Subject:
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Re: Future GBCs
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Newsgroups:
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lugnet.org.us.laflrc
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Date:
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Tue, 18 Oct 2005 14:31:46 GMT
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Viewed:
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894 times
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On Mon, October 17, 2005 11:27 pm, John Brost wrote:
> Since I couldn't build tonight because I don't have a tv to watch the colts at
> my lego table
Things were not looking good when Payton first touched the ball and the score was
10-0... But, it all worked out in the end.
> , I worked on trying to figure out how to reduce the number of RCXs
> we need to control 2 GBC loading & unloading spurs. I came up with this (when
> it goes public)
> <link>http://www.brickshelf.com/cgi-bin/gallery.cgi?i=1441391</link>
>
> It reduces the number of RCXs we need down to 3 for the whole thing, and allows
> us to have a motor for unloading and loading on each spur. The only things I
> see as a possible problem is that there are 2 light sensors that must be hooked
> up 2 RCXs (is this a problem?) and if this works, there is a possibility of
> needing some VEEEEEERRRRRYYYY long wires. I don't think I've left anything out.
>
> Would this work?
Yes, this will work. It looks like a good way to divide the tasks between RCXs. We
can NOT connect 1 light sensor to 2 RCXs, but that's really not required. We just
place two light sensors at that location.
Can anyone else decode that drawing? :) Let me take a stab at it.
The black loop is powered by one or more train controllers. RCX #1 controls train
routing. The other two each work exactly like our current set-up, where it watches
the track-sensor, and works the train stations. The one addition is the need to
watch for passing trains, before allowing the local train to leave the siding.
Using the light sensor & touch sensor, RCX #1 can detect when a train is
approaching either station, and throw the switch (M). Of course the first thing
that SCREAMS at me is the fact that RCX #1 has an open motor & sensor port that
are going to waste. :) Perfect for adding another station, right? What about
adding a passenger station for the non-GBC train? Another RCX can control driving
it, and stopping it. It could also be a non-functional GBC, or something like
that.
So, the plan would be to use a light sensor to detect "any" train, and a touch
sensor to detect a GBC train. Here's a pretty cool train detection light sensor:
http://news.lugnet.com/org/ca/rtltoronto/?n=7281
or, a simpler idea:
http://www.brickshelf.com/cgi-bin/gallery.cgi?f=23494
Oh, and the really long wire thing... we've been there, done that.
Nice plan. I like it.
Steve
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Message has 1 Reply:
 | | Re: Future GBCs
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| (...) (OK, I've got to say my first impression was of an octopus on LSD, but actually after looking at it a bit that's a good diagram for this stuff. Thanks, John!). (...) Also, it means that RCX #2 is completely independant of RCX #3, meaning each (...) (19 years ago, 18-Oct-05, to lugnet.org.us.laflrc)
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Message is in Reply To:
| | Re: Future GBCs
|
| Since I couldn't build tonight because I don't have a tv to watch the colts at my lego table, I worked on trying to figure out how to reduce the number of RCXs we need to control 2 GBC loading & unloading spurs. I came up with this (when it goes (...) (19 years ago, 18-Oct-05, to lugnet.org.us.laflrc)
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