Xiaomi recently released the MIJIA Night Light 2 which had a motion sensor and rotatable head recently under crowdfunding and the exercise was explosive. Xiaomi’s ecological chain company Yeelight has ...

Deep Roof Lighting has come up with an inexpensive and highly-effective daylight harvesting system that's easy to install in a variety of configurations. Priced at under $200, it can control mixed ...

The ideal HomeKit accessories run themselves. Turning off and on lights from an app is a nice feature, but it’s a similar level of effort to using a light switch. The real magic is when you can “set ...

This circuit shows how to use an ordinary LED as a light sensor. It makes use of the photovoltaic voltage developed across the LED when it is exposed to light. LEDs are cheaper than photodiodes and ...

Our team tests, rates, and reviews more than 1,500 products each year to help you make better buying decisions and get more from technology. The Philips Hue Motion Sensor will trigger your Hue light ...