Excellent!  I also confirmed the chuff interface.  The smoke had me puzzled but thanks to you, I think I'm ready to test it out.  Many thanks again Stan.

Thanks Stan.  You may have a point regarding the LEDs, but I need to hook up the chuff sensor output to the trigger on the P8 sound card as this provides the speed input for proper chuff timing and other automatic sound generation.  Also, will need to know the voltage and current max for the smoke generator as I would like to control the off/on from the wireless controller.  No specs  or schematics are published from Bachmann.

Can you give me the specs, voltage and current, for control of the smoke generator and all LEDs, and the output spec for the optical chuff sensor on the C19?  I will be running on-board battery power.  I want to connect the chuff sensor to the G3 trigger input.  Any app notes using these controllers would be very helpful.