Amazon Echo’s built-in ultrasonic motion sensing can let you easily automate lights and fans with Alexa routines, without buying anything else.

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 ...

A new feature coming to Signify’s WiZ app this month can turn its smart bulbs and light fixtures into motion sensors. It automatically switches the lights on or off when it detects a person in ...