Turnout position


Hi Folks!  I am new here and at age 81 decided to get into N scale.  What is the best way to feed turnout position info to software using KATO turnouts with NCE switch kat decoders?                                     

Don Vollrath

If you are using the NCE Switch Kat decoders be sure to look at They already have an indicator output. Then substitute in either one or two opto-isolators instead of the LEDs or incandescent lamps shown in the diagrams to indicate the last known turnout position . As other have said, then use the open collector output(s) of the opto-isolators to activate the input(s) of your favorite type of input device to get to software on your PC.