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(...) Well on the back of the LEGO train power supply it list Output as 12VAC 7VA, so I'm assuming that the DC conversion is done in the speed regulator, I couldn't tell you why. But it's good to know I can use this power supply with a 1.0 RCX since (...) (24 years ago, 23-Aug-01, to lugnet.robotics.rcx)
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| | Re: Be VERY careful with that train transformer (was:Proper power supply for a 1.0?)
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(...) heh, notice that the original question was about the "power supply that goes with the 0v train spee dregulator" - so we're talking about lego transformers, not just any train transformer. :) (24 years ago, 23-Aug-01, to lugnet.robotics.rcx)
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| | Re: Proper power supply for a 1.0?
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(...) true - but I think the RCX input is rated 9-12V. I don't have a train transformer here, but wouldn't it be outputing 12VDC? Can't imagine why they'd put a AC to DC converter in the regulator... Anyway, we've used the train transformers many (...) (24 years ago, 23-Aug-01, to lugnet.robotics.rcx)
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| | Proper power supply for a 1.0?
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What is the proper voltage for a external power supply for a 1.0 RCX? Can I use the power supply that goes with the 9v train speed regulator? I believe the train transformer outputs 12VAC. jt (24 years ago, 23-Aug-01, to lugnet.robotics.rcx)
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| | Feeding the RCX 1.0 from RIS 1.5
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Hi, I'd like to know what kind of adapter I could use (and how) for supplying my RCX with power, since it has no inlet. I have tried to use DC adapters for 6, 9, and 12 Volts, all without success. I connected them to the plates inside the battery (...) (24 years ago, 22-Aug-01, to lugnet.robotics.rcx)
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| | Re: Non Robot uses of the RCX
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Hi, I just remembered that just pressing the "respond" button doesn't work with this list, because you also have to change the address, so sorry Frank, you read the following already... OK, now for the message: I used it to generate a Minimum (...) (24 years ago, 21-Aug-01, to lugnet.robotics.rcx)
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| | Re: Non Robot uses of the RCX
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I calculated the acceleration of gravity once with a light sensor, touch sensor (for timing purposes), a ruler, and ROBOLAB 2. It didn't involve a whole lot of data so it didn't make it into the Sample Projects of ROBOLAB Investigator, but some (...) (24 years ago, 20-Aug-01, to lugnet.robotics.rcx)
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| | Re: Non Robot uses of the RCX
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(...) snip... (...) ...snip Frank, ROBOLAB provides some great datalogging possibilities, complete with calculation and charting capability. But then, you have to buy the sensors, offered through Pitsco LEGO Dacta and elsewhere. For example, with (...) (24 years ago, 20-Aug-01, to lugnet.robotics.rcx)
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| | Non Robot uses of the RCX
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Hello, Over in k12.ed.science a poster wanted to perform an experiment where he would time how long it took various objects to fall when dropped inside a long tube. He was looking for information regarding timing circuits, how to build one, where to (...) (24 years ago, 19-Aug-01, to lugnet.robotics.rcx)
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| | VLL macro blocks for RIS 2.0
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(URL) is a RIS 2.0 save file (you'll need to right-click and save it) that is a set of macro blocks to do VLL. After you open it, drag the big stack on the right into your My Blocks bin. It's hard-coded for port B, but is easily changed. I've been (...) (24 years ago, 19-Aug-01, to lugnet.robotics.microscout, lugnet.robotics.rcx)
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| | ROM of RCX 2.0?
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Hi, has anybody taken a look at the ROM of the RCX 2.0? Are there any significant changes? I'm looking in particular for changes in addresses of routines or data areas that could lead to interoperability problems. Jürgen (24 years ago, 16-Aug-01, to lugnet.robotics.rcx)
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| | (MS)2 Expander Web Site Updated
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I've updated my website with some changes to the building instructions for the (MS)2 Expander that might make it easier to build. (URL) Husby LUGNET Member #320 TFM's LEGO Workshop - www.akasa.bc.ca/tfm The Vancouver LEGO Club - www.akasa.bc.ca/vlc/ (24 years ago, 13-Aug-01, to lugnet.robotics, lugnet.robotics.rcx)
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| | Re: As promised - Mecha using RCX with MacNQC - Draft 1.
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I think you're off to a good start! You mention some problems that I think can be overcome, others I'm not sure about... but I'll offer my two cents anyway... (...) a) what's your gear reduction ratio? I see a worm gear in there, which is about the (...) (24 years ago, 11-Aug-01, to lugnet.build.mecha, lugnet.loc.au, lugnet.robotics.rcx)
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| | Re: As promised - Mecha using RCX with MacNQC - Draft 1.
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(...) I like the design, but as with most RCX-based walkers, it looks, well, 'clunky'. I realize this can't be helped considering the nature of what it is you are working with. I, too, have been working on a walker of this nature and have met with (...) (24 years ago, 11-Aug-01, to lugnet.build.mecha, lugnet.loc.au, lugnet.robotics.rcx)
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| | As promised - Mecha using RCX with MacNQC - Draft 1.
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Hi, well some weeks ago I promised that I'd begin a project of developing a Mech incorporating the RCX unit, some motors and sensors. Here is my very first attempt at a minifig scale Mech: (URL) RCX is programmed using MacNQC and at this stage only (...) (24 years ago, 11-Aug-01, to lugnet.build.mecha, lugnet.loc.au, lugnet.robotics.rcx)
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| | Re: Rechargeable Batteries
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(...) We'll have to feed it K'nex's, right? :-) (24 years ago, 10-Aug-01, to lugnet.robotics.rcx)
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| | Re: Rechargeable Batteries
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(...) "Definitive Guide" had a sentence or two suggesting rechargeable alkalines. I didn't go into any detail about the tradeoffs, though. I'm still waiting for "Mr. Fusion" :) Dave (24 years ago, 10-Aug-01, to lugnet.robotics.rcx)
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| | Re: SALE on Creative Projects with LEGO Mindstorms at Fatbrain!
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I have this book and highly recommend it! Ben did a great job! -Peter "Ben Erwin" <ben@alum.mit.edu> wrote in message news:GC5w3p.DGG@lugnet.com... (...) (24 years ago, 9-Aug-01, to lugnet.books, lugnet.robotics, lugnet.robotics.rcx)
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| | ECG sensor
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hi all, I've build and ECG sensor for the RCX, so for who is interested: (URL) also want to maintain an overview of avaliable bio-sensors, so if you have or see something interesting, please mail me, you can find the current biosensor-overview: (...) (24 years ago, 8-Aug-01, to lugnet.robotics.rcx)
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| | Re: Rechargeable Batteries
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Thanks to everyone who responded to this. As is usually the case on the web there was unanimous consent for ... Only kidding. I haven't yet decided how to go on this. I still have a bunch of alkaline AA's sitting around and with the kids starting (...) (24 years ago, 8-Aug-01, to lugnet.robotics.rcx)
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