30 LED Projects. Designs, schematics, e-book, and electronic symbols.
LEDs a 12V muy fácil …
How LED's Work? An LED is a special type of diode that is specifically optimized to give off light, usually in the visual or infrared spectrum, as electricity is passed through it. Tooling Parts @ http://www.ch-tech.ch
Treadle Lathe Designs | The Renaissance Woodworker