1  # SPDX-FileCopyrightText: 2021 Kattni Rembor for Adafruit Industries
 2  #
 3  # SPDX-License-Identifier: MIT
 4  
 5  """
 6  NeoPixel example for Pico. Turns the NeoPixels red.
 7  
 8  REQUIRED HARDWARE:
 9  * RGB NeoPixel LEDs connected to pin GP0.
10  """
11  import board
12  import neopixel
13  
14  # Update this to match the number of NeoPixel LEDs connected to your board.
15  num_pixels = 30
16  
17  pixels = neopixel.NeoPixel(board.GP0, num_pixels)
18  pixels.brightness = 0.5
19  
20  while True:
21      pixels.fill((255, 0, 0))