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 ...

Taking your show on the road has never been easier, thanks to today’s incredible shrinking projectors. The latest ultraportable models are exceptionally small, lightweight, and easy to use. But these ...