The Open Book Touch also runs open source firmware. The default firmware features a UI framework called Focus, which is based ...

Technical Note: The microSD card must remain inserted permanently for Raspberry Pi 5 Windows 11 installations. It acts as the ...

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 ...

When an intense laser pulse hits a stationary electron, it performs a trembling motion at the frequency of the light field.

Should you spend some time around the less scientifically informed parts of the internet, it’s easy to find “Free power” stories. Usually they’re some form of perpetual ...

A few years ago, I committed what some in the AV space would call a cardinal sin: I added a lightstrip to the back of a TV.

In this video, learn how to make a custom edge-lit LED sign using laser engraving and woodworking techniques. I’ll show you how to design, etch, and light up your own sign — perfect as a framed ...