Silver-coated nanopillars selectively bind glucose in sweat, producing measurable light changes. A compact LED and Bluetooth module relay readings to a phone in real time.

ROME, ITALY - DECEMBER 6: A torchbearer shares the torch flame to Italian singer Achille Lauro carrie the 2026 Milan Cortina Winter Olympics torch in front of the Colosseum during the Torch Relay to ...

Most people think of AirTags when they picture a Bluetooth tracker. And indeed, Apple’s little white discs were once the only capable option, relying on a vast finding network of nearby iPhones to ...

With the ESP32-P4 not having any wireless functionality and instead focusing on being a small SoC, it makes sense to combine it with a second chip that handles features like WiFi and Bluetooth.

I've been a contributing editor for PCMag since 2011. Before that, I was PCMag's lead audio analyst from 2006 to 2011. Even though I'm a freelancer now, PCMag has been my home for well over a decade, ...

A fire detection and response system using the ESP32-S3 and MLX90640 IR thermal camera. Detects high-temperature zones via thermal imaging and triggers a relay-based actuator, sending real-time fire ...

I wanted to ask if it was possible to create an mini-app for Windows and co so they can relay Bluetooth traffic while the computer is one. The computer is doing nothing and its Bluetooth feature would ...