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 ...

Smartphone cameras are becoming smaller, yet photos are becoming sharper. Korean researchers have elevated the limits of next-generation smartphone cameras by developing a new image sensor technology ...

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 ...

Alexa Plus has introduced AI-powered features that go beyond basic tasks like timers and music. Even if you prefer standard commands, the assistant has many capabilities on Echo speakers and phones ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Claire Wilcox After a full round of new testing, we’ve added the Prostorm ...