import time, random, board, neopixel

def reihe(reihennummer, r, g, b):
    i = 0
    while i<8:
        pixels[8*(reihennummer-1)+i] = (r, g, b)
        i = i + 1
    return

WAIT = 0.1
BRIGHTNESS = 1
LED_PIN = board.GP0

MATRIX_WIDTH = 8
MATRIX_HEIGHT = 8

num_pixels = MATRIX_WIDTH * MATRIX_HEIGHT
pixels = neopixel.NeoPixel(LED_PIN, num_pixels, brightness=BRIGHTNESS, auto_write=True)


reihe(1, 255, 0, 0)
reihe(2, 255, 128, 0)
reihe(3, 255, 255, 0)
reihe(4, 0, 255, 0)
reihe(5, 0, 255, 255)
reihe(6, 0, 0, 255)
reihe(7, 255, 0, 255)