 | | Re: New Book - Programming Lego Mindstorms with Java
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Hi all, As some of you also know, there is a companion book to Mario and Giulio Ferrari's book "Building Robots with Lego Mindstorms" coming out at about the same time (not to rain on your announcement Brian ;-) titled "Programming Lego Mindstorms (...) (23 years ago, 10-Mar-02, to lugnet.robotics)
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| | Re: NQC "No reply from RCX" Help Please
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(...) I'm glad it was a simple fix. Thanks also for buying my book - I hope you found it helpful and/or enjoyable. Dave Baum (23 years ago, 10-Mar-02, to lugnet.robotics)
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| | Re: Cross Posting - Lafayette (Indiana) Area Lego Robotics Club.
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Sorry for the poorly done cross-post. You know I messed around for an hour trying to figure out how to do it, and was unsuccessful. I needed to put a comma between the group names. Now I know what I was doing wrong. I've alreay gotten several (...) (23 years ago, 10-Mar-02, to lugnet.robotics)
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| | Re: Lafayette (Indiana) Area Lego Robotics Club.
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Steve, This is great news, but do you need to post like this? Why not just cross post in one shot. (i.e. copy and paste the names into the Newsgroups space) Then again I could not fit all the newsgroups you posted to into the space? See Ya... Robin (...) (23 years ago, 10-Mar-02, to lugnet.robotics, lugnet.announce, lugnet.org.us.indylug, lugnet.org, lugnet.loc.us, lugnet.org.us.smart, lugnet.org.us.gmlug, lugnet.org.us.michlug, lugnet.loc.us.mi, lugnet.loc.us.in.ind)
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| | Re: Lafayette (Indiana) Area Lego Robotics Club.
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(...) Whoops, that should be lugnet.PEOPLE.newbie.... sorry about that! (23 years ago, 10-Mar-02, to lugnet.robotics)
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| | Re: Lafayette (Indiana) Area Lego Robotics Club.
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(...) Congrats on your club formation. Looks like you had a good competition. You may want to look into how to crosspost... your announcement may well be worth posting in the MANY groups you posted it to but it should have been one post, (...) (23 years ago, 10-Mar-02, to lugnet.robotics)
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| | Re: Is the program running?
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"Barney Hilken" <barneyhilken@mac.com> wrote in message news:Gsq8J6.Ds9@lugnet.com... (...) There is no direct way to interrogate the RCX with standard firmware. However, it could be simply handled programmatically. Use a global variable to set a (...) (23 years ago, 10-Mar-02, to lugnet.robotics.rcx)
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| | Lafayette (Indiana) Area Lego Robotics Club
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We're proud to announce the formation of the Lafayette Area Lego Robotics Club in Lafayette, Indiana. The Lafayette Area LEGO Robotics Club is a group of people who meet once a month to discuss and build Lego robots and related subjects. We hope to (...) (23 years ago, 10-Mar-02, to lugnet.robotics)
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| | Fw: exponents, e^
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By all means use lejOS, but don't think that legOS is hard to get working on Windows. Max. ----- Original Message ----- From: "David Dubravetz" <david_dubravetz@hotmail.com> To: <lugnet.robotics.rcx...ugnet.com> Sent: Thursday, March 07, 2002 4:57 (...) (23 years ago, 9-Mar-02, to lugnet.robotics.rcx.legos)
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| | Is the program running?
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Does anyone know how to poll the RCX (with standard firmware 2.0) to find out whether a program has terminated yet? If you can see the LCD, you can see whether the little man is still moving, but can you check this from a host computer? The (...) (23 years ago, 9-Mar-02, to lugnet.robotics.rcx)
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| | Psion 5mx and pbForth
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I've mentioned my attempts to get a psion series 5 to talk to pbForth before. I've finally got it sorted enough to be useful. Anyone with a Psion Series 5mx machine (possibly a series 5 also) may like to look at (URL) It transfers firmware and text (...) (23 years ago, 9-Mar-02, to lugnet.robotics.rcx.pbforth)
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| | Re: Single acting pneumatics with spring return
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(...) True, but there is one notable difference, as others have pointed out before: When compressiong air, the pressure difference is limited only by implementation details. The pressure inside the tank usually is not just slightly higher than (...) (23 years ago, 7-Mar-02, to lugnet.technic, lugnet.robotics)
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| | New Book - Core Lego Mindstorms
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As some of you know I've been working on a Lego Mindstorms book for Java programmers. The official release date is March 15, 2002 so it seems like a good time to announce it. The intent of this book is to get Java programmers interested in Lego (...) (23 years ago, 9-Mar-02, to lugnet.announce, lugnet.robotics) !
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| | Re: RCX as a PGP engine
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(...) If you need floating point numbers the leJOS JVM for the RCX uses floating point: (URL) seems like a very intersting idea. I actually wanted to skip the RCX altogether and somehow link up a networking protocol using just the IR Towers. One (...) (23 years ago, 9-Mar-02, to lugnet.robotics.rcx.legos)
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| | Re: RCX as a PGP engine
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(...) It really isn't that limited when you consider other platforms that run full PK systems, such as the Dallas Semiconductor iButton. It has a much more limited processors, more limited RAM, and you write your code in Java so it has to be (...) (23 years ago, 9-Mar-02, to lugnet.robotics.rcx.legos)
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| | Re: RCX as a PGP engine
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(...) Excellent point, Benton Jackson e-mailed me with the following: (...) Good idea using a external sensor to seed some sort of random number generator function. However, the codebase for PGP is pretty darned large and after looking at the source (...) (23 years ago, 9-Mar-02, to lugnet.robotics.rcx.legos)
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| | Re: RCX as a PGP engine
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(...) The key word is a "good" generator. Random() is way too predictable to use in a crypto application. (23 years ago, 9-Mar-02, to lugnet.robotics.rcx.legos)
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| | Re: exponents, e^
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(...) Remote control and lejos: You can download a Java object to accept commands from the remote. Check out (URL) lejos. Roger (23 years ago, 9-Mar-02, to lugnet.robotics.rcx.legos)
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| | Re: NQC "No reply from RCX" Help Please
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Wow! Hey..thanks..that was it. I hadn't changed my batteries in any of my RCX since I got them. When I changed all of them a few weeks ago, I must have lost the firmware. I saw your name..and was like.."hmm where have I heard of you before" then I (...) (23 years ago, 9-Mar-02, to lugnet.robotics)
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| | Re: NQC "No reply from RCX" Help Please
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Is the firmware still installed on the RCX? When you turn it on if it just shows a single digit, then there isn't any firmware. With firmware loaded you should see something like "00.00!1" where ! is the LCD icon of a person. If firmware is not (...) (23 years ago, 9-Mar-02, to lugnet.robotics)
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