1  # SPDX-FileCopyrightText: 2017 Limor Fried for Adafruit Industries
 2  #
 3  # SPDX-License-Identifier: MIT
 4  
 5  import time
 6  from rainbowio import colorwheel
 7  import board
 8  import neopixel
 9  from digitalio import DigitalInOut, Direction
10  
11  pixpin = board.D1
12  numpix = 5
13  
14  led = DigitalInOut(board.D13)
15  led.direction = Direction.OUTPUT
16  
17  strip = neopixel.NeoPixel(pixpin, numpix, brightness=1, auto_write=True)
18  
19  
20  def colorWipe(color, wait):
21      for j in range(len(strip)):
22          strip[j] = (color)
23          time.sleep(wait)
24  
25  
26  def rainbow_cycle(wait):
27      for j in range(255):
28          for i in range(len(strip)):
29              idx = int((i * 256 / len(strip)) + j)
30              strip[i] = colorwheel(idx & 255)
31          time.sleep(wait)
32  
33  
34  def rainbow(wait):
35      for j in range(255):
36          for i in range(len(strip)):
37              idx = int(i + j)
38              strip[i] = colorwheel(idx & 255)
39          time.sleep(wait)
40  
41  
42  while True:
43      colorWipe((255, 0, 0), .1)  # red and delay
44      colorWipe((0, 255, 0), .1)  # green and delay
45      colorWipe((0, 0, 255), .1)  # blue and delay
46  
47      rainbow(0.05)
48      rainbow_cycle(0.05)