python script that controls a neopixel led strip over artnet

neopixel-artnet.py

import board
import neopixel

from stupidArtnet import StupidArtnetServer

PIXELS_PER_UNIVERSE = 170 # do not change this! how many pixels each universe can fully support
UNIVERSE_TOTAL = 2 # how many universes it takes to show all pixels (todo: do this programatically)
PIXEL_COUNT = 300 # total amount of pixels driven by neopixel

UNIVERSES = {}

artnet = StupidArtnetServer()
pixels = neopixel.NeoPixel(board.D18, PIXEL_COUNT, auto_write=False, brightness=0.5)

for i in range(UNIVERSE_TOTAL):
	UNIVERSES[i] = artnet.register_listener(i)

while True:
	for u in range(UNIVERSE_TOTAL):
		buff = artnet.get_buffer(UNIVERSES[u])
		if len(buff) == 0:
			continue

		for i in range(PIXELS_PER_UNIVERSE):
			pixel = (u * PIXELS_PER_UNIVERSE) + i
			read = i * 3
			if (pixel >= PIXEL_COUNT):
				break

			pixels[pixel] = (buff[read], buff[read+1], buff[read+2])

		pixels.show()