This is part of [Henrik’s] Pixel Art Project. Video of DMA based SPI pixels after the break: For more DMA based WS2812B Pixels, check out a this PWM based version.

[Martin Hubáček] wrote in with his WS2812 LED library for the STM32F3 series processors. [Martin]’s library takes the same approach as [Paul Stoffregen]’s OctoWS2811 for the Teensy, and… ...

WS2812B & Arduino Earlier we controlled LED matrixes, strips and other complex LED projects bundled with countless interconnected wires with the help of multiplexers and shift registers.