1  # SPDX-FileCopyrightText: 2022 Jeff Epler
 2  #
 3  # SPDX-License-Identifier: Unlicense
 4  
 5  import time
 6  import board
 7  from adafruit_neopxl8 import NeoPxl8
 8  
 9  # Customize for your strands here
10  num_strands = 8
11  strand_length = 30
12  first_led_pin = board.NEOPIXEL0
13  
14  num_pixels = num_strands * strand_length
15  
16  # Make the object to control the pixels
17  pixels = NeoPxl8(
18      first_led_pin,
19      num_pixels,
20      num_strands=num_strands,
21      auto_write=False,
22      brightness=1.00,
23  )
24  
25  while True:
26      for i in range(num_pixels):
27          pixels[i] = 0x00_01_00
28          pixels[i - 8] = 0x00_00_00
29          pixels.show()
30          time.sleep(1e-3)