https://www.hackster.io/news/david-johnson-davies-neopixel-driver-runs-happily-on-a-microchip-avr-microcontroller-8c450f2c13fe
David Johnson-Davies' NeoPixel Driver Runs Happily on a Microchip AVR Microcontroller - Hackster.io
Lightweight driver makes use of the chip's SPI peripheral to stream data at the right rate for WS2812 control.
david johnson davies