In this video, I'm exploring the use of Mini PIR Sensors with ESP32 with both Arduino-based projects as well as making a movement sensor for Home Assistant by using ESPHome. The sensor is quite ...

Upgrade your classic Lionel LLC postwar trains with wireless Bluetooth control using Arduino LLC. This project blends vintage rail nostalgia with modern technology, showing how to control your trains ...

Blue light is a high-energy part of visible light from the sun, screens, and light-emitting diode (LED) bulbs. Your cornea and lens don’t block blue light the way they block ultraviolet (UV) rays.

Forget keys! The top smart locks we've tested are secure, easy to install, and provide several convenient ways to control who can access your home and when. I'm PCMag's managing editor for consumer ...

With more than a decade of experience, Nelson covers Apple and Google and writes about iPhone and Android features, privacy and security settings, and more. Alexa Plus has introduced AI-powered ...

The use of automatic license plate readers has exploded across the country in recent years. The cameras on roads and freeways that take images of the back of passing cars are popular with police for ...

Autonomous cars need to see the world around them, kind of like we do, but with a lot more gadgets. They use a bunch of ...