import digitalio
import board
import time

import neopixel

pixels = neopixel.NeoPixel(board.NEOPIXEL, 12, brightness=0.2)

first_key = digitalio.DigitalInOut(board.KEY1)
first_key.pull = digitalio.Pull.UP

while True:
    color = 0x000000
    if not first_key.value:
        color = 0xff0000
    pixels.fill(color)
    time.sleep(0.05)