[Zoltan] was developing a workshop on Matter for DEF CON, and wanted to whip up a fun IoT project to go with it. His idea was simple—take a simple toy train, and put it on the Internet of Things.

Add Yahoo as a preferred source to see more of our stories on Google. We tend to think of the current "digital age" as an unparalleled period of wonderful, almost daily innovation. The effect on the ...