 | | Kill / reset / power switch for RCX
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I manage to semi-regularly crash LegOS (usually thanks to wandering pointers) to the point where a firmware reload is required and the reset button combination doesn't respond. In order to save myself popping the batteries out every time, I decided (...) (24 years ago, 12-Dec-01, to lugnet.robotics)
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| | Re: Request for new P-code.s19
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Dan, I am also interested in obtaining the different flavors of the p-code floating around on the net. In my case I would like to also get one for an 20x4 LCD screen size. If there are any sites with them available or ones that might have a (...) (24 years ago, 12-Dec-01, to lugnet.robotics.handyboard)
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| | Re: Electro-magnets
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In message <145.625b6f1.2947e682@aol.com>, Styxrocks@aol.com writes (...) I was going to experiment with electromagnet cranes, like the ones you see at junk yards. I will try your suggestion (when I've finished my current project). I will also try (...) (24 years ago, 12-Dec-01, to lugnet.robotics)
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| | Re: marble rail
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Nice job, Chris! much more impressive than my seesaw... ((URL) you coordinate marble position and rail movement? If so, how ? A video clip and DAT files would be very appreciated ;o) Philo (24 years ago, 12-Dec-01, to lugnet.robotics)
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| | Re: marble rail
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oopse I forgot the link to the pictures (URL) (24 years ago, 12-Dec-01, to lugnet.robotics)
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| | marble rail
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I've uploaded pictures of this rcx controled rail.The purpose of this thing is to move a marble or two, back and forth.It uses a rotation sensor and 2 motors to pivot the whole thing left or right and a rotation sensor and a motor to move the rail (...) (24 years ago, 12-Dec-01, to lugnet.robotics)
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| | Re: Mario's new book...
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"Building Robots with Lego Mindstorms". I just got my copy today, and I'm thankful for the upcoming holidays; reading the book, learning from it and trying out the ideas will be taking up most of my free time from now until January. I've only had a (...) (24 years ago, 12-Dec-01, to lugnet.robotics)
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| | Mario's new book...
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hi everyone, Sorry for this repeat question... ...but was is name of Mario's new book. Thanks Q -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.6 (GNU/Linux) Comment: For info see (URL) PGP (...) (24 years ago, 12-Dec-01, to lugnet.robotics)
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| | Re: source of solar panels for Lego robots?
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Please check: (URL) Original Message ----- From: "Gareth Bestor" <bestor@cs.wisc.edu> To: <lego-robotics@crynwr.com> Sent: Wednesday, December 12, 2001 2:45 AM Subject: source of solar panels for Lego robots? (...) anything (...) (24 years ago, 11-Dec-01, to lugnet.robotics)
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| | Re: Electro-magnets
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IMHO is the easiest way to get strong electro-magnets to disassemble 6V relays. They include good electro-magnets. I did so and was able to hold a 500g hammer with two of them running at 6V. I used relays from FINDER (Series 55 if i remember right), (...) (24 years ago, 11-Dec-01, to lugnet.robotics)
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| | Re: Electro-magnets
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What is your plan for the electromagnets? If you can not find them, they are simple to make yourself out of fine insulated (varnished) copper wire. You will have to do a little bit of experimenting to get the streingth just right. Wrap the wire into (...) (24 years ago, 11-Dec-01, to lugnet.robotics)
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| | Electro-magnets
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I'm sorry if this is a bit off the subject- Does anyone know where you can get small electro-magnets in the UK? Nobody seems to sell them. I am thinking of making a robot with electromagnets. BEN (24 years ago, 11-Dec-01, to lugnet.robotics)
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| | source of solar panels for Lego robots?
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Can anyone recommend a good source to find relatively cheap, high-power, compact solar panels that could be wired together to power an RCX, or anything else for that matter. I've seen the Lego solar panel in Lego Dacta, but it seems to be very (...) (24 years ago, 11-Dec-01, to lugnet.robotics)
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| | Robot Controller
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This message announces the first beta release of Robot Controller, a new Mac OS X application for testing and controlling RCX-based robots (with the standard firmware). Download it from: (URL) me what you think! Barney. (24 years ago, 11-Dec-01, to lugnet.robotics.rcx)
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| | Re: Name of Robolab RCX2 Firmware file?
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Thanks again Dave. As it turns out, nqc on Mac OS X expects a firmware file with UNIX line endings. BBEdit Lite 6.1 for OS X did the job just fine. After saving with UNIX line endings, nqc was able to download the firmware. B. (...) (24 years ago, 11-Dec-01, to lugnet.robotics)
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| | Re: Request for new P-code.s19
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It just so happens that I did make a "merged" and cleaned up version of the Pcode source about a year ago. Like my libhb source, I can't guarantee that it works for everyone, but it seemed to work for me. I've just put it up for download at (URL) I (...) (24 years ago, 11-Dec-01, to lugnet.robotics.handyboard)
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| | Re: Name of Robolab RCX2 Firmware file?
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(...) NQC is picky about line endings for firmware files. On a Mac, it assumes Mac line ending, on Windows, it expects DOS endings, Unix for Unix. There are a few cross-platform combinations that work ok, but not all work. If you have BBEdit Lite, (...) (24 years ago, 11-Dec-01, to lugnet.robotics)
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| | Request for new P-code.s19
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There are several versions of the p-code floating around, one person wrote a nice smooth PWM version, and another wrote a no LCD version, and I've seen a few variations with different size LCD screens. I would like to officially request that someone (...) (24 years ago, 11-Dec-01, to lugnet.robotics.handyboard)
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| | Re: learning RoboLab (long)
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1. Click www.lego.com/dacta/I...tabase.asp 2. Click the "Quick" button. 3. Click "Search" button. (...) (24 years ago, 10-Dec-01, to lugnet.robotics.rcx.robolab, lugnet.edu, lugnet.dacta, lugnet.books, lugnet.robotics.scout, lugnet.robotics.vll)
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| | RE: compensating battery level
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(...) Current is a function of voltage when discussing a purely resistive circuit, however motors are a different subject entirely. The current limiting factor is the counter electromotive force (CEMF) that builds up when the motor turns. At start (...) (24 years ago, 10-Dec-01, to lugnet.robotics)
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