Running trains is always a great time. Yet the more you play with the trains, the more you would like automate something.  This is the start of the Smart Engineer. The BCC microBit is a pocket size computer, fully programable with 40 input/output ports. Interfacing this with the Lionel CommandBase will open up the possibilities to anything. Keep watching the Kentony Shops – Smart Engineer, for more examples of how to use it.