The $10 ESP32 board has been a complete game-changer. It has helped transform my approach to building a reliable, customizable smart home. I’ve stopped using Big Tech’s smart speakers and embraced the ...

This article explains an upgraded smart solid-state AC switch system that uses microwave Doppler radar instead of traditional PIR sensors.

Standard industrial sensors detect specific physical properties like temperature, pressure, and presence/absence. They also respond to changes in such properties. As such, one may think the only ...

Move over, colonoscopies — researchers report in ACS Sensors that they’ve developed a sensor made of tiny microspheres packed with blood-sensing bacteria that detect markers of gastrointestinal ...

There are several cheap sensors that can help you build incredibly versatile devices without spending a lot. And, you won’t ...

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 ...