Here’s another Trinket Contest entry that was interesting enough for its own feature. [Adam] made his own Hackaday version of the Bat signal. It’s not nearly as big, but the concept is the same. Using ...

If you had an array of high power addressable LEDs, how would you project them onto a wall? Perhaps you’d use a Fresnel lens, or maybe an individual lens on the top of each. [Joo] faced this problem ...

Samsung have announced a new projector, the SP-F10M, which at 1,000 ANSI lumens is the industry's first LED-based projector to hit the 1k mark. Intended more for business and educational use – though ...

The Asus S1 Mobile LED Projector ($319) is a handsome mini projector with a long battery life and the ability to charge other mobile devices attached to it. Its brightness and resolution are low for a ...

Most of my current work for PCMag is about printers and projectors, but I've covered a wide variety of other subjects—in more than 4,000 pieces, over more than 40 years—including both computer-related ...