To drive the LEDs, [Ole] is using an Arduino. Even though the WS2812s are individually addressable and only one data pin is needed, [Ole] is using five individual data lines for this matrix.

Our project is infact an Arduino with Serially Interfaced MAX7219 Operates an 8X8 LED Matrix to display a heart pattern. The MAX7219 IC is a serial input/output common-cathode display driver that ...

The Arduino can just increment the counter up to the appropriate LED. The Arduino then controls the state of the LED using the active high enable line from the column multiplexer chip.

Electronics enthusiasts that are looking for a project to keep them busy over the weekend may be interested in this awesome and massive Arduino powered LED scrolling sign which is being created by ...

LED Automotive Display System A dynamic LED matrix display system for automotive applications featuring sequential turn indicators, scrolling speed display, and cruise control status indicator. 🚗 ...