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

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

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

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 ...

A robotic arm design is a mechanical device which is designed to replicate the movements and functions of the human arm. It ...

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

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

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

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

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

From wiring to ventilation, Georgia’s updated codes could turn ordinary home elements into violations. Discover which ...

The bright blue Goodwill sign beckons like a lighthouse guiding ships to safe harbor – except in this case, it’s guiding bargain hunters to fashion treasures and household gems. Walking through the ...