Subject:
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Magnetic field activated switch
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Newsgroups:
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lugnet.trains
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Date:
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Fri, 30 Mar 2001 18:08:42 GMT
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Viewed:
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436 times
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Hi all,
I want to make a magnetic field activated switch for my level crossing, that
will activate when some sort of rolling stock comes near - it's annoying having
to dive at the switch every time a train goes through - it could damage my very
neat little town!!! Any of you lot know how to do this, send reply 2 this msg,
w/ details, btw, u can e-mail me w/ diagrams at samjh@hotmail.com - Ta!
Sam Hastings
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Message has 2 Replies:
 | | Re: Magnetic field activated switch
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| (...) I've got a better idea. Raise a length of track by a single plate, then leave two pieces completely unsupported. Just to one side of the join of these two, mount a microswitch under the track, or mount a Mindstorms touch switch vertically on (...) (24 years ago, 31-Mar-01, to lugnet.trains)
| | | Re: Magnetic field activated switch
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| (...) that (...) having (...) very (...) msg, (...) Hi Sam It's very easy to do, it's cheap and works perfectly well. Chris Phillips developed this technique, that's been widely explained and discussed in this thread: (URL) (24 years ago, 2-Apr-01, to lugnet.trains)
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