 | | Re: Using the RCX for animating LEGO Train displays?
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NGLTC (and other train club) members have been getting creative with their mindstorms. 1) Rail Racers! 2) Lewis Valentine has made a working train drawbridge on the NGLTC layout. It's taken him a lot of tinkering, but it works very well! 3) Street (...) (20 years ago, 19-Jul-04, to lugnet.robotics.rcx)
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| | Re: Using the RCX for animating LEGO Train displays?
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(...) What can you do with an RCX? That doesn't sound very off-topic. :) (...) One name to start with: Brian Alano. He's a member of IndyLUG, and he's done some amusement park rides, and things like that. (...) Most of these things you can ask about (...) (20 years ago, 19-Jul-04, to lugnet.robotics.rcx)
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| | Re: Communication Speed, PC -> RCX, LEJOS!
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(...) Hi Roger, Thank you for your help, it is a bit strange that you dont see any problems, since it is the same protocols we are using. I dont think the joystick is the problem since I have the same problem with inputs from keyboard or mouse, but (...) (20 years ago, 19-Jul-04, to lugnet.robotics.rcx.java, lugnet.lego.dacta, lugnet.robotics.edu, lugnet.robotics.rcx.legos, FTX)
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| | Re: Using the RCX for animating LEGO Train displays?
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(...) Here is one place I've seen stuff that Dave has done: (URL) cross posted to RTLToronto, maybe one of the train guys there could help? -Rob A. (...) (20 years ago, 18-Jul-04, to lugnet.robotics.rcx, lugnet.org.ca.rtltoronto)
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| | pneumatic trouble
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Kevin- I am trying to build a heavy duty automatic truck transmission, and I have a few questions concerning pneumatics. 1) I did a few rough sketches of what the transmission would look like (the main part of it is the valve, which I originally (...) (20 years ago, 17-Jul-04, to lugnet.robotics.rcx.robolab, lugnet.robotics.rcx.legos, lugnet.technic)
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| | Using the RCX for animating LEGO Train displays?
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Please pardon the interruption, as this is probably a bit off-topic, and is more a distraction than a contribution at this point. ;-) I've been looking in the various LUGNET forums, hoping to find a link to a good page of clues for using the RCX in (...) (20 years ago, 15-Jul-04, to lugnet.robotics.rcx)
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| | Re: Light Sensor question
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(...) Sam, By default programming when you configure a sensor input to be a light sensor, it gives you back readings in the 0-100 range (i.e. percentage of the maximum possible reading). To get better resolution (which I expect you might want), you (...) (20 years ago, 15-Jul-04, to lugnet.robotics.rcx)
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| | Re: Light Sensor question
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Thanks, I'm picking up my mindstorm kit today and if I run into any problems, I'll post another quesiton. (20 years ago, 15-Jul-04, to lugnet.robotics.rcx)
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| | Re: RCX datasheet
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Hallo Andreas, (...) not that I know of, but take a look at (URL) , that should answer most questions. This is about RCX 1.0, but the 2.0 is identical w.r.t. software and very similar w.r.t. hardware. If you have further questions, don't hesitate to (...) (20 years ago, 15-Jul-04, to lugnet.robotics.rcx)
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| | Re: Light Sensor question
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(...) Try a DIY CdS cell. See details here; (URL) (20 years ago, 14-Jul-04, to lugnet.robotics.rcx)
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| | Re: Light Sensor question
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Basically there's enough light coming through that it would expose film quite quickly. Also, the ambient does have light in it. If the lego sensor isn't sensitive enough, could I easily replace it with another? (20 years ago, 14-Jul-04, to lugnet.robotics.rcx)
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| | Re: Communication Speed, PC -> RCX, LEJOS!
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(...) I could not repeat your experiment exactly because I don’t have a joy stick. So instead I wrote a pair of programs that send single byte messages between the PC and the RCX. The RCX adds 1 to the incoming byte and immediately send it back. The (...) (20 years ago, 14-Jul-04, to lugnet.robotics.rcx.java, lugnet.lego.dacta, lugnet.robotics.edu, lugnet.robotics.rcx.legos, FTX)
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| | RCX datasheet
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Hello Does anyone know, if any datasheets about the RCX 2.0 are existing? Greets Andreas (20 years ago, 13-Jul-04, to lugnet.robotics.rcx)
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| | ERIKA Educational 1.3
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Hi Guys! ERIKA Educational 1.3 is finally out! Check it out at (URL) version adds: * Wireless Ring (RF Transmission) support (Yes, our RF wireless gateway prototype is finally working!!!) * Preliminary Matlab code generation support * Preliminary (...) (20 years ago, 13-Jul-04, to lugnet.robotics.rcx)
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| | ROBOLAB Conference - July 15th Deadline
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Just a reminder: The deadline for submissions for session presentations for the ROBOLAB Conference is July 15th. Also, July 15th is the cut-off for early registration ($100). After July 15th, registration will be $125. The conference will feature (...) (20 years ago, 13-Jul-04, to lugnet.edu, lugnet.robotics.rcx.robolab)
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| | Re: train control
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Hi Daniel, (...) you can do more levels by something like the Bresenham algorithm, i.e. for speed 4.5 you turn it on for 4ms and 5ms of the 10ms alternatively. Though 10 levels should normally suffice, the standard LEGO train controller has fewer (...) (20 years ago, 9-Jul-04, to lugnet.robotics.rcx.java)
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| | Re: Light Sensor question
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(...) Sam, you need to tell us more about 'how much' light-tightness you want and if the ambient has some or no light at all. As an extreme example, in testing a photographic darkroom for light-tightness it is common to hang a few rolls of unexposed (...) (20 years ago, 9-Jul-04, to lugnet.robotics.rcx)
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| | Re: train control
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(...) The simple answer is "maybe"! If you have one handy, try it. I'm not sure whether the RCX will cope with a capacitive load rather than an inductive one, so I would advise you not to put the capacitor across the RCX output without a motor in (...) (20 years ago, 8-Jul-04, to lugnet.robotics.rcx.java)
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| | Light Sensor question
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I'm new to mindstorms so I have a simple question. At work, we're trying to measure the light tightness of rings. Basically this involves observing how much light passes through the outside edge of a ring. Is there any way a mindstorm light sensor (...) (20 years ago, 8-Jul-04, to lugnet.robotics.rcx)
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| | Re: train control
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Daniel: >> I want to use rcx to control a lego train, but the fact that lejos only >> have 7 levels makes it dificult to set the speed. > > Mark Bellis wrote: > > I think at the very least you need to smooth the power output of the RCX in > order to (...) (20 years ago, 8-Jul-04, to lugnet.robotics.rcx.java)
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