Yes. Most smart home motion sensors use PIR, or passive infrared technology, that detects nearby infrared light, letting them detect people and objects.

Lutron expands its Caséta Smart Lighting system with a motion sensor and a range-extending signal repeater The new gadgets announced at CES also work with Lutron’s Serena smart shades.

Michelin developed a smart lighting system for cyclists using proximity sensors and light sensors, making them more visible to motorists.