
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This works. Pulled a regular ballpoint pen off it's casing and used the ink tube to reset an NXT. (16 years ago, 18-Jun-08, to lugnet.robotics.nxt)
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| | Re: NXT, Bluetooth & cell phones/PDAs
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(...) I'm still looking for a new phone/PDA which can communicate with my NXT. Any suggestions? Sometimes the best information is what NOT to use... -MDT P.S. I'll be at BrickWorld. If you want to talk about it, or anything else, I'll be one of the (...) (16 years ago, 15-Jun-08, to lugnet.robotics, FTX)
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| | PC I2C Port
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For those that didn't know the DDC (Display Data Channel) on A PC Video Connector is actually an I2C BUS. so dont bother buying an adapter all you need is an old monitor cable! Read more here: (URL) (16 years ago, 13-Jun-08, to lugnet.robotics, lugnet.robotics.nxt, lugnet.robotics.nxt.nxthacking)
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