How every "getting started" guide should read.

Can an ESP32 detect people without cameras or motion sensors? Discover how Wi-Fi signal disturbances, CSI, and smart DSP enable real-time occupancy and mov ...

The ESP32 keeps finding new jobs in my house.

I didn't expect to love it, and it has a learning curve, but the possibilities are endless.

The LED on your Amazon Echo Speaker has a number of color settings that tell you what's going on with your device. Here's ...

Tiny wells guide nano-LEDs into place, helping turn millions of small light sources into sharper headset display pixels.

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Megan Wollerton Our pick for simple control, the RCA Smart Wi-Fi A19 LED Bulb, ...

Red light therapy has long been used to reduce inflammation and improve skin texture, which is why LED devices are having a moment—you can reap some of the benefits without booking a professional ...

More than one-fifth of US electricity is used to power artificial lighting. Light-emitting diodes based on group III/nitride semiconductors are bringing about a revolution in energy-efficient lighting ...

Nasha is a Managing Editor for CNET, overseeing our sleep and wellness verticals. She is a nutrition, mental health, fitness and sleep science enthusiast. Her passion for mindful and holistic ...

Tyler has worked on, lived with and tested all types of smart home and security technology for over a dozen years, explaining the latest features, privacy tricks, and top recommendations. With degrees ...