 | | Re: How to control NXT motor's rotation by using LabView NXT Direct Commands?
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(...) The "motor unlimited" is designed to set the motor to run an unlimited distance. It's just a "turn motor on" type block. I think you want the "Motor Degrees" block, or something like that, don't you? (sorry, I don't have access to LV right (...) (18 years ago, 15-Dec-06, to lugnet.robotics)
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| | How to control NXT motor's rotation by using LabView NXT Direct Commands?
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hello,guys I want to use labview NXT Direct Commands to control my NXT . I connected PC and NXT through USB successfully, and also got the response form Sound Sensor. The sound level is used to specify the rotational distance of NXT motor in (...) (18 years ago, 15-Dec-06, to lugnet.robotics)
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| | Re: Almost Holonomic Drive Built With The NXT
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(...) Ah, now that is sweet. I hate that I missed that. It is very similar to the smaller RCX rama version below. (...) Hehe, I guess that qualifies it as a walker. Rich (18 years ago, 15-Dec-06, to lugnet.robotics)
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| | Re: Almost Holonomic Drive Built With The NXT
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(...) Yes, Steve Hasseplug: (URL) (...) You may use RCX motors with conversion cables. But rotation sensors help to coordinates motors to drive precisely in any direction. I love your toe-like "wheels" ;o) Philo (18 years ago, 15-Dec-06, to lugnet.robotics)
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| | Re: Almost Holonomic Drive Built With The NXT
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(...) Basically, it's a fancy word meaning that the robot is movable in every possible direction and can spin in every direction. A Killough platform is holonomic in a two dimensional world - it can move forwards, backwards, left and right - and (...) (18 years ago, 15-Dec-06, to lugnet.robotics)
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| | Re: Almost Holonomic Drive Built With The NXT
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"Rich Thompson" <rich@robotthoughts.com> wrote in message news:JAAttJ.I8z@lugnet.com... (...) Can you define "holonomic" as that word relates to this project of yours? I looked it up on dictionary.reference.com and it didn't find a dictionary entry (...) (18 years ago, 15-Dec-06, to lugnet.robotics)
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| | Almost Holonomic Drive Built With The NXT
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I have been working on a few different designs for a Lego Holonomic Drive or Killough Platform. I almost have the components right with the robot that I have built here: (URL) anyone else built this type of platform using the NXT set? I found this (...) (18 years ago, 15-Dec-06, to lugnet.robotics)
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| | Re: Locked motor
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I can't believe I didn't find the description on your site. It was the first place I looked!! Since no easy repair appears to be possible I've contacted the seller who has graciously accepted to take the motor back and give me a refund. Thanks to (...) (18 years ago, 12-Dec-06, to lugnet.robotics)
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| | Re: Locked motor
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(...) Hi all, Unfortunately, there are very little chance that you may repair your 71427. Most of the motors I have seen with locked shaft have their permanent magnet (made from sintered magnetic powder) partially turned back into powder. That's (...) (18 years ago, 12-Dec-06, to lugnet.robotics)
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| | Re: Locked motor
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(...) Concerning the motors... a while back I discovered that I had a number of the 71427 style motors that had been removed from ZNAP sets and never used (nor tested). Someone expressed an interest in buying them, so I got out the train power (...) (18 years ago, 12-Dec-06, to lugnet.robotics)
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| | Re: Locked motor
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(...) After doing some Googling... (URL) the internals of the 43362 motor and some of the 71427. Cheers, Merlin. (18 years ago, 12-Dec-06, to lugnet.robotics)
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| | Re: Locked motor
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(...) I have not taken my locked motor apart (see below) but if it is a gear that is stripped then, as a last resort, these can be replaced with a custom made one. If you are lucky enough to know someone who is a machinist, or in the local Model (...) (18 years ago, 12-Dec-06, to lugnet.robotics)
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| | Lego RCX &matlab
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Can any on successes with operating brickos & matlab ilan -----Original Message----- From: linmix [mailto:linmix@gmail.com] Sent: Tuesday, December 12, 2006 12:32 AM To: lego-robotics@crynwr.com Subject: Locked motor I've just received a 2nd hand (...) (18 years ago, 12-Dec-06, to lugnet.robotics)
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| | Re: Locked motor
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"linmix" <lego-robotics@crynwr.com> wrote in message news:457DDC45.306060...ail.com... (...) The 9v motor you mention may have come from an older set, I've had one motor which failed, I got it from the 8479 Barcode Truck set myself, when I opened (...) (18 years ago, 11-Dec-06, to lugnet.robotics)
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| | Locked motor
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I've just received a 2nd hand lego motor (peeron #71427), and to my surprise and (... well let's leave it at that) it's jammed. I remember seeing a website that showed the internals and possibly a way to solve this (except for complaining to the (...) (18 years ago, 11-Dec-06, to lugnet.robotics)
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| | Great FLL Video
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I saw this video of New Hampshire's state champion FLL team, the Flying Geeks. They flawlessly accomplish all of the missions -- the robot even makes a pit stop back at the base to pick up a new tool without the kids snapping it to the robot. Check (...) (18 years ago, 10-Dec-06, to lugnet.robotics)
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| | Re: monkey rail
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I'm not sure I understand what you mean by 'use locomotion' nor am I suer how a race would work, but your ideas are appreciated. I hadn't thought about not using electricity at all. The only train stuff I have is a couple of blue rails... another (...) (18 years ago, 9-Dec-06, to lugnet.robotics)
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| | Re: NXT trike
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Hey John, That's a really nice bot. I'd like to write an NBC program to make it autonomous using the Ultrasonic sensor. Have you thought about posting building instructions or at least pictures showing how you built it? Dave (18 years ago, 9-Dec-06, to lugnet.robotics)
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| | Re: monkey rail
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I see your point. Trouble is I don't have a 2nd RCX nor any real rotation sensors. Using the speed computers doesn't allow me to know if I'm rotating forwards or backwards. Still the device is impressive enough to give it a try. I'll just go with (...) (18 years ago, 9-Dec-06, to lugnet.robotics)
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| | Re: monkey rail
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(...) Hi, Think of it like a robot arm. You can't get the precise control without the onboard sensors. It operates almost like an extension of your fingers. Also you wouldn't be able to program autonomous routines. It also enables self centering on (...) (18 years ago, 9-Dec-06, to lugnet.robotics)
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