 | | Re: Code-only Line-tracking competition
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(...) Yes, that is indeed how you must do it. But there are two things that make this more difficult: first of all, the surface is highly reflective (while the line itself is flat). You'll get a high percentage of light return even if the light (...) (23 years ago, 31-Oct-01, to lugnet.robotics, lugnet.org.us.smart)
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| | Re: Code-only Line-tracking competition
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(...) I don't know anything about this competition, but can't you just store the black line and the table as two different variables and have your program pick the halfway point and use that in its decision making when line-following? Of course, you (...) (23 years ago, 30-Oct-01, to lugnet.robotics, lugnet.org.us.smart)
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| | RE: Code-only Line-tracking competition
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(...) David, thanks for putting this contest on. I admit that I was intrigued when it was announced but did not have time to put an entry together. The idea of a code-only competition on a standard hardware platform is brilliant and opens up the (...) (23 years ago, 28-Oct-01, to lugnet.robotics, lugnet.robotics.rcx, lugnet.robotics.events, lugnet.org.us.smart)
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| | Re: Code-only Line-tracking competition
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Well, it's been a few weeks since the Workshop 3D RCX Challenge, and all the other results were in a long time ago, but we finally have the results for the code-only event. Since tab characters seem to disappear in these posts, and a table is (...) (23 years ago, 28-Oct-01, to lugnet.robotics, lugnet.robotics.rcx, lugnet.robotics.events, lugnet.org.us.smart)
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| | Line Maze Challenge!
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Excerpt from SRS October Meeting Minutes: | We ran out of time to talk in detail about some of the Line Maze | robots that showed up to the meeting. Of the eight or nine robots | at the meeting, four or five were running (depending on your | (...) (23 years ago, 22-Oct-01, to lugnet.org.us.smart)
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| | Re: Photos of Workshop 3D RCX Challenge #3
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(...) So, when will the results be available? As a participant in the code-only category I'm very curious how my program did, but I didn't see anything about the line tracking event yet, neither on the webcast nor among your pictures nor on the (...) (23 years ago, 9-Oct-01, to lugnet.org.us.smart, lugnet.robotics.events, lugnet.loc.us.wa)
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| | Photos of Workshop 3D RCX Challenge #3
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Thanks to everyone that helped out, everyone that participated, and everyone that attended, the third Workshop 3D RCX Challenge was a phenomenal success. I don't know if it was an official count, but someone said there were over 30 participants, and (...) (23 years ago, 9-Oct-01, to lugnet.org.us.smart, lugnet.robotics.events, lugnet.loc.us.wa)
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| | Web cam for Workshop3d RCX Challenge
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For those trying to watch the Workshop 3D RCX Challenge on the web cam, the url was incorrect. Please use the following: (URL) for the inconvenience. -- David Schilling (23 years ago, 6-Oct-01, to lugnet.org.us.smart, lugnet.robotics, lugnet.events)
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| | Re: WORKSHOP 3D LEGO RCX Challenge
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Only two weeks left for building your entry to the Workshop 3D RCX Challenge! Make sure you register if you intend on bringing a robot! Check out (URL) for details, including how to register. And don't forget, the November SMART meeting (Nov. 17th) (...) (23 years ago, 23-Sep-01, to lugnet.org.us.smart)
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| | September Meeting was Excellent
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On Saturday we had a fantastic SMART meeting at the Renton Technical College after the SRS meeting. There were many participants who attended the SRS meeting and came back for the SMART meeting. Ray Freeman came and set up the Workshop3D RCX (...) (23 years ago, 17-Sep-01, to lugnet.org.us.smart)
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| | September Meeting Details
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On Saturday, September 15, SMART will have a meeting in Renton after the Seattle Robotics Society meeting. The SRS meeting is from 10am to noon. The SMART meeting will be from 1:30 to 3pm. We have to be out by 3:30pm. For those who plan to attend (...) (23 years ago, 8-Sep-01, to lugnet.org.us.smart)
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| | WORKSHOP 3D LEGO RCX Challenge
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Just in case anyone reading this group hasn't figured out yet that there will be a robot competition coming up soon in Seattle, consider this fair warning! You have only one month left to build your robot and program it! Check out (URL) for details, (...) (23 years ago, 7-Sep-01, to lugnet.org.us.smart)
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| | September Meeting
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SMART will have its September meeting on Saturday, the 15th at the Renton Technical Collage after the SRS meeting. The SRS meeting runs from 10am to noon. SMART will have their meeting from 1:30pm to 3pm. For this meeting we will be considered to be (...) (23 years ago, 18-Aug-01, to lugnet.org.us.smart)
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| | July Meeting Photos and Notes
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Hello SMARTies, Sorry it has taken so long to get this on the net but I have been rather busy with trips and relatives and camps etc. To top it off, my AT&T cable modem has decided that it will only work when it feels like it, which is not very (...) (23 years ago, 10-Aug-01, to lugnet.org.us.smart)
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| | Botball demo at SRS meeting on 7/21
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Hi Everyone, I just saw the following mail on the SRS mailing list. This Saturday, July 21, there will be a special demo of BotBall. This is the high school Lego competition that is taking place August 8 as part of the at AAAI convention in Seattle. (...) (23 years ago, 18-Jul-01, to lugnet.org.us.smart)
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| | July meeting reminder
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This is just a quick reminder: the next SMART meeting will be in a little over a week. Specifically, July 28th, at 2pm. Bellevue Library, room 1. Bring your robot creations, and your questions. And don't forget this month's challenge: Build a robot (...) (23 years ago, 17-Jul-01, to lugnet.org.us.smart)
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| | Notes from third SMART meeting
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Today's SMART meeting was a great success. We again had many people bringing robots for a very tough challenge this time: moving around on a table without rotating wheels, and searching for a reflective block. Gus Jansson also demonstrated his (...) (23 years ago, 20-May-01, to lugnet.org.us.smart)
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| | Re: May SMART meeting; retro-reflector data
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(...) nicely on the lamp. If you use it then you don't have to worry about any light coming directly back into the light sensor. It also focuses more light forward thus increasing the amount reflected back. Look at: (2 URLs) (23 years ago, 10-May-01, to lugnet.org.us.smart)
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| | Re: May SMART meeting; retro-reflector data
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(...) I tried another light sensor I had, and it's readings were 670 around the rest of the room, and 655 at 9 inches. In other words, not only were the readings lower, but much less sensitive. You might want to search for your 'best' light sensor (...) (23 years ago, 9-May-01, to lugnet.org.us.smart)
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| | Re: May SMART meeting; retro-reflector data
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(...) Thanks, David. I would like to add that using a Lego lamp will significantly improve your ability to detect the reflector. These lamps are part if the ultimate accessory kit and can also be purchased from Lego Shop-At-Home and/or Lego Dacta. (...) (23 years ago, 9-May-01, to lugnet.org.us.smart)
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