Interesting Engineering

New air-powered battery includes built-in self-destruct for sensitive devices

Researchers develop a stretchable battery powered by air moisture with a built-in self-destruct feature for IoT devices.
Tech Xplore

Moisture-driven tech can power green batteries—and destroy spy gear

Researchers from North Carolina State University and Rice University have created a nontoxic, stretchable battery that operates by extracting moisture from the ambient environment—even in climates as ...
GitHub

SparkFun TMAG5273 Arduino Library

This is the SparkFun Arduino library for the Texas Instruments TMAG5273 low-power linear 3D Hall-effect sensor with I 2 C interface. This SparkFun Arduino Library for the Texas Instruments TMAG5273 ...
Elektor Magazine

Wi-Fi-Based Person Detection on an ESP32: When Your Router Becomes a Motion Sensor

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 ...
MUO on MSN

5 things to build with the $4 chip that's outselling the Raspberry Pi

The ESP32 keeps finding new jobs in my house.
IEEE

Investigating Carboxymethyl Cellulose in Aerosol Jet Printed Microwave Humidity Sensors

Abstract: This study presents a passive and chipless humidity sensor to monitor relative humidity (RH) continuously. The sensor is constructed on kapton substrates, a C-shaped resonator integrated ...
MUO on MSN

I tested Claude Code, Codex, and Antigravity on a real electronics project — only one actually finished

ESP32s are surprisingly good AI lie detectors.
IEEE

Arduino Uno-Powered Parking Guidance System with Ultrasonic Sensors

Abstract: Arduino Uno – Powered Parking Guidance System with Ultrasonic Sensors" is a smart and innovative solution for simplifying the parking process in crowded urban environments. This paper ...