circuit python on qt py board demo thumbnail image from adafruit.com code: qt py board, circuitpython rgb blink demo import board import time import neopixel led = neopixel.NeoPixel(board.NEOPIXEL, 1) while True: led[0] = (255,0,0) time.sleep(0.5) led[0] = (0,255,0) time.sleep(0.5) led[0] = (0,0,255) time.sleep(0.5)