 | | Re: 8475 and 8366 RC buggies Receiver unit
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(...) I dismantled the one from my 8475 because I was sick of the steering slightly over-running when it centred up again. It uses a quarter-gear a bit like the end of this bionicle piece: (URL) it makes electrical contact with a series of arcs (...) (17 years ago, 8-Feb-08, to lugnet.technic)
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| | 8475 and 8366 RC buggies Receiver unit
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So far so good. None of my two receiving units stopped working so far (bought the sets the year they came out). I am most nervous about the internal steering motor since should it fail, the entire receiving unit is useless. Anybody yet had one of (...) (17 years ago, 6-Feb-08, to lugnet.technic)
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| | Re: Power Functions infra-red RC protocol released!
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(...) rats! (...) Thanks for the heads up, John Looks like I really have to start brushing up on my NXT 'bot building now. 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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(...) Dick Swan's replacement RCX firmware also does not support directly manipulating the IR led and it doesn't support microsecond timing control. Both of these features would be required in order to send the IR messages to a Power Function or R/C (...) (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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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: New TECHNIC sets for Fall 2008
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Snippo (...) /Snippo Who puts LEDs in LEGO bricks? That's sooo 20th century... :-P (URL) 1980? reference> (URL) I assume these were LEDs, as I have never had the privelege of mutilating these for the sake of science. Anyway. I'm excited to see these (...) (17 years ago, 1-Feb-08, to lugnet.technic, FTX)
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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: New TECHNIC sets for Fall 2008
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(...) Looks like LEGO has finally updated their light units to make use of white LEDS. (I've been doing this for my models for the past several years...) I'm sure that some builders will find this set interesting, although I would personally be much (...) (17 years ago, 1-Feb-08, to lugnet.technic, FTX)
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| | Re: New TECHNIC sets for Fall 2008
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(...) The real stuff, not only the box, as befor. (2 URLs) See more (URL) (17 years ago, 1-Feb-08, to lugnet.technic, FTX)
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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: RSRA-2008
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After Ian and I did all the technical building creating our Robot Arms, it was time to build control cabins on top of the arms! I had fun and made not only a control cabin, but I figured all good robot arm's have a Castle at the back, right? (7 (...) (17 years ago, 28-Jan-08, to lugnet.technic, FTX)
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| | Re: I have 4 of the 9v geared motors. Any project ideas?
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"Sam Gardiner" <sentryiii@gmail.com> wrote in message news:JvBpLF.L71@lugnet.com... (...) (URL) (17 years ago, 28-Jan-08, to lugnet.technic)
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| | I have 4 of the 9v geared motors. Any project ideas?
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I have two 8735 sets and a Mindstorms set, so for power I have an RCX and two battery boxes. I've had 3 motors for a good 5 years now, so I ordered a second 8735 set and it arrived today. :) Any project ideas? Cool MOCs out there I could replicate? (...) (17 years ago, 27-Jan-08, to lugnet.technic)
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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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| | Re: Power Functions infra-red RC protocol released!
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(...) I just tried the new commands with a home-made NXT-controlled IR remote. I was able to get them to work without a problem. I verified the single-output PWM mode, which starts a motor at a given power level, in which it stays indefinitely (...) (17 years ago, 26-Jan-08, to lugnet.general, lugnet.technic, lugnet.trains, lugnet.robotics, FTX)
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| | Re: Power Function control with RCX and BrickOS
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(...) i have not really spent a lot of time trying to figure these modes out. i was more concerned with getting the PWM to work correctly. i'm going to spend more time testing this and will let you know. bob (17 years ago, 26-Jan-08, to lugnet.general, lugnet.technic, lugnet.trains, lugnet.robotics, FTX)
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