Subject:
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Re: OK I hope I'm not beating a dead horse but check this out...
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Newsgroups:
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lugnet.org.us.nelug
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Date:
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Thu, 22 Jun 2000 12:41:38 GMT
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Viewed:
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1434 times
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In lugnet.org.us.nelug, Matthew Miller writes:
> Eric Kingsley <kingsley@nelug.org> wrote:
> > Now if we are interested that gives us about 6 months of lead time to put
> > something together. Maybe its only a 3x6 or 4x8 table that is mostly
> > buildings and a single oval of train track running around the outside or
> > maybe its something different.
>
> I'd be inta figuring out some kinda mindstorms thing for this. It'd be
> coolest if it's actually related to the train, not just a sideshow thing.
Well I have had one idea stuck in my head now for a while so I might as well
share it to see if someone could make it work. Actually I'm almost positive
you could make it work but until you have proof that it works thats hard to
say.
Here is what I feel would be required.
2 light bricks
2 light sensors
2 motors (maybe just 1)
1 programable brick
(Plus track and assorted other parts)
This is all for a crossing gate.
My Idea would have a light brick and a light sensor each facing each other on
opposite sides of the track. As the train approached the crossing it would
pass between the light brick and the light sensor breaking the connection.
This would trigger the two motors that are on opposite sides of the track at
the crossing each to lower a gate.
If its possible I would also turn off the origional light brick and turn on the
second light brick that is placed in a similar fashion on the other side of the
crossing gate with a light sensor also on the other side of it. Then when the
train passed through that light sensor connection the gate would raise and the
cycle would start over.
I think we could hide the motors inside of buildings like a gatehouse or
something similar. The light sensor and light brick could also be hidden
somewhat with scenery.
I don't think this is real complicated but I don't know for sure. I am sure we
could probably add some stuff into the gate like flashing lights and bells from
the brick if we wanted to too.
Eric Kingsley
The New England LEGO Users Group
http://www.nelug.org/
View My Creations at:
http://www.nelug.org/members/kingsley/
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