 | | Re: Rotation Contacts
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Usually, I feed the wire through the center of the large turntable. This will tolerate several rotations. Of course, you have to unwind it from time to time. An example is on my five axis machine at (URL) solutions would be to drive through the hole (...) (25 years ago, 4-Jan-01, to lugnet.robotics)
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| | colleges && universities
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i am researching the use of lego mindstorms in the college classroom for an independent research project for honors..... if any of u go2 college and know of a class or something that ur college uses mindstorms for.... please give me the name of the (...) (25 years ago, 3-Jan-01, to lugnet.robotics)
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| | RE: Rotation Contacts
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Don't forget that the turntable has a very large hole in the center. You can run all kinds of things through this hole. That gives you a couple of alternatives: - You can run the wire for the motor through the large center hole of the turntable. (...) (25 years ago, 4-Jan-01, to lugnet.robotics)
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| | Rotation Contacts
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Has anyone ever tried to make a set of electrical contacts that allow rotation? What I want to do is have an electric motor on my crane using the large turntable from 8480 but I don't want a flopy wire in the way of rotation. Any ideas or thoughts (...) (25 years ago, 4-Jan-01, to lugnet.robotics)
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| | Star Wars ATAT-walker in Holland
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Hi, Does anybody know where I could buy the Star Wars ATAT-walker in Holland? I haven't seen it in any shop, except for the online one :) I would really like to see the box and take a look at the contents before I actually buy it. That's why I (...) (25 years ago, 4-Jan-01, to lugnet.robotics)
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| | Re: IR to Radio
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While observing this thread slowly unwinding here, I would like to point out that the PC/RCX communications is bi-directional making such things as remote control extenders not really applicable. I would like to hear about other people's experiences (...) (25 years ago, 3-Jan-01, to lugnet.robotics)
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| | Re: IR to Radio
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(...) Radio shack used to sell some which looked like little pyramids with a telescoping antenna; They were about 4" tall and 3" square at the base. The power supply was something like 9V, I don't know how many mA. (25 years ago, 3-Jan-01, to lugnet.robotics)
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| | Re: reading sensors on CM
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Hi :) [Note1: CM = CyberMaster; pBrick = { CM | RCX | Scout | RCX2 } ] [Note2: I think this could be usefull to others = CC:lego-robotics] [Note3: I'm showing source code done by Mark Overmars = CC:markov+lego] Well, all my PC apps were done with (...) (25 years ago, 3-Jan-01, to lugnet.robotics)
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| | Re: Use for Bad Lego Motor
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Even i have 3 motors that hardley move by hand I'm in india and i brought this kit and extra motors 1 1/2 years back ,, but i thought that as i just kept it like that and did not use it it got stuck . I never knew lego supplies bad motors ,, does (...) (25 years ago, 4-Jan-01, to lugnet.robotics)
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| | Re: Using laptop IR Port instead of the IR Tower
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Folks, Thanks for all the responses. It is too bad though. -Matt (...) (25 years ago, 3-Jan-01, to lugnet.robotics)
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| | Re: IR to Radio
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Infra-red "remote control" extenders are available, used with TV remotes to enhance their range. I'm pretty sure they work with radio, though I don't know about what size they are or what power supply they use. Henry (25 years ago, 3-Jan-01, to lugnet.robotics)
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| | Re: IR to Radio
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(...) (25 years ago, 3-Jan-01, to lugnet.robotics)
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| | Re: Use for Bad Lego Motor
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I learned a year ago that lego motors are very sensitive to drops. I had a contraption with 2 motors on my counter, and it fell off. When I tried to use it again, I discovered that they would not turn. I took them apart, and saw that the shafts had (...) (25 years ago, 3-Jan-01, to lugnet.robotics)
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| | Re: Using laptop IR Port instead of the IR Tower
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(...) No. LEGO and IrDA signals are modulated differently. Jürgen (25 years ago, 3-Jan-01, to lugnet.robotics)
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| | Robosports Instructions
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Hello all, I'm Peter. I have RCX 1.0 with mains adapter (from maplins, works great!) and Exploration mars, also Ultimate accsessory set (the remote rocks). I also have many other lego parts, and whish to make some robosports models, I have extra (...) (25 years ago, 3-Jan-01, to lugnet.robotics)
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| | Re: Use for Bad Lego Motor
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(...) It should spin easily with just fingertips against the cross-axle. It should continue spinning several rotations on its own inertia from a fast initial spin. (25 years ago, 3-Jan-01, to lugnet.robotics)
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| | Re: Use for Bad Lego Motor
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(...) Wait until after you get the new motor from LEGO. Sometimes they WANT the old motor back. I seem to be the king of bad motors. (7 at last count out of 16) All DOA. Lego has asked for about half of them back. I have one motor that spins fine (...) (25 years ago, 3-Jan-01, to lugnet.robotics)
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| | Re: Power inlet to RCX 1.5?
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(...) Short answer is yes. Check out this thread at Lugnet: (URL) 2) 130mA. Is that enough? I'm not sure how the RCX works internally, but the (...) Short answer is no. A single motor can draw 100mA. (25 years ago, 3-Jan-01, to lugnet.robotics)
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| | Using laptop IR Port instead of the IR Tower
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Hey folks, Has anyone been able to use a Thinkpad IR Port to talk to the RCX? I have been programming the RCX using spirit.ocx. All is well with the IR Tower connected to a serial port. I would like to get rid of the IR tower and use the built-in IR (...) (25 years ago, 2-Jan-01, to lugnet.robotics)
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| | Re: Help! I think I nuked my IR transmitter!
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John Phillips here, I hope this comes out on the correct thread. I'm not quite sure how to post replies, if it does't any help on how to post replies would be appreciated. Monday after reading a few suggestions I thought I'd try again, well this (...) (25 years ago, 3-Jan-01, to lugnet.robotics)
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