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In lugnet.technic, Brian Davis wrote:
> (...) For
> instance, tunnels and large layout out of line-of-sight on the RC should now be
> possible. You could run a large number of trains (more than four, or perhaps
> eight) as long as you were OK with only commanding them in a small "control
> zone".
Here's my fantasy: implementing prototypical ATC (Automatic Train Control)
signalling with sensors (e.g. counting coupler magnets, as the best functional
equivalent to axle counters) at block boundaries to detect block occupancy, and
IR beacons at signal locations to stop trains if/when necessary. Control would
happen with NXTs. For simple operations (automatic stop and start at signals)
one could devise simple microcontroller-based beacons that broadcast a "go"
signal (a given speed step and direction) when given an input and a "stop"
(speed 0) signal otherwise.
I'll try this out some day if I manage to gather up enough LEGO. For the time
being, I'll keep dreaming... (My trains are the eighties grey-rail 12 V type...)
Followups set to .trains.
--
Juhana Siren
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