 | | Re: Books
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My book was released less than a week ago. Copies are probably just getting to physical bookstores as we speak. I just got a stack (direct from O'Reilly) today. I think Ben's right: buy 'em both. But of course I'm biased. And hey, thanks to whoever (...) (26 years ago, 21-Oct-99, to lugnet.robotics)
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| | Re: Pneumatics and the RCX -how?
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I'd love to get a hold of some small RCX controllable valves also. I just finnished building a six legged pneumatic walker that would benefit from these for different walking motions. Presently, it just walks forward with the tripod gate type (...) (26 years ago, 21-Oct-99, to lugnet.robotics)
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| | Re: HC11 pink book
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Adam: The pink book part number from Motorola is: M68HC11RM/AD this is the general reference manual for the whole family of microcontrollers, there is also a technical data manual with P/N: MC68HC11A8/D this one just covers the A series processors. (...) (26 years ago, 21-Oct-99, to lugnet.robotics.handyboard)
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| | RE: Scout brick and IR
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I have one of each, but the RCX is far more interesting. I think the RDS would be fun for younger kids (it says 9+ on the box), but once you got the hang of it, you would quickly want the programming power of the RCX. My scout is still configured in (...) (26 years ago, 21-Oct-99, to lugnet.robotics)
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| | Re: Scout brick and IR
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Oh, I agree wholeheartedly. I believe the RDS Scout fills a nitch in the market that was lacking. When the RIS first came out, I was working at an educational toy store that sold it. Most kids that got one loved it but quite a few RISs did get (...) (26 years ago, 21-Oct-99, to lugnet.robotics)
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| | Re: Need Balls!
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(...) Finding your own balls isn't really as difficult as it sounds -- you just have to know where to look. Most Toys backward R Us stores have a large Nerf selection with a variety of sizes and shapes. They're usually larger than the balls that (...) (26 years ago, 21-Oct-99, to lugnet.robotics)
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| | RE: Scout brick and IR
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Is there an IR port on the RDS? With that big old LCD, it would be sooooo much better than the RCX if you could actually do real programming on it. -Luis (...) ###...### Profanity is the one language that all programmers understand. -Anonymous (...) (26 years ago, 21-Oct-99, to lugnet.robotics)
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| | Re: Need Balls!
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HI, I was just wondering what this FLL thing was that you guys were talking about? Thanks in advance. Nicolas Gauthier (26 years ago, 21-Oct-99, to lugnet.robotics)
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| | MIT Press now has copies of Jonathan's book
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The MIT Press Bookstore received an initial shipment today of 8 copies of Jonathan Knudsen's book, The Unofficial Guide to LEGO® MINDSTORMS™ Robots: (URL) Press is open until 8:30 pm tonight. There were 3 copies left at last count. If you happen to (...) (26 years ago, 21-Oct-99, to lugnet.robotics, lugnet.robotics.events, lugnet.books, lugnet.loc.us.ma.bos, lugnet.announce)
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| | What is FLL? (was: Re: Need Balls!)
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(...) It's a double acronym: FLL stands for "FIRST LEGO League" and FIRST stands for "For Inspiration and Recognition of Science and Technology." (2 URLs) if you're attending MindFest™ this coming weekend, FIRST's founder, Dean Kamen, will be part (...) (26 years ago, 21-Oct-99, to lugnet.robotics, lugnet.robotics.events)
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| | Re: Palm Pilot
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Thanks. It did work with Internet Explorer. It should be fixed now though. If anyone else has problems, please let me know. The website again is: (URL) (26 years ago, 22-Oct-99, to lugnet.robotics)
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| | Re: Need Balls!
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(...) Didn't the FLL organizers foresee the need for balls? Have you guys considered using ping pong balls instead? Very close in size to the original robo sport balls I would think. Uniform and easily obtainable. Somewhat heavier I think. <ICS> (26 years ago, 22-Oct-99, to lugnet.robotics)
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| | Re: Pneumatics and the RCX -how?
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(...) Excellent spider model Doug. <ICS> (26 years ago, 22-Oct-99, to lugnet.robotics)
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| | Re: NELUG at Mindfest update (Good News on our Table Space!!)
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Hello Eric... Expect to be VERY busy. I speak from experience. I just showed off my LEGO collection at Calgary's Woodworking & Hobby show on Canada's Thanksgiving weekend. Show attendance was 8 to 10,000, and I swear everyone stopped by to play with (...) (26 years ago, 22-Oct-99, to lugnet.robotics)
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| | Re: Need Balls!
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(...) You get 5 balls with the FLL extension set, but the contest uses up to 30 per team, and we are trying to simulate a contest. Of particular interest is whether the bins will get full and start overflowing. The balls are about 1.5 inches in (...) (26 years ago, 22-Oct-99, to lugnet.robotics)
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| | Re: NELUG at Mindfest update (Good News on our Table Space!!)
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If you can bring a FEW straights (say 6 or 8) that would be a good thing... I will try to be there as soon as I can, dunno about 3 but will try. Got a full plate tomorrow. (26 years ago, 21-Oct-99, to lugnet.org.us, lugnet.robotics, lugnet.robotics.events, lugnet.loc.us.ma, lugnet.loc.us.ma.bos, lugnet.loc.us.ct, lugnet.loc.us.vt, lugnet.loc.us.nh, lugnet.loc.us.vt, lugnet.loc.us.ri)
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| | Re: Books
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(...) My book isn't out yet, but its getting pretty close. From what I've seen, its clear that Jonathan and I took very different approaches to writing about Mindstorms. Jonathan covers a number of advanced topics (such as pbFORTH) that I don't (...) (26 years ago, 22-Oct-99, to lugnet.robotics)
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| | Analog port shaft encoder
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Hi, I am having great difficulty trying to get my shaft encoder to work using both sencdr3.icb or fencdr3.icb driver. I am using the QRB1114 optical sensor connected to analog port 3 with a current limiting resistor of 330 ohms for the emmiter and (...) (26 years ago, 22-Oct-99, to lugnet.robotics.handyboard)
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| | RE: Scout brick and IR
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Yes, it has an IR port, usable from the front and top. I don't know how you would get to it programmatically, with the current "OS" firmware being burned in to ROM, and not modifiable yet (at least by me...) Jeff jeffrey.hazen@northmill.net (...) (26 years ago, 22-Oct-99, to lugnet.robotics)
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| | Double echo
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Hi Ralph, I just tried out to remove all EMITs from ACCEPT word, in order to eliminate back echo from RCX. It works good: less Frame Errors and Break Interrupts from comm port during the session. And you can use "normal" terminal program, like (...) (26 years ago, 22-Oct-99, to lugnet.robotics.rcx.pbforth)
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