I am in process of adding a point- to- point trolley segment to my layout; this is comprised of 3 points A B C; what I need to find is a relay/switch that will trip the turnout as to direct the trolley : start at A follow to B then switch to C and back to B then on to A, repeating this trek continuously autonomously.
There are many relay choices available. Tailored suggestions could be offered if you provide more information. For example:
Do you have a relay triggering method in mind? Options could include: insulated rail, infrared or ultrasonic.
What kind of switch machines are on the turnouts you will be using?
Are you wanting to build your own logical control system with discrete components, use a programmable controller (like Arduino), or buy something purpose made?
What are the approximate lengths of each point to point run?
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