[Stef Cohen] decided to combine three different artistic mediums for her latest project. Those are painting, electronics, and ...

Arduino enthusiasts interested in creating a changeable RGB LED matrix might be interested in the new Pixie Chroma displays ...

8×8 LED Matrix modules are now widely available, and fortunately they are easy to use with our favorite Arduino microcontroller.

We never did crack open our Etch-a-Sketch, but we did scrape out a window large enough to really check out the mechanism inside.

for (uint8_t j = 0; j < RGB_MATRIX_LED_COUNT; ++j) { led[j] = (random8() & 2) ? (RGB){0, 0, 0} : hsv_to_rgb((HSV){random8 ...