Developed by a Los Angeles-based startup of the same name, Beam is essentially an Android-based LED pico projector that can also serve as a smart LED light bulb. Screw it into an existing E26/E27 ...

Learn how to make your own smartphone projector at home using simple materials like a cardboard box, hot glue, and an incandescent light bulb. This step-by-step craft tutorial shows you how to ...