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Except when, as has been said before, you get a really good short. (That is the "You could" part - it's still the load that's key, as you say.) Dennis (...) -- Dennis Williamson - Certified Y2K Complacent Bad News: The next millenium starts on a (...) (26 years ago, 17-May-00, to lugnet.robotics.rcx)
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| | Re: RCX AC adapter
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If you're talking about a _Lego_ 9V train, it's the same adaptor. Dennis (...) -- Dennis Williamson - Certified Y2K Complacent Bad News: The next millenium starts on a Monday. Good News: You get the day off. (remove .NO and SPAM. to reply) (26 years ago, 17-May-00, to lugnet.robotics.rcx)
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| | Re: RCX AC adapter
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(...) The current is determined by the load, not by the source. You could hook the RCX to a 9v 60A supply and it would be fine. (26 years ago, 17-May-00, to lugnet.robotics.rcx)
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| | Re: RCX AC adapter
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I've used my AC adapter from my 9V trains and I've had no problems. I think you can you any old adapter just make sure that you don't put too much current into the RCX or bye,bye.... E-mail lego about it, I did once to find out how much current the (...) (26 years ago, 17-May-00, to lugnet.robotics.rcx)
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| | RCX AC adapter
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Maybe a stupid question, Is there any reason why I can't use any old 9v AC adapter for my RCX? Thanks, Bob (26 years ago, 16-May-00, to lugnet.robotics.rcx)
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| | Re: proposed new word for deleting pbforth
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(...) As a guess the following string tells the ROM that there is valid firmware. This might need to be stepped on before jumping to the reset vector. .string "Do you byte, when I knock?" (26 years ago, 16-May-00, to lugnet.robotics.rcx.pbforth, lugnet.robotics.rcx)
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| | RE: proposed new word for deleting pbforth
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(...) Kekoa, feel free to jump in here... Personally, I think just jumping to the reset vector 0x0000 should do a total cold start, right? Cheers, Ralph Hempel - P.Eng ---...--- Check out pbFORTH for LEGO Mindstorms at: (URL) ---...--- Reply to: (...) (26 years ago, 16-May-00, to lugnet.robotics.rcx.pbforth, lugnet.robotics.rcx)
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| | proposed new word for deleting pbforth
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It would be handy if there was a word that deleted firmware. It is often inconvenient to get at the batteries. At Kekoa I see the opcode but no rom entry point. Trashing the header in memory and jumping to the reset vector might do it. I wonder if (...) (26 years ago, 16-May-00, to lugnet.robotics.rcx.pbforth, lugnet.robotics.rcx)
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| | New pbForth GUI
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I'd like to announce the availability of an early trial version of a GUI for pbForth. It's written in TclTk, a free scripting language, but that's transparent to the user. (URL) The GUI runs under Windows and Linux, and as soon as I can find a (...) (26 years ago, 16-May-00, to lugnet.robotics.rcx)
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| | University-Level ROBOLAB examples
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(URL) (26 years ago, 15-May-00, to lugnet.robotics.rcx.robolab, lugnet.robotics.rcx)
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| | Re: Web based control
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I did this a while back by calling functions in the spirit.ocx from an ASP page. I used it to control a webcam I made with an RCX and an old QuickCam. I ran it with Personal WebServer on a '95 box and IIS4.0 on my NT Server, but perhaps you can use (...) (26 years ago, 8-May-00, to lugnet.robotics.rcx, lugnet.robotics.tele)
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| | BEOS Version of NQC?
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Is there anyone out there that would be interested in creating and maintaining a version of NQC for BEOS? Dean -- Coin-Op's For Sale!: (URL) Lego Workshop: (URL) Lego Club: (URL) (26 years ago, 8-May-00, to lugnet.robotics.rcx)
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| | Re: Web based control
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(...) To answer my own question there is a group called lugnet.robotics.tele that is for the above use. Dean -- Coin-Op's For Sale!: (URL) Lego Workshop: (URL) Lego Club: (URL) (26 years ago, 8-May-00, to lugnet.robotics.rcx, lugnet.robotics.tele)
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| | Re: Web based control
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(...) There are a few of us working on the best solution. Maybe we can all get together and pool our resources. I'll ask Todd to create an WEB Control news group. Dean -- Coin-Op's For Sale!: (URL) Lego Workshop: (URL) Lego Club: (URL) (26 years ago, 8-May-00, to lugnet.robotics.rcx)
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| | Web based control
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I apologize if this question has been asked and answered, but searching through this group did not provide a solid answer. Can this be done.. I have a linux box running as a webserver. I would like to plug the IR unit to the serial port and be able (...) (26 years ago, 8-May-00, to lugnet.robotics.rcx)
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| | Re: Alternative Power Supplies
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(...) I'm actually working on a small device that will connect directly to the battery posts in the RCX/Scout. It uses a relay and a few diodes to protect the RCX from reverse polarity and overload. The relay will allow you to switch from internal (...) (26 years ago, 27-Apr-00, to lugnet.robotics.rcx)
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| | Re: Alternative Power Supplies
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Hello Kurt, I want show you three possiblities for alternative power supplies. 1. Take 2 sets of 6 NiMH accus or 2 * 6 NiCd accus to have one set inside the rcx an one set in the charger. This would be a very simple way to solve your problem. 2. The (...) (26 years ago, 27-Apr-00, to lugnet.robotics.rcx)
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| | Alternative Power Supplies
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I have an RIS 1.5 set, which doesn't have the power connector. I seem to run through a set of batteries in 1-2 weeks, which will eventually get very expensive. What ways are there, other than using rechargable batteries, to supply power to the RCX (...) (26 years ago, 26-Apr-00, to lugnet.robotics.rcx)
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| | Re: Desire Rack & Pinion design
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(...) Most of the official LEGO Technic models with steering use a rack and pinion system. You can visit Kevin Loch's unofficial scan repository to check out some of the designs: (URL) sets are in the 8000 range. Or you can simply buy a Technic set (...) (26 years ago, 24-Apr-00, to lugnet.robotics.rcx)
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| | Desire Rack & Pinion design
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Can anyone direct me to some decent pictures of a rack & pinion steering system? Thanks. Rossz (26 years ago, 24-Apr-00, to lugnet.robotics.rcx, lugnet.robotics.rcx.legos)
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