import time
from neopixel import Neopixel
pixels = Neopixel(17, 0, 6, "GRB")

colors = [
  [255, 255, 255],
  [0, 0, 255],
  [0, 255, 0],
  [255, 0, 0],
]

pixel_index = 0
color_index = 0
while True:
  pixels.set_pixel(pixel_index, colors[color_index])
  pixels.show()
  #print(pixel_index, colors[color_index])
  pixel_index += 1
  if pixel_index == 16:
    pixel_index = 0
    color_index = (color_index + 1)
    if color_index == 4:
        color_index = 0
  time.sleep(0.1)