Sometimes, projects start in somewhat unlikely places. This one began when [Istvan Raduly] scored a fake raven at a neighbor’s garage sale and decided to turn it into a thunder-and-lightning ...

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.

Once upon a time, there was a bit of a fad for fingerprint authentication in laptops and desktop computers. It has long since ...

Pacoima is hemmed in by highways and heavy industry, and its residents are fighting pollution with hyperlocal air quality monitoring Jose Luis Salas looks up at the ladder. “Are you ready?” he asks ...

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 ...

Sensors are devices that detect and quantify physical aspects of the world around us. The measurement can either be read directly or converted to a signal for processing by electrical, hydraulic or ...

Optical sensors are a broad class of device for detecting light intensity. This can be just a simple component for notifying when ambient light levels rise above or fall below a prescribed level, or a ...

From screw-in bulbs and colorful LED strips to table lamps and outdoor string lights, check out the top smart lighting we've tested for illuminating your space and setting the mood. I'm PCMag's ...

Installing a smart water sensor can save you a lot of money and hassle. The top leak detectors we've tested immediately alert you to issues and even shut off your home's water supply. I’ve been ...

Abstract: In the realm of monitoring systems, the need for advanced and accurate human detection has become increasingly vital for various applications, ranging from smart healthcare and monitoring to ...