wiring question

Needing help with location and number of AR1's required for the layout I would like to complete. I have had a few layouts previously and one that had created a revers loop at the turn table. The installation and use of the AR1 was easy to wire and install. I have torn down that layout, added a...

I'm having some troubles coming up with a solution for this and hope that someone can help. I'm modeling the Central Midland, which is an Atlas track plan. The yard is attached to the double mainline using a WYE. Control is coming from a Digitrax Super Empire Builder. I've read about...

I have in my possession a first generation QSI sound decoder without an upgrade chip that I would like to use as a stationary decoder mounted underneath the table and used for background sounds. My question is, does anybody know if I need to put a load, like a resistor across the motor leads on...