 | | Re: Robot navigation
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(...) Here is an Idea. If you know where you are sort of, then you can program an object into memory at a certian distance(a wall perhaps). Once the robot hits something, it checks to see if it is about at the distance programmed into it. If it is, (...) (26 years ago, 29-Oct-99, to lugnet.robotics)
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| | shoes [was Re: lego Technic "class"]
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=>From: Steve Moffat <smoffat@hcitech.com> =>... => If you have an abnormal foot size why do you need to buy =>twice as many shoes as those who do not? ... in the case where you have different-sized feet (e.g. size-10 left, and size-12 right). The (...) (26 years ago, 29-Oct-99, to lugnet.robotics)
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| | RE: lego Technic "class"
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Greetings, Well that makes more sense. I have never heard of this before. <<...>> -----Original Message----- From: Chris Phillips [SMTP:chris.phillips...oards.com] Sent: Friday, October 29, 1999 3:34 PM To: 'Steve Moffat' Cc: (...) (26 years ago, 29-Oct-99, to lugnet.robotics)
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| | Re: lego Technic "class"
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From: "Chris Phillips" <chris.phillips@comp...oards.com> (...) I've (...) the (...) I've (...) far. The adder/subtractor is an all mechincal design which handles this flaw. Take a look at (URL) I'm sure that others will chime in with their designs (...) (26 years ago, 29-Oct-99, to lugnet.robotics)
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| | RE: Robot navigation
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I have been working on this too, and I decided that I am going to live with a certain amount of uncertainty. If I can get to within a few inches of where I think I am, that's going to be good enough. Until it isn't anymore, and then back to the (...) (26 years ago, 29-Oct-99, to lugnet.robotics)
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| | Using ROBOLAB with FIRST LEGO League
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i'm posting this again. it was already posted to lugnet.robotics If your kids are using ROBOLAB in this years FIRST LEGO League, I've written a replacement for pages 27-36 in the Official FIRST LEGO League 1999 Rule Book, replacing ROBOLAB for RCX (...) (26 years ago, 29-Oct-99, to lugnet.robotics.edu)
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| | Re: lego Technic "class"
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(...) *snip* As a somewhat Bizzare experiment, I have run a LEGO motor from the battery box controller as supplied with motor set 8735. The motor is placed next to a Pick-up on an electric guitar plugged into an electronic tuner. With the motor (...) (26 years ago, 29-Oct-99, to lugnet.robotics)
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| | Re: lego Technic "class"
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In lugnet.robotics, Stephen Unwin writes: <...snip...> (...) I've never seen this, but I recall hearing somebody discuss this recently. It might be a quality control problem having to do with adhesive getting worn off and gumming up the gears. (...) (26 years ago, 29-Oct-99, to lugnet.robotics)
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| | Scans of Constructopedia 1.0 English
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Jesper: Thanks for posting the scans of the Constructopedia 1.5 last week. The comparison was fascinating, especially finding out what the "new" pieces were in the set. Some debate remains in my mind--has Lego made the RIS set slightly less valuable (...) (26 years ago, 29-Oct-99, to lugnet.robotics)
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| | bug in semaphore code (was Re: Announce: NQCIPC update
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Your semaphore acquire algorithm isn't too good. Here is your code: #define sem_acquire(s) until (s == 0); s = 1; If two tasks are waiting for the semaphore at the same time, it is quite likely that both will get it: // (s is currently nonzero) task (...) (26 years ago, 29-Oct-99, to lugnet.robotics)
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