Using SwitchMaster With 3-Terminal Switches (from Curtis Roecks)

Using SwitchMaster With 3-Terminal Switches:

At 6:31 AM -0800 3/31/08, James Ingram wrote:
  • I think I saw a note somewhere in one of your emails, that switches that had 3 terminal inputs instead of 2 terminal inputs, could be wired up to the SwitchMaster, using diodes.
At 9:03 PM -0800 3/12/08, Curtis Roecks wrote:
  • If it has three terminals, then a two diode arrangement will also work.
  • This is how I control HO scale turnouts with a SwitchMaster.
  • . . .It's very easy. Please see the attached drawing.
(click image to view larger)