 | | 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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| | Re: train control
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(...) hi Juergen I tried it with load, and it works much better! Only that the speed is not very stable in the curves. (...) If i use a cycle of 10ms, then i could only use 10 different speeds, because the Thread.sleep has a resolution of 1ms... (...) (20 years ago, 8-Jul-04, to lugnet.robotics.rcx.java)
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| | Re: Communication Speed, PC -> RCX, LEJOS!
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(...) Hi Joe, Thank you for your fast reply, you are right, alle the 4 RCXs can see the tower, but I dont think thats the problem, since the problem also is present when only one RCX is turned on, or the other 3 are removed from the place. I only (...) (20 years ago, 7-Jul-04, to lugnet.robotics.rcx, FTX)
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| | Re: Communication Speed, PC -> RCX, LEJOS!
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From the picture (d1_p31) it looks as though all 4 RCXs can see the tower. I don't know anything about pcrcxcomm.jar or rcxf7port; and not much about lejos, however, if all 4 RCXs try to respond to the tower, you will have collisions. Try covering (...) (20 years ago, 7-Jul-04, to lugnet.robotics.rcx, lugnet.robotics.rcx.legos, lugnet.robotics.rcx.java)
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| | Communication Speed, PC -> RCX, LEJOS!
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Hi everyone, Im working on a project with controlling a large Container Crane by 4 RCXs. I have implementet some controlling and a lot of functions in the model, including a userinterface made in Java for a laptop. The crane is controlled by a (...) (20 years ago, 7-Jul-04, to lugnet.robotics.rcx.java, lugnet.lego.dacta, lugnet.robotics.edu, lugnet.robotics.rcx.legos, FTX)
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| | brickOS v1?
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Hi, I'd like to know if the v1 of brickOS with the support of the usb tower for linux (without patch) is going to come soon or not. Actually I have tried many things but without success. Thank's Nil (20 years ago, 7-Jul-04, to lugnet.robotics.rcx.legos)
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