Normally, when a project calls for addressable LEDs, we just throw a strip of WS2812s and an Arduino together, cobble together some code from the examples in the FastLED library, and call it a day.

[Hoolio] took this as a challenge and created his own Arduino blinkenlight project that emulates Space Invaders on a 5×5 matrix of LEDs The board is just a buzzer, 25 LEDs, 10 transistors ...

As summers become hotter, finding creative ways to stay cool is becoming increasingly important. One fun DIY project ... LED display. Assembly is straightforward: Connect the components to the ...