Xephyr -dpi 100 :3 -screen 1800x1200 -dpi 100 ; DISPLAY=:3 twm ; DISPLAY=:3 ./start_ linux & Xephyr is like Xnest. It creates a virtual X Windows display in a window on your desktop.

Thereafter, set the DMX channel “d001” on the back of the light system thru the menu keys in the user interface. Note that this can be extremely different from device to device. To do this, it’s ...

Here, a common cathode 7-segment LED display is connected to Arduino for displaying the digits. The code (Arduino sketch) allows push button increment of the counter from 0 to 9. The whole circuit can ...

Powered by an Arduino Uno, the light painter provides a user interface on a 16×2 LCD which allows control over not only the brightness of the WS2812 LED strips but selecting and loading different ...

Sometimes, you just want to go big. Case in point, Make’s guide to make your gigantic, Jumbotron-esque LED video screen.The project here is powered by ...