 | | Re: How to get Dacta #9633 Pneumatics Set
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Whoops! Wrong URL. It's www.constructiontoys.com . Sorry! -----Original Message----- From: The WordMeister <dwilcox@wordsmithdigital.com> To: C S Soh <cssoh@singnet.com.sg>; lego-robotics@crynwr.com <lego-robotics@crynwr.com> Date: Tuesday, November (...) (26 years ago, 2-Nov-99, to lugnet.robotics)
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| | Re: Categorizing uploaded robot images on legomindstorms.com
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Russell Stoll <admin@legomindstorms.com> wrote in message news:FKJB41.A1C@lugnet.com... (...) Russ; I would try to put the categories in a tree structure. The for example first branch might be Mobil or Stationary. Then for Mobil the branch might be (...) (26 years ago, 2-Nov-99, to lugnet.robotics)
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| | RE: Categorizing uploaded robot images on legomindstorms.com
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(...) Here's another idea - shamelessly stolen from a great bit of software called SuperJPG. (URL) This is (in my opinion) the best JPG indexing tool available. Anyways, the package lets you add "keys" to your images. It works like this: Suppose you (...) (26 years ago, 2-Nov-99, to lugnet.robotics)
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| | Re: Cat by the tail!: Rcx / MindStorms Classroom
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Fred, I'm confused by the Pitsco site. Which package are you referring to as the "Mindstroms Bulk" set? Have you seen one of these?? I'm wondering if there is any advantage over 4 retail Mindstorms sets at $199 each or so.... Software: I was (...) (26 years ago, 2-Nov-99, to lugnet.robotics.edu)
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| | Re: Cat by the tail!
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Steve, I'm working on some material; will be developing more as I teach some Middle School kids starting soon. Let's try to collaborate here. I am researching other Education links and lists for current Mindstorms users in Education. I will try to (...) (26 years ago, 2-Nov-99, to lugnet.robotics.edu)
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| | Re: walker that turns?
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(...) it? ¡hola Horacio! Months ago I built a robot that used just two legs to walk, moving its own center of gravity from one leg to the other. It was actually unable to turn, but someone sugested that I could provide it with turnable legs for (...) (26 years ago, 2-Nov-99, to lugnet.robotics)
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| | Re: Time available during 1 kHz system interrupt?
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(...) Mostly PWM will get jerkier. If you sit to long in there and the motors happen to be 'on' then you can go faster than you would like :-) You also "lose time" in the sense that msleep is no longer accurate so there are issues with tasks that (...) (26 years ago, 2-Nov-99, to lugnet.robotics.handyboard)
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| | Re: Time available during 1 kHz system interrupt?
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The controls are spread across a couple of files, mainly in libhb.c we get /* pulse width modulation control: if off, all motors run at full speed if on, speed bytes are used to determine motor speed */ void system_pwm_on() {bit_set(0x39, (...) (26 years ago, 2-Nov-99, to lugnet.robotics.handyboard)
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| | Re: legOS-0.2.1
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Hi Jeffrey, that's an OS issue - your host system should define O_ASYNC. Some older systems define FASYNC instead, try that one. You can work around this more elegantly, too: #ifndef O_ASYNC #define O_ASYNC FASYNC #endif And hope for the best. (...) (26 years ago, 2-Nov-99, to lugnet.robotics.rcx.legos, lugnet.robotics.rcx)
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| | Re: Categorizing uploaded robot images on legomindstorms.com
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You may wish to consider a combination of a main hierarchical taxonomy (mobile->wheels->...) with tag keys for attributes (contains homebrew sensor). User may search both ways. Eric (26 years ago, 2-Nov-99, to lugnet.robotics)
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