Subject:
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RE: LEGO Electro-magnet
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Newsgroups:
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lugnet.robotics
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Date:
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Sun, 15 Apr 2001 15:31:38 GMT
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Original-From:
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James Matthews <generation5@btinternet/avoidspam/.com>
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Reply-To:
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<jmatthews@generationANTISPAM5.org>
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Viewed:
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1578 times
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Thanks it worked! I had some magnetic wire from a Stiquito set I just built,
to I managed to get a simple one working, but I couldn't connect it to the
RCX for some reason. I'd attach it to one of the LEGO wires (do the order of
the connectors matter?) and it didn't work - but about 30 seconds later the
RCX would turn off, beeping wildly and complaining about the batteries
(little battery icon with a cross through it).
Any pointers? Thanks for the help so far.
James.
> -----Original Message-----
> From: news-gateway@lugnet.com [mailto:news-gateway@lugnet.com]On Behalf
> Of Joe Comeau
> Sent: 15 April 2001 15:37
> To: lego-robotics@crynwr.com
> Subject: Re: LEGO Electro-magnet
>
>
> I have been thinking about this very thing recently. It's actually pretty
> simply. For the simplest version, all you need is a nail or screw
> (preferably with a lot of soft iron in it, otherwise it will tend to stay
> magnetized to some extent once the current is stopped) and "magnet wire"
> which you can find a Radio Shack. Magnet wire is just really thin,
> insultated wire.
>
> Basically, you want to wrap the magnet wire areound the nail in an even
> coil. You shoul make at least 3 passes, but do not create a coil
> that's more
> than twice the size of the diameter of the nail. Also make sure
> that the two
> ends of the magnet wire are a opposite ends. That's really about it. Just
> attach the (stripped) magnet wire ends to a LEGO wire and your done.
>
> - Joe
>
>
> "James Matthews" <lego-robotics@crynwr.com> wrote in message
> news:MABBKIIIBOMODJGILHECIEKNCDAA.generation5@btinternet.com...
> > Hi there,
> >
> > Being a *complete* dufus when it comes to things like • electronics, I've no
> > idea how to start creating my own sensors, but I feel I have to start
> > somewhere.
> >
> > I've thought about creating a LEGO Electromagnet (uses the motor • connectors
> > to be turned on and off) so you can create robots that pick up • things. Any
> > ideas how I might go about doing this?
> >
> > Regards,
> >
> > James.
> >
> > - James Matthews
> > Generation5: http://www.generation5.org/
> > "...At the forefront of Artificial Intelligence..."
> >
> >
>
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Message has 1 Reply:
 | | Re: LEGO Electro-magnet
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| James Matthews <lego-robotics@crynwr.com> wrote in message news:MABBKIIIBOMODJG...net.com... (...) built, (...) of (...) the (...) I had the same battery warning when connecting some large non-Lego motors to my RCX, and I'm fairly sure the reason (...) (24 years ago, 15-Apr-01, to lugnet.robotics)
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Message is in Reply To:
| | Re: LEGO Electro-magnet
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| I have been thinking about this very thing recently. It's actually pretty simply. For the simplest version, all you need is a nail or screw (preferably with a lot of soft iron in it, otherwise it will tend to stay magnetized to some extent once the (...) (24 years ago, 15-Apr-01, to lugnet.robotics)
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