 | | Re: Power Functions infra-red RC protocol released!
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In lugnet.general, Jason J Railton wrote: <snip> (...) I'm runnign Dick Swan's alternate firmware that he sent me a while back. Dave K (17 years ago, 4-Feb-08, to lugnet.general, lugnet.technic, lugnet.trains, lugnet.robotics)
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| | Re: Power Functions infra-red RC protocol released!
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(...) I doubt that's possible - a bytecode program just can't run fast enough to do the timing for the IR commands, on either brick. The NXT can only manage it because it sends them over a slow comms link to a HiTechnic IRLink sensor, then that (...) (17 years ago, 3-Feb-08, to lugnet.general, lugnet.technic, lugnet.trains, lugnet.robotics)
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| | Re: Power Functions infra-red RC protocol released!
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(...) <snip> Nicely done John! Is there a tentative timeframe when NQC for the RCX will be updated to support IR to the LEGO powerfunctions? Dave K (17 years ago, 2-Feb-08, to lugnet.general, lugnet.technic, lugnet.trains, lugnet.robotics)
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| | Re: Power Functions infra-red RC protocol released!
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(...) In collaboration with Jason Railton I have modified/extended the NBC and NXC API functions for the HiTechnic iRLink device in support of the newly documented Power Function modes as well as the R/C Train IR protocol. I uploaded a new (...) (17 years ago, 1-Feb-08, to lugnet.general, lugnet.technic, lugnet.trains, lugnet.robotics) !
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| | Re: [Q] LEGO NXT Book Recommendation
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David, Zitat von David C Matthews <lego-robotics@crynwr.com>: (...) What does "standard for LEGO NXT" mean? There are a lot of NXT-related books out there already, and they deal with a variety of different topics (see for instance (URL) ). I guess (...) (17 years ago, 29-Jan-08, to lugnet.robotics)
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| | [Q] LEGO NXT Book Recommendation
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Greetings- What single book, if any, is considered the standard for LEGO NXT? -David (17 years ago, 29-Jan-08, to lugnet.robotics)
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| | New Power Functions Electronics Folder
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The new Power Functions Electronics folder in my Brickshelf: (URL) contains circuits and pictures of how to use electronics with your PF parts. So far there are PF lead mods, a light direction, latch and flash circuit, which can keep train lights on (...) (17 years ago, 29-Jan-08, to lugnet.technic, lugnet.trains, lugnet.general, lugnet.robotics, lugnet.loc.uk, lugnet.parts.mod)
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| | Re: Power Function control with RCX and BrickOS
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A new version of my Power Functins library and PWM remote are now available at: (URL) There was some code cleanup and fine tuning. The PWM remote program now goes from slowest to fasted speed. give it a try and thanks for all the feed back so far. (...) (17 years ago, 28-Jan-08, to lugnet.general, lugnet.technic, lugnet.trains, lugnet.robotics, FTX)
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| | Re: Power Functions infra-red RC protocol released!
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(...) Very good. Have you done experiments to map the power level settings to RPM? I am guessing that each of the 7 steps sets literally a power level (PWM width) and not a speed. Have you done experiments under load to see what happens to the speed (...) (17 years ago, 27-Jan-08, to lugnet.technic, lugnet.trains, lugnet.robotics, FTX)
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| | Re: Power Function control with RCX and BrickOS
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(...) Could it be that the long range mode of IR is not set (I saw no reference to range setting in your source, and I don't know the default state). Despite the difference in carrier frequency, the RCX 1.0 and RCX2.0 are able to dialog albeit with (...) (17 years ago, 27-Jan-08, to lugnet.general, lugnet.technic, lugnet.trains, lugnet.robotics)
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