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 ...

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 ...

The lightweight, ultraportable Acer K335 LED-based projector is about midway in brightness between standard portable data projectors and LED-based palmtop or micro projectors. Since 2004, I have ...

If you’re in the market for the best portable projector, look no further because DBPOWER’s RD-180 1200 Lumens LED Portable Projector is all you need in life. Insider Monkey secured a 20% discount code ...