My favorite behavior was setting up a lamp near the downstairs landing with a smart bulb, and a motion sensor in the upstairs hallway/landing (through SmartThin

My favorite behavior was setting up a lamp near the downstairs landing with a smart bulb, and a motion sensor in the upstairs hallway/landing (through SmartThings). When someone approaches the stairs from either direction, the lamp flips on with a low brightness (in red), allowing easy navigation of the stairway.