Arch proportions - image and description of the use of arch in architecture.

Oval perfeito

Nice

Computer Power Supply to Bench Power Supply Adapter

Stupidly bright.

How A Diode Works

1 - 200 Transistor Circuits

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