from machine import Pin
from neopixel import NeoPixel
from time import sleep

np = NeoPixel(Pin(12, Pin.OUT), 16); np.bright = 50

for count in range(5):

  np[0] = (int(255 * np.bright / 100), int(0 * np.bright / 100), int(0 * np.bright / 100))

  np.write()

  sleep(1)

  np[0] = (int(51 * np.bright / 100), int(255 * np.bright / 100), int(51 * np.bright / 100))

  np.write()

  sleep(1)

  np[0] = (int(51 * np.bright / 100), int(51 * np.bright / 100), int(255 * np.bright / 100))

  np.write()

  sleep(1)

for i in range(np.n): np[i] = (0, 0, 0)

np.write()