If you need a seven-segment display for a project, you could just grab some LED units off the shelf. Or you could build something big and electromechanical out of Lego. That’s precisely what ...

The 8.5-watt LED bulb can display more than 16 million colors, and white color temperatures ranging from 2,700K (warm) to 6,500K (cool), with a maximum brightness of 1,000 lumens. Who It's For ...