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Esger Abbink wrote:
>
> In lugnet.org.ca.rtltoronto, Jeff Elliott writes:
> >
> > I was languishing at home today with a cold, and I got to thinking about
> > running trains with an RCX. I've been dreaming of having one or two
> > trains automated to pull into a station, wait, pull out again, etc. But
> > all this hinges on having the RCX know when the train is in the station.
>
> <snip>
>
> Hi Jeff,
>
> I'm not sure if you want to keep it a "100% lego" solution, but if not I
> think a reedcontact for magnetic detection might be simpler (and a lot
> smaller!). I dont know how well that would tie in with an RCX though. I have
> no experience with the things.
Yeah, I am after an all-Lego solution; not just for purity reasons, but
I'd be too worried about frying the RCX with my less-than-impressive
electornics skills.
Besides, given that my whole layout seems to be elevated 18 bricks high,
it's more the width of the package that matters.
I'm thinking of experimenting with one *beside* the track. My guess is
that since the coupling magnets can't rotate on a vertical axis, it'll
sense a single uncoupled car, even with the reset-magnet.
>
> And if you really want to make things interesting, have the trains run on
> the same track ;) (without collisions of course..)
Actually, I'm looking to see if I can't do this with my Control Lab.
Potentially four train sensors and four points sensors in one package,
and enough outputs to run 8 separate track sections. Wire it all into a
laptop and use TrackDesigner to create the images for my user interface
:)
I've had trouble with high loads and Control Lab outputs, though - I
think it's got some sor tof overload limiter than cuts in if you draw
too much current. :P
Jeff E
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Message has 1 Reply:
 | | Re: RCX Train Sensor
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| (...) I have created a very low-profile magnetic reed switch sensor for the RCX that I have used for years on NELUG's train layouts. The sensor lies in the railbed, and sticks up a single 2x4 plate above the railroad ties. This sensor is very (...) (22 years ago, 7-May-03, to lugnet.org.ca.rtltoronto, lugnet.trains)
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Message is in Reply To:
| | Re: RCX Train Sensor
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| (...) <snip> Hi Jeff, I'm not sure if you want to keep it a "100% lego" solution, but if not I think a reedcontact for magnetic detection might be simpler (and a lot smaller!). I dont know how well that would tie in with an RCX though. I have no (...) (22 years ago, 4-May-03, to lugnet.org.ca.rtltoronto, lugnet.trains)
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