To update an old saying for the modern day, one man’s e-waste is another man’s bill of materials. Upcycling has always been in the hacker’s toolkit, and cellphones provide a wealth of resources for ...

Most people expect projectors to just work. But they often don’t. Cheap models promise big screens but end up blurry or washed out in daylight. Focus can be a pain, keystone correction isn’t always ...

Unlock the full potential of your smartphone flashlight with this easy DIY projector tutorial! Watch as we turn ordinary materials—just cardboard and a magnifying lens—into a powerful, focused light ...