Having recently moved into a new home, I wanted to set up HomeKit lights in the kitchen that would turn on and off automatically. Ideally. So I got some Philips Hue bulbs, an Eve motion sensor ...

If you can install a conventional outdoor light fixture, you can install a motion sensor light, although aiming and adjusting it takes extra effort.

A new technology that turns Zigbee-powered smart plugs, switches, and bulbs into motion sensors could be deployed to millions of devices with an OTA update.