A blast from the Elektor archives: this 1998 battery tester uses a simple LED display to reveal a battery’s true condition ...

Discover how to create a functional DIY solar panel using a compact disc, copper foil, aluminum foil, and LEDs in this ...

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 ...

WD-40 is a versatile product that can be used for several applications, but is it safe to use on your electronics? Here's ...

Build festive decorations using Arduino and Raspberry Pi with these five creative holiday projects and video tutorials ...

The demand for convenient and reliable switching systems is increasing across homes, offices, and industrial environments.

A precision voltage divider produces a specific fraction of its input voltage using carefully matched resistive components.

Parabolic microphones blend geometry with acoustics to enable long-distance sound capture with surprising clarity.

Repair-resource giant iFixit has launched a new mobile app that brings the company’s massive library of step-by-step repair guides covering smartphones, laptops, and more to your phone. The app also ...

When the forecast calls for storms, don't hesitate to unplug this essential household appliance, or you may run the risk of a ...

Hidden nut camera uses a spring pin and a trimmed antenna for compact wiring, helping you stream wirelessly without bulky hardware.

Google Photos just picked up a massive upgrade on Android and iOS, complete with a redesigned video editor and new features to help you create polished highlight reels. The post Google Photos just ...