 | | Re: Power Function control with RCX and BrickOS
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(...) The toggle bit is checked in Single output mode (the documentation is not quite right for this mode) and in both single pin modes. each message is sent 5 times you need to toggle the toggle bit in every message sent. 0 1 0 1 0 1 0 1 etc. bob (17 years ago, 25-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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(...) This is great news indeed, thank you for posting. Has anyone tried the rc train remote on a power function reciver to see if it uses the single output pwm control signals? If not, hopefully the new RC train system will be compatible. It also (...) (17 years ago, 25-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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(...) I don't have BrickOS, but I have been playing with the protocols in NBC. I got the twin-motor PWM mode to work in tests, and the original 'Combo direct'. But I can't get 'Single output' or either of the 'Single pin' modes to work. Have you had (...) (17 years ago, 25-Jan-08, to lugnet.general, lugnet.technic, lugnet.trains, lugnet.robotics, FTX)
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| | Power Function control with RCX and BrickOS
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Now you can use your RCX to control LEGO Power Functions. That's right the RCX can act as a PF remote control but it can do something that the PF remote can't do yet. The RCX can do PWM with your PF reciever moduals. You do not need to install (...) (17 years ago, 25-Jan-08, to lugnet.general, lugnet.technic, lugnet.trains, lugnet.robotics, lugnet.announce, FTX) !
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| | Power Functions infra-red RC protocol released!
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(2 URLs) The LEGO company just released a document detailing the complete protocol used by Power Functions RC receiver. I host the document on my (URL) Power Functions presentation page>. As you can see this opens up a new world of possibilities... (...) (17 years ago, 25-Jan-08, to lugnet.general, lugnet.technic, lugnet.trains, lugnet.robotics, lugnet.announce, FTX) !!
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| | Re: Wheel design
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(...) Thanks for all the feedback. I was unable to post lately due to the fact that I am back in college and adjusting to that. It sounds like there are no TLC wheels that allow the swingarm to be in the centroid of the tire, but the 8466 rims come (...) (17 years ago, 24-Jan-08, to lugnet.technic)
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| | Re: RSRA-2008
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(...) Ian and I have completed our Robot Arms. We made several adjustments to the original design. Including an upgrade to the end effector. We removed the NXT motor and opted to use a 9v geared motor instead. The gripper now uses a clutch gear to (...) (17 years ago, 24-Jan-08, to lugnet.technic, FTX)
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| | Re: Electronic brick (1968) schematics?
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(...) Yeah, I understand. The standards on LUGNET have sunk to the point where just about *anyone* can post. I mean just *imagine* getting something as basic as that wrong... sheesh... (...) Funny, my students in my 100-level astronomy class said (...) (17 years ago, 22-Jan-08, to lugnet.trains, lugnet.technic)
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| | Re: Electronic brick (1968) schematics?
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(...) seen the whole thing. In reading through it, I recalled reading it when it was fresh but lost interest when some yahoo screwed up the 3-4-5 right triangle angle measures... I'll admit right here that I know nothing of these M and Q and A (...) (17 years ago, 22-Jan-08, to lugnet.trains, lugnet.technic)
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| | Re: Technicopedia Update
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I must say I this site is excellent. I'm really looking forward to seeing more, particularly from 1988-1996. It must take a lot of hard work to do all this and it is very greatly appreciated. To me technic has always been lego's flagship line of (...) (17 years ago, 21-Jan-08, to lugnet.technic, FTX)
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| | Re: Technicopedia Update
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(...) All of the remaining categories and comparisons have now been added including: Excavators, Backhoes, 4x4's, Fire Trucks, Big Rigs, Combines, Airplanes, Watercraft, Arctic Action Eric (URL) Technicopedia> (17 years ago, 21-Jan-08, to lugnet.technic, FTX)
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| | Re: Wheel design
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(...) Two wheel hubs come to mind that are quite deep. The hubs of the 8466 off roader (which are the same hubs as the silver champion) are quite deep. (URL) set (8466) also contains some good drive/steering/suspention parts, enought for all 4 (...) (17 years ago, 20-Jan-08, to lugnet.technic)
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| | Re: Wheel design
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(...) I think the wheels/suspension from the 8466 are pretty close to what you are looking for Tom (17 years ago, 20-Jan-08, to lugnet.technic)
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| | Re: Wheel design
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(...) There's quite a lot of room inside the silver wheels (URL) You may be able to do something with those. Owen (17 years ago, 20-Jan-08, to lugnet.technic)
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| | Re: Wheel design
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(...) If I'm interpreting right, I think what you are talking about is a way to make things so that if the wheels are turned in a stationary vehicle, there is no force to move the front end of the vehicle. The wheels turn around the spot where the (...) (17 years ago, 19-Jan-08, to lugnet.technic)
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| | Re: Wheel design
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"mikeheide" <mikeheide@web.de> wrote in message news:Juvytp.8M9@lugnet.com... (...) I think what he's saying is that most car wheel hubs are designed so that the centre of pivot for the wheel is around where the centre of the diameter of the hub (...) (17 years ago, 19-Jan-08, to lugnet.technic)
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| | Re: End effector that can "feel"
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(...) I was comparing sensor reading to sensor reading and your point compares sensor reading to motor on/off condition, which is even better. I have never considered your idea of motor stall. That is probably because I am notorious for high gear (...) (17 years ago, 19-Jan-08, to lugnet.technic, lugnet.robotics)
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| | Re: End effector that can "feel"
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(...) Nice. And I agree, nice-looking. I once Bricklinked some of those same "rubber skirt" pieces for this, but never did get them in an effecter that I liked (I was trying smaller at the time). Now I use the flexible 1x2 studless beams that first (...) (17 years ago, 19-Jan-08, to lugnet.technic, lugnet.robotics)
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| | Re: Wheel design
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(...) Sorry, but I do not understand what you are searching for! Can you put a picture or sketch on the net so I can have a look at this? cu mikeheide (17 years ago, 19-Jan-08, to lugnet.technic)
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| | Wheel design
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Has TLC or any builder on the net ever come out with a wheel rim that allows for the swingarm to be the centroid of the tire? It would make 4-wheel drive systems, steering systems and suspensions so much better. (17 years ago, 19-Jan-08, to lugnet.technic)
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