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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 (...) (19 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 (...) (19 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. (19 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 (...) (19 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 (...) (19 years ago, 12-Dec-06, to lugnet.robotics)
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| | Re: NXT Firmware source code
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(...) ROSCO (19 years ago, 11-Dec-06, to lugnet.robotics.nxt)
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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 (...) (19 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 (...) (19 years ago, 11-Dec-06, to lugnet.robotics)
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| | Re: NXT Firmware source code
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(...) Thanks for the heads-up about this! (And also the pointer to the v1.04 firmware update, too!) It is amazing how far TLC has come since the early days of the RCX. Even for those who don't plan to change the firmware, there is certainly a lot to (...) (19 years ago, 11-Dec-06, to lugnet.robotics.nxt)
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| | NXT firmware v1.04
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LEGO has released an update to the standard NXT firmware. Version 1.04 is now available for download. (URL) Hansen (19 years ago, 11-Dec-06, to lugnet.robotics.nxt) !
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| | NXT Firmware source code
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LEGO has posted the standard NXT firmware source code today. You can get it on the NXT'reme page: (URL) direct link to a EULA is here: (URL) Hansen (19 years ago, 11-Dec-06, to lugnet.robotics.nxt) !!
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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 (...) (19 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 (...) (19 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 (19 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 (...) (19 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 (...) (19 years ago, 9-Dec-06, to lugnet.robotics)
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| | Re: monkey rail
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Hi, It occurs to me that if you use a pair of rotation sensors to manually control the structure the sensors that are embedded into the structure aren't really necessary ... or are they? What if you simply included a couple of clutches to protect (...) (19 years ago, 8-Dec-06, to lugnet.robotics)
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| | Re: monkey rail
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(...) Hello, It works like an interactive remote control. That way you can play with it and develop your skill. Vary few people have been able to walk the marble uphill on the first try. First RCX is for the base it has 2 motors and 3 rotation (...) (19 years ago, 8-Dec-06, to lugnet.robotics)
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| | Re: monkey rail
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Thanks for the offer. I hadn't thought about the programming yet. STil need to watch your videos to see how yours works. At the moment I'm trying to learn NQC. I thought the whole setup might be controlled with a single RCX (as appears to be the (...) (19 years ago, 8-Dec-06, to lugnet.robotics)
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| | Re: monkey rail
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(...) Linmix, Thanks for the compliment! Let me know if you need any help along the way including deciphering the BrickOS code. I used separate RCX's one for the base one for the rail. Unfortunately I never figured out LNP. I'm happy with the code, (...) (19 years ago, 8-Dec-06, to lugnet.robotics)
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