An automatic toll gate system using Arduino revolutionises traditional toll collection by eliminating manual intervention.

A blast from the Elektor archives: this 1998 battery tester uses a simple LED display to reveal a battery’s true condition under load — even below 1 V.

Discover how to build a simple wireless power transfer system at home using readily available components like enameled copper wire, an LED, a 2N2222A transistor, and a 9V battery. This step-by-step ...

1. Joints - The Foundation of Movement Joints are the moving links in a robotic arm. They let the arm bend, rotate, or change ...

Using simple components such as oil, salt water, lipids and proteins, plus routine genetic engineering techniques, it is possible to create simple nanofluidic ...

Imagine wearable health sensors, smart packaging, flexible displays, or disposable IoT controllers all manufactured like ...

Single-phase power factor correction (PFC) circuits—a kind of front-end AC/DC converters—are ubiquitous in a variety of ...

Engineering toys give kids the opportunity to learn STEM subjects through hands-on play. They’re an engaging way for kids to ...

A team of researchers are developing a platform to 3D print affordable sensors for detecting environmental hazards.

The gorgeous soundscapes of 2025 were what we carried out of the theatre, off the couch, and away from the screen the most — here are the best original scores across film, TV, anime, and videogames th ...

Single-phase power factor correction (PFC) circuits?a kind of front-end AC/DC converters?are ubiquitous in a variety of consumer electronic devices, including laptop adapters, LED driver power ...

This Christmas, an educational platform is organising a fun and immersive STEM workshop for curious young minds ...