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Content -> Hardware -> GCA
* The GCA modules
By Peter Giling
Description
Making barriers moving is easy now adays with servo motors.
But if we like to have this controlled the way it should, there is more needed than just the servo itself.
In the real world, for example, there is a system that senses when the tail of a train just has passed the crossing area, or counting all the whees/axes before and after the crossing.
That can be done in many ways, but it always com…
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