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 ...

[Markus] had been drooling over some LED panels to use as a soft light source for photography, but being a hobbyist, he didn’t want to spend a ton of money to buy them. He figured that he had enough ...

The rise of LEDs has changed lighting design in many ways, as they take up little space and draw such low power. The beauty of this DIY desk lamp is in its simplicity and ease of use. This LED desk ...