Making an original Jubilee line door button into a Hue light switch

There are many things that make me extremely uncool, but one of my particularly nerdy interests is the London Underground. The evolution of its iconic map, showing long-forgotten stations; old wooden-floor train stock I remember from my childhood; the Hidden London tours of old stations, closed-off platforms and soot-covered stairwells with beautiful original tiling. "Station closed" poster at…