Fiddle yard controller fy_2

Some summarizing word about it:

  • Controls (with my circuit) up to eight rails
  • Direct DCC support, “Multiport” setup (
  • Position control solved with some kind of “P” controller
  • Position setup could be done with the implemented loco decoder mode or direct by changing CVs, for details please have a look at the header of fy_2.ino
  • Switching between the rail sensors possible (, “Shared sensors”)


The source code is available at:

And the schematics:



Don not forget to load the Arduino Duemilanove bootloader onto your microcontroller otherwise the serial upload and debug will not work!

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