Speaking of physical controllers, you might be interested in learning more about physical controllers themselves, which are devices that enable interaction with various systems, including gaming and model railroading. If you’re curious about how digital commands communicate over tracks, check out this article on Digital Command Control (DCC), the standard used in model railroads to control trains and accessories. Additionally, for a deeper understanding of automation in model railroading, you might find the article on Computer-Based Control Systems insightful, as it explores how technology enhances railroading experiences.