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

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

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 ...

Abstract: Printed circuit boards (PCBs) are essential in electronic systems, providing mechanical stability and electrical connectivity. Their selection must align with the mission profile to ensure ...

Abstract: Power electronic converters often have non-sinusoidal voltages and/or currents but must perform calculations on individual harmonics of those waveforms, particularly the fundamental. If ...

Tiny robots small enough to slip through blood vessels are moving from speculative fiction into the medical lab, promising ...

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

Before we leap into the fray with gusto and abandon, if you are new to this series, you can quickly catch up with the rest of us by perusing and pondering our earlier columns (see Part 1, Part 2, Part ...

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