 | | RIS 2.0 or 1.5 (minimum requirements)
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I am going to buy the RIS 2.0, but I am not quite sure if I should better buy the RIS 1.5. That is, because my notebook (366 Mhz PII, 64 MB RAM, but only 2.5 MB Video RAM) does not fully meet the minimum requirements as stated by LEGO (what is (...) (23 years ago, 20-Mar-02, to lugnet.robotics.rcx.nqc)
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| | Re: motors are stuck...
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Here are some prehaps useful links (...) (23 years ago, 20-Mar-02, to lugnet.robotics.rcx.legos)
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| | LegOS newbie needs help
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Hi, I’ve LegOS up and running under Win2000 whit Cycwin and this works fine, but I missed the possibility of networking under LegOS. After reading some manuals I discovered WinLNP. So I downloaded this program And followed the install-instructions, (...) (23 years ago, 20-Mar-02, to lugnet.robotics)
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| | Re: How much can you shrink a dual differential drive?
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Miguel, The smallest design for an adder-subtracter I have seen online is by Denis Cousineau. You can find it at (URL) . However, you should know that his design, and one that he links to have inspired myself, and a few of my robotics friends to (...) (23 years ago, 12-Mar-02, to lugnet.robotics)
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| | Re: NY aqueduct tunnel inspector bot
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Chris, Actually it has been done! The University of Rhode Island Oceanography Undergraduate/Graduate Program entry to the 2000 International Autonomous Underwater Vehicle Competion (AUVISI - (URL) won the competition with a submersible whos engine (...) (23 years ago, 20-Mar-02, to lugnet.robotics)
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| | Re: How much can you shrink a dual differential drive?
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(...) Thanks a lot, Rosco. I think I'm going to go with Stefano Prosseda's variation, which you also mention on your webpage (URL) clearly didn't quite understand the concept and now see how my design had way too many gears only to accomplish (...) (23 years ago, 20-Mar-02, to lugnet.technic, lugnet.robotics)
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| | Re: How much can you shrink a dual differential drive?
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(...) snip (...) Here's yet another shrunken dual differential design. It uses worm gears to drive both differential housings as a space saving measure. This also the adds the feature (?) of a bit more gear reduction. There's a few pics of the (...) (23 years ago, 20-Mar-02, to lugnet.technic, lugnet.robotics)
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| | Sony's New Biped 'Bot
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Straight from the top of Sony Tower in Tokyo comes this press release on a newly developed "entertainment robot" - the SDR-4X: (URL) SDR-4X is without any doubt a prototype successor to the widely successful AIBO bot series. As always Sony haven't (...) (23 years ago, 20-Mar-02, to lugnet.org.ca.rtltoronto, lugnet.robotics)
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| | Re: Interesting but slightly off topic
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(...) For ~US$32k I'm guessing that some slight enhancements could be expected. The section referring to its ability to sing was amusing - just give it the music and lyrics (ie - program it) and it will sing on demand. Yeah, I had an Amiga once, (...) (23 years ago, 20-Mar-02, to lugnet.robotics)
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| | Re: How much can you shrink a dual differential drive?
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(...) Excellent color coding in your pics. Regrettably, I have no practical advice. When I built the differential drive in Dave Baum's book, I was dumbfounded by the principle. I look forward to to seeing what is clearly a demanding project. - Kyle (23 years ago, 20-Mar-02, to lugnet.technic, lugnet.robotics)
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| | Re: How much can you shrink a dual differential drive?
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(...) Well, I think several people have delved into this, but here's my contribution (URL) It doesn't solve the "dual speed" problem, but it's fairly small, and can be reduced further. ROSCO (23 years ago, 19-Mar-02, to lugnet.technic, lugnet.robotics)
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| | How much can you shrink a dual differential drive?
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Hi all, I've got an intriguing little MOC coming up that hopefully will interest both the technicheads and the robogeeks. It is a tracked vehicle with a twist, but you'll have to wait to learn all the details ;-) In the meantime, here is something I (...) (23 years ago, 19-Mar-02, to lugnet.technic, lugnet.robotics)
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| | BricxCC release 3.3.4.4
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I've released BricxCC version 3.3.4.4. It fixes a timeout problem when trying to find the Cybermaster brick (although not all users experienced this problem). It also fixes some problems on the Color tab of the Preferences dialog. It fixes the (...) (23 years ago, 19-Mar-02, to lugnet.robotics.rcx.nqc)
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| | Interesting but slightly off topic
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Sorry if this isn't the right forum, but ... (URL) like fun to me. Now if only we could find a way to pack that sort of CPU horsepower into a Lego brick ... hmmmmm. JB (23 years ago, 19-Mar-02, to lugnet.robotics)
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| | Re: RCX as a PGP engine
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(...) Definitely post it! Better than that, how about sending me the code and I'll add it to our robots section as a unique demonstration. (...) Shouldn't be a problem. Most of the source code in the official Sun package is easy to port to leJOS. (...) (23 years ago, 19-Mar-02, to lugnet.robotics.rcx.legos, lugnet.robotics.rcx.java)
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| | Re: H8 assembler
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(...) I'm not entirely sure why either, other than that it is extremely easy to add new language support to the editor component in BricxCC and I thought it would be cool if a user of BricxCC who also writes H8 assembler would be able to edit all (...) (23 years ago, 18-Mar-02, to lugnet.robotics.rcx.pbforth)
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| | RE: H8 assembler
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(...) No rest for the wicked, John. (...) I always specify the size. Some assemblers can infer the size from the operand, but it's usually better practice to specify it. The L suffix is not supported on the H8/300 variant used by the RCX. (...) I'm (...) (23 years ago, 18-Mar-02, to lugnet.robotics.rcx.pbforth)
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| | RoboTank a platform for triangulation
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Some days ago, i stared to build a tank like robot for my triangulation tests. Some pictures can be found at: (URL) Carsten (23 years ago, 18-Mar-02, to lugnet.robotics)
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| | Re: RCX as a PGP engine
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(...) I just 'ported' (euphemism for minor modifications) some code lingering on the web for fun and voila: MD5 on RCX is up and running (lejos). If anyone's interested, I can post the code. It allows for authentication (PC sends random challenge, (...) (23 years ago, 18-Mar-02, to lugnet.robotics.rcx.legos, lugnet.robotics.rcx.java)
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| | Re: motors are stuck...
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(...) This applies to the red 2x2 micromotor, not to the mini or power motor found in the RIS. I vaguely remember (try searching in LUGNET news) that the way to save a power motor, if at all possible, is to apply power in the right way, and not to (...) (23 years ago, 18-Mar-02, to lugnet.robotics.rcx.legos)
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