1  # SPDX-FileCopyrightText: 2018 John Edgar Park for Adafruit Industries
 2  #
 3  # SPDX-License-Identifier: MIT
 4  
 5  import time
 6  import board
 7  import digitalio
 8  import audioio
 9  import audiocore
10  import neopixel
11  
12  # user variables
13  pix_rate = 0.03  # Increase the number to slow down the color chase
14  blink_times = 2  # number of times the eyes blink between color chases
15  blink_speed = 0.1  # speed of the blinks, lower numbers are faster
16  rest_time = 3  # time between color changes e.g. '3' = 3 sec, '300'= 5 mins.
17  
18  #  setup
19  NEOPIXEL_PIN = board.EXTERNAL_NEOPIXEL
20  NUM_PIXELS = 30
21  pixels = neopixel.NeoPixel(NEOPIXEL_PIN, NUM_PIXELS)
22  
23  
24  led = digitalio.DigitalInOut(board.D13)
25  led.direction = digitalio.Direction.OUTPUT
26  led.value = True
27  time.sleep(0.5)
28  
29  ORANGE = (255, 30, 0)
30  PURPLE = (200, 0, 255)
31  RED = (255, 0, 0)
32  GREEN = (0, 255, 0)
33  BLACK = (0, 0, 0)
34  
35  COLORS = [ORANGE, PURPLE, RED, GREEN, ORANGE, PURPLE, RED]
36  
37  pixels.fill(ORANGE)
38  pixels.show()
39  
40  def color_chase(color, wait):
41      for i in range(NUM_PIXELS):
42          pixels[i] = color
43          time.sleep(wait)
44          pixels.show()
45  
46  
47  def blink(times, speed):
48      for _ in range(times):
49          led.value = False
50          time.sleep(speed)
51          led.value = True
52          time.sleep(speed)
53  
54  def play_waves(file_num):
55      wave_file = open(wave_files[file_num], "rb")  # open a wav file
56      wave = audiocore.WaveFile(wave_file)
57      audio.play(wave)  # play the wave file
58      while audio.playing:  # allow the wav to finish playing
59          pass
60      wave_file.close()  # close the wav file
61  
62  wave_files = ["alex_deepgrowl1.wav", "alex-highgrowl1.wav", "alex-squeal1.wav",
63                "toni-deepgrowl.wav", "toni-highgrowl2.wav","toni-pigsqueal.wav",
64                "toni-pitchedscream2.wav"]
65  audio = audioio.AudioOut(board.A0)
66  
67  while True:
68      for k in range(len(wave_files)):
69          blink(blink_times, blink_speed)
70          color_chase(COLORS[k], pix_rate)
71          play_waves(k)
72          time.sleep(rest_time)