Learn how to repurpose your spare ESP32 boards into cost-effective presence detection sensors using the Tommy Sense ...

A clock is by its very nature a device for measuring time, and thus it moves forward at a constant rate. But how about in a ...

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

It simply wasn’t practical to use active RTLS tags for high-volume, low-cost items like single-use containers, boxes and ...

Inductive sensors are non-contact proximity sensors that detect ferrous targets, ideally ones made of mild steel thicker than one millimeter. They consist of four major components: a ferrite core with ...

Leonardo’s SignalTrace adds wireless device detection to ALPR systems, raising new questions about roadside surveillance, ...

Though the risk is low, having your cards skimmed using RFID technology can cause a potentially major financial burden. The best RFID-blocking wallet helps keep you safe. Our editors and experts ...

They make footballs at the Wilson factory in Ada, Ohio. And since 2017 they've been making them a little differently for the NFL. A regulation-sized football weighs 400 grams (please, spare us your ...

ESP32s are surprisingly good AI lie detectors.

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 ...

Nanosensors are chemical or mechanical sensors that can be used to detect the presence of chemical species and nanoparticles, or monitor physical parameters such as temperature, on the nanoscale. They ...