1  # SPDX-FileCopyrightText: 2017 Limor Fried for Adafruit Industries
 2  #
 3  # SPDX-License-Identifier: MIT
 4  
 5  import time
 6  import board
 7  from rainbowio import colorwheel
 8  import neopixel
 9  
10  pixpin = board.D1
11  numpix = 60
12  
13  strip = neopixel.NeoPixel(pixpin, numpix, brightness=1, auto_write=True)
14  
15  
16  # Fill the dots one after the other with a color
17  def colorWipe(color, wait):
18      for j in range(len(strip)):
19          strip[j] = (color)
20          time.sleep(wait)
21  
22  
23  def rainbow_cycle(wait):
24      for j in range(255):
25          for i in range(len(strip)):
26              idx = int((i * 256 / len(strip)) + j)
27              strip[i] = colorwheel(idx & 255)
28          time.sleep(wait)
29  
30  
31  def rainbow(wait):
32      for j in range(255):
33          for i in range(len(strip)):
34              idx = int(i + j)
35              strip[i] = colorwheel(idx & 255)
36          time.sleep(wait)
37  
38  
39  while True:
40      colorWipe((255, 0, 0), .05)  # red and delay
41      colorWipe((0, 255, 0), .05)  # green and delay
42      colorWipe((0, 0, 255), .05)  # blue and delay
43  
44      rainbow(0.02)
45      rainbow_cycle(0.02)