"In Area" vs. "At Point" Detectors (Video#40)

What can we do with "At Point" sensors compared to their "In Area" counterparts? Let's see how we can use each category for layout automation.

Reverse Loop animated GIF: https://www.pinterest.com/pin/147211481556914556/

Ernest the train spotter: https://www.thebattleforge.co.uk/ernest-train-spotter-with-camera-2516-p.asp

MegaPoint Controllers IR detector: https://www.youtube.com/watch?v=36PG7ViE-WY

Geoffrey McDermott’s System: https://www.youtube.com/watch?v=ZoBrUcp0AuQ&list=PLrA2wHV7HSm3lpWqyi4QQHHDVMjsbAy6n&index=2

Background Videos taken at: Hendersonville, NC Train Depot Model Railroad Layout https://www.avmrc.com/ ... https://www.youtube.com/watch?v=rFYWwiPCZ5Y