Still doing research on DCC-EX. Here's an glimpse of I2C IO expander board.

[@scentgrasslakerailway]

Thanks!

[@mikep95133]

Sweet !! Thanks for keeping us in the loop Bill !!!

[@BillMastersMRR]

You bet! :)

[@donaldkormos5529]

Thanks for the tip ... didn't know about the MCP 23017 I2C expander ...

[@BillMastersMRR]

I have yet to be able to get that one to work, but it's supported by DCC-EX.