[ladyada] has a freshly-published and amazingly thorough tutorial on passive infrared (PIR) motion sensors. Most often seen in security floodlights and automatic doors, in creative hands these sensors ...

M y adventures of building a smart home on a shoestring budget are taking an interesting turn. It turns out that I don’t need ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. You’ve probably seen them—sensors watching from the corners of ...

There’s no shortage of ESP32 development boards out there, with many of them offering some “killer app” feature which may or may not align with whatever it is you’re trying to do. But if you’ve got a ...

Many Halloween animatronics that spring to life when you least expect it rely on a clever little device called a passive ...

OPTEX, the global leader in outdoor detection innovation, is pleased to announce the QX Infinity Series (QXI), a family of high or low mount outdoor PIR and dual-technology sensors that provide a 120° ...

In this YouTube video, the team from Mythbusters try to beat a thermal intrusion security sensor (a passive infrared sensor, aka PIR, that detects thermal differences). See how many attempts and what ...

The Baseus Security S2 Outdoor Camera 4K also boasts an 8-megapixel image sensor to record video in 4K Ultra HD resolution, ...

When it comes to modern electronics, the word “smart” seems to apply to almost every kind of device on the market, especially building automation products such as motion sensors and consumer products ...