import time
import board
import neopixel

pixel_pin = board.D18
num_pixels = 5
ORDER = neopixel.GRB
pixels = neopixel.NeoPixel(pixel_pin, num_pixels, brightness=0.2, auto_write=False, pixel_order=ORDER)

print("Start")

pixels.fill((0,0,0))
pixels.show()

time.sleep(1)

print("loop")

while True:
    print("red")
    for i in range(0,5):
        pixels[i] = (255,0,0)
    pixels.show()
    time.sleep(1)

    print("green")
    for i in range(0,5):
        pixels[i] = (0,255,0)
    pixels.show()
    time.sleep(1)

    print("blue")
    for i in range(0,5):
        pixels[i] = (0,0,255)
    pixels.show()
    time.sleep(1)