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 ...

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 ...

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

In this project, I'll make a small circuit capable of blinking lights, on its output we get a digital signal that we can use to turn on and off an external light like an LED. This circuit uses the ...

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 ...

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 ...

Reducing the stubborn soft costs of solar + storage is a much-discussed topic that will only become more important as the ...

The event returns to Bristol during the late May Bank Holiday ...