 | | RE: Custom Firmware, IR Problems, and Dead RCXs (long)
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(...) Actually, there's a regulator on the Tower that takes the voltage for the digital side to +5 and keeps it there. The capacitor is only rated for 10V. The higher voltage will allow higher current through the IREDs as they are connected right to (...) (23 years ago, 26-May-01, to lugnet.robotics.rcx)
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| | Re: Custom Firmware, IR Problems, and Dead RCXs (long)
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(...) I'm pretty sure I know your problem to your number 2... The IR Tower has no protection against higher power. Running an unregulated power source into the IR tower is not a good idea! Use a 9v regulator package (The little 3 prong packages with (...) (23 years ago, 26-May-01, to lugnet.robotics.rcx)
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| | Custom Firmware, IR Problems, and Dead RCXs (long)
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The following information is my own opinion and not endorsed or verified in any way by LEGO. That being said, I think that now is the time to relate some experiences I've had over the past couple of months with my RCX and IR tower - and it boils (...) (23 years ago, 26-May-01, to lugnet.robotics.rcx, lugnet.robotics.rcx.pbforth, lugnet.robotics.rcx.legos)
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| | Re: IR Tower Use
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(...) Not really -- the tower uses its own proprietary communcations format. It's similar enough to that used by remote controls that learning remotes can pick up the signals, but I haven't heard of anyone going the other way around. (23 years ago, 25-May-01, to lugnet.robotics.rcx, lugnet.robotics, lugnet.off-topic.geek)
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| | IR Tower Use
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I know this may be a bit off topic, but didn't know where else to post, I own an IR tower and remote control, and was wondering if it is possible to use the IR tower for other things. eg using PC + tower to control stereo/TV, or using IR remote to (...) (23 years ago, 25-May-01, to lugnet.robotics.rcx, lugnet.robotics, lugnet.off-topic.geek)
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| | problem with floating point numbers (legOS 0.2.5)
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Hi Here are two programs I've compiled and downloaded into my RCX. The first one works fine whereas the second doesn't (no music). Since the only difference between them is the type of the variable "number", I'm worrying about the ability of the (...) (23 years ago, 25-May-01, to lugnet.robotics.rcx.legos)
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| | Re: LVI install problems
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Had an error "C:\Program Files\JavaSoft\JRE\1...1\Classes" is not a directory, but I just created a directory there and now it's working fine. Thanks!! (23 years ago, 24-May-01, to lugnet.robotics.rcx.java)
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| | Re: LVI install problems
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At least it runs. :-) That error means that for some reason install could not create the directory .lvi in your windows directory. Check to see if you are able to create a folder in the Windows directory by hand, as this just calls "standard" java (...) (23 years ago, 24-May-01, to lugnet.robotics.rcx.java)
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| | Re: modulo in legOS 2.4 ?
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-----Original Message----- From: Ciaran Jessup <ciaranjessup@myrealbox.com> To: lugnet.robotics.rcx....lugnet.com <lugnet.robotics.rcx...ugnet.com> Date: 24. mai 2001 22:39 Subject: Re: modulo in legOS 2.4 ? (...) an (...) you (...) ah, i mean the (...) (23 years ago, 24-May-01, to lugnet.robotics.rcx.legos)
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| | Re: modulo in legOS 2.4 ?
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do you mean 3mod3 = 0 or mod(-3)=mod(3)= 3 ? If you mean the first then you want the %age operator, otherwise you want an 'abs' function not sure if legOS supports this as doesn't support floats(entirely), but you can always write a quick (...) (23 years ago, 24-May-01, to lugnet.robotics.rcx.legos)
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| | Win2000 and SP2
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Has anybody had problem running Robolab2 on a win2000 PC with SP2 installed?? I've recently tried to install Robolab on a PC at work and found that on loading it fails with an error message, I'll take care to remember the message if this rings a (...) (23 years ago, 24-May-01, to lugnet.robotics.rcx.robolab)
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| | RE: modulo in legOS 2.4 ?
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Ummm, that would be the % operator in C, right? (...) (23 years ago, 24-May-01, to lugnet.robotics.rcx.legos)
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| | modulo in legOS 2.4 ?
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hi all, just wonderin if there is such a thing as a modulo opperator in legOS 2.4 ? i checked the stdlib.h (which seems to be the place where the math functions are), but no luck. regards kenneth johansen kennethj@stud.cs.uit.no (23 years ago, 24-May-01, to lugnet.robotics.rcx.legos)
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| | Re: LVI install problems
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(...) Well, that seemed to do something. It finds install.class, but I get the error message "Error creating .lvi directory" Thanks for your help! -- Steve (ps my Learning Java book arrives from amazon.com today, so I've got to get this working! :O (...) (23 years ago, 24-May-01, to lugnet.robotics.rcx.java)
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| | Re: LVI install problems
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Try setting the classpath to point to the place where the install class is. I have this problem a few times, and most of the time I can't get it to work. :-( Most of the time people just have to experiment as very few ever seem to report having this (...) (23 years ago, 24-May-01, to lugnet.robotics.rcx.java)
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| | C++ and linux HELP!!!
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HI! I have the same problems as Vittorio's - we actually are working together :) - : the makefile.common in the legOS 0.2.5 version recall a g++ cross compiler instead of the cross version of gcc directly but among the tools provided there's only (...) (23 years ago, 24-May-01, to lugnet.robotics.rcx.legos)
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| | Re: LVI install problems
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(...) Yes, this is with the compiled classes. Trying from the source didn't work either. Could it have something to do with the CLASSPATH variable? I used the command set CLASSPATH=C:\Steve\L...\tools.jar before trying "java install" from the (...) (23 years ago, 23-May-01, to lugnet.robotics.rcx.java)
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| | Re: LVI install problems
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Which version did you download? I assume you got the compiled classes? If you downloaded the source, make sure all the classes are compiled, and that you are in the directory where the install class is. Andy (...) -- See my Visual Interface for (...) (23 years ago, 23-May-01, to lugnet.robotics.rcx.java)
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| | LVI install problems
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Given that I'm new to Java this is probably a silly question, but when I try to install LVI I get the error: C:\Steve\Lego\lejos\lvi>java install Exception in thread "main" java.lang.NoClassDefFoundError: install Java2 and LeJOS seem to be working (...) (23 years ago, 23-May-01, to lugnet.robotics.rcx.java)
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| | Re: Wishlist leJOS
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(...) You could use the JavaComm package, look on the Java website for it. It should not be that hard to set up the port, write to it, and then get replies back. Look at the other Java projects mentioned on (URL) to see how communication is done. I (...) (23 years ago, 23-May-01, to lugnet.robotics.rcx.java)
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