 | | Re: Kevin Loch's pictures from Mindfest.
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The Sunday caps are up! KL (...) (26 years ago, 27-Oct-99, to lugnet.general, lugnet.starwars, lugnet.robotics)
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| | Mechanical Motion Models
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I came across the following link (URL) I thought may be useful to Technic and Mindstorms builders who are trying to incorporate various motion mechanisms into their models. A wide range of mechanisms are included including the less common ones such (...) (26 years ago, 27-Oct-99, to lugnet.robotics, lugnet.build, lugnet.technic)
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| | RE: Double echo
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Sergey wrote: <Discussion of ECHO_ON ECHO_OFF snipped> (...) Personally, this is a BIG advantage. Users who do not have access to Tcl now have to deal with double respose characters. A simple ECHO_OFF at the beginning of their script and they now (...) (26 years ago, 27-Oct-99, to lugnet.robotics.rcx.pbforth)
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| | Group to discuss Teaching Lego Robotics?? lugnet.robotics.teaching ???
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I will be teaching several 5th to 8th grade students how to build Lego-based Robots and how to program them in RcxCODE and NQC. We're located in Rural Vermont (!tm) in the NorthEast U.S. I was privileged to get to MindFest on Sunday at MIT, and (...) (26 years ago, 27-Oct-99, to lugnet.robotics.rcx.nqc)
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| | Re: Mechanical Motion Models
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(...) Interesting site. Too bad the imagery isn't a little larger. <ICS> (26 years ago, 27-Oct-99, to lugnet.robotics)
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| | RE: RIS1.5 scan
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(...) Ummmm, Jesper. I think it's OK to post scans of a few pages like you did last week. The art direction for the new Constructopedia is great and your scans helped show that. Posting the whole Constructopedia is probably in contravention of (...) (26 years ago, 27-Oct-99, to lugnet.robotics)
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| | RE: Group to discuss Teaching Lego Robotics?? lugnet.robotics.teaching ???
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Terry wrote (...) I'd like to participate in this too. I'm an engineer that has two kids in grade 2 and another starting K in two years. So I want to get things moving in the right direction up here too! Todd, how about it? A group for educators (or (...) (26 years ago, 27-Oct-99, to lugnet.robotics.rcx.nqc)
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| | Re: Sharp GP2D02 with out expansion board
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Gary, Cool! Could you tell me how you wired it up? I'm a real beginner here and don't know exactly what you mean on that web page by: "This example assumes that port PA5 on the Handy Board was connected to the input of the GP2D02 detector and that (...) (26 years ago, 27-Oct-99, to lugnet.robotics.handyboard)
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| | Re: Interests in non-GNU C compiler for RIS?
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(...) Ahah! Now *that* is interesting to me. Obviously (as the legOS HOWTO maintainer), a gcc replacement doesn't really interest me, unless you have a reliable solaris->h8300 cross-compiler, in which case maybe we can talk :) However, I think I (as (...) (26 years ago, 27-Oct-99, to lugnet.robotics.rcx)
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| | Re: Group to discuss Teaching Lego Robotics?? lugnet.robotics.teaching ???
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(...) have in (...) not the (...) I agree - a discussion group for teaching would be a very good thing. One of the highlights of my NQC workshops was when one kid excitedly ran up to me anxious to show me how he changed the program in the "exercise" (...) (26 years ago, 27-Oct-99, to lugnet.robotics.rcx.nqc)
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| | motor current trick
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I've got a great R/C track vehicle that I want to use as a robot chassis, problem is the 1 Amp motors. I was going to use Kam's suggestion, but then I saw the Sonar schematics. I noticed that the sonar schematics have power coming from the motor (...) (26 years ago, 27-Oct-99, to lugnet.robotics.handyboard)
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| | Re: fast firmware downloader
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(...) If there's interest in a stand-alone firmware downloader running on the Mac, please let me know. I can certainly add the approriate quad-speed stuff into NQC, and can also make a stand-alone version if Mac users are using pbFORTH or something (...) (26 years ago, 27-Oct-99, to lugnet.robotics.rcx.legos, lugnet.robotics.rcx)
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| | RE: fast firmware downloader
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(...) Count me in. I'm ditching the Tcl interface - it's just too damn goofy! A standard firmware downloader would be great - especially if it ran on all platforms. As far As I know, Dave Baum is the only guy here who has got a downloader for the (...) (26 years ago, 27-Oct-99, to lugnet.robotics.rcx.legos, lugnet.robotics.rcx, lugnet.robotics.rcx.pbforth)
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| | Re: motor current trick
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A couple of easy things that you can do to increase the current capabilities of the motor drivers are: (1) replace the L293Ds with SN754410 chips (available from Acroname), and (2) piggyback one H-bridge chip on top of the other to handle almost (...) (26 years ago, 27-Oct-99, to lugnet.robotics.handyboard)
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| | RCX 1.0 availablilty
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This is a message I posted on RTL: Here is what I have observed so far: The RCX's in the plain 1.0 boxes all have power jacks. The RCX's in the 1.0 boxes with 1.5 upgrade stickers also have the jacks The RCX's in the 1.5 boxes do not have power (...) (26 years ago, 27-Oct-99, to lugnet.market.shopping, lugnet.robotics.rcx)
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| | Re: Expansion Board and Smooth PWM
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Bill, after unzipping the files, copy all the downloaded drivers into your interactive C Libs directory. These drivers must reside in this directory (drive:\IC\Libs) in order for IC to load them at startup. You will be asked if you want to replace (...) (26 years ago, 27-Oct-99, to lugnet.robotics.handyboard)
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| | Re: Interests in non-GNU C compiler for RIS?
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Well, what I think (hope!) Richard means is... well... to start from scratch: The subsumption architecture is a way of thinking about programming robots. The idea is that you program lots of very small, simple modules that take simple inputs and (...) (26 years ago, 27-Oct-99, to lugnet.robotics.rcx)
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| | I've donated my body to sensors
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I was really inspired by the Mindfest panelists Karen Wilkinsen and Mike Petrich who talked about using Galvanic Skin Response sensors. This is the measurement of skin resistance and how it changes with emotional state. I've started to experiment (...) (26 years ago, 27-Oct-99, to lugnet.robotics)
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| | Re: Group to discuss Teaching Lego Robotics?? lugnet.robotics.teaching ???
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(...) I was moved and motivated too -- and had a great time overall. (And I didn't even get to see half of everything!) (...) Hmm, so there was no panel "by educators, for educators" to discuss meta-topics? How about workshops? I missed the (...) (26 years ago, 27-Oct-99, to lugnet.robotics.rcx.nqc, lugnet.admin.general)
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| | Debugging
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I am developing a course at SJSU using the handyboard as the microcontroller for a competition being held at the end of the semester. This new course have us build the handyboard from scratch and go through the debugging process. I have help some (...) (26 years ago, 27-Oct-99, to lugnet.robotics.handyboard)
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