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LED Matrix Cylinder — a blinkenlights tube
This project is from makeTVee on Instructables. The cleverness is in the layout and the really meticulous execution: vertical strips of LEDs form a cylinder in a laser-cut frame, with a very thin layer of wood veneer glued around the whole thing to act as a diffuser. It’s simple, but really rather beautiful and very effective.
In the case to the side is the Raspberry Pi Zero that’s driving the whole thing. Here it is doing its thing:
LED matrix cylinder based on WS2812 LEDs and some laser cutter parts. https://hackaday.io/project/162035-led-matrix-cylinder https://www.instructables.com/id/LED-Matrix-Cylinder/ #WS2812 #LEDcylinder
makeTVee has built a Pygame-based simulator of the whole matrix so you can program it to do exactly what you want: scroll marquee text, make pretty patterns, twinkle at random, display images: the world’s your (pixellated) oyster. The code’s available at GitHub.
Thanks, makeTVee — if you’d like to leave your real name below, we’ll credit you properly here!