CPX Werewolf Pack - animatronic tail and neopixel eyes

cpxWerewolfPack.py

import time
import pulseio
import board
import neopixel
import random
import adafruit_motor.servo
import audioio
from digitalio import DigitalInOut, Direction, Pull

# enable the speaker
spkrenable = DigitalInOut(board.SPEAKER_ENABLE)
spkrenable.direction = Direction.OUTPUT
spkrenable.value = True

pixels = neopixel.NeoPixel(board.NEOPIXEL, 10, brightness=.04)
pixelsx = neopixel.NeoPixel(board.A2, 8, brightness=.04)

RED = (255, 0, 0)
BLACK = (0, 0, 0)

pixelsx.fill(BLACK)
pixelsx.show()

# pixels.fill(BLACK)
# pixels.show()

# Initialize PWM output for the servo (on pin A2) and servo:
pwm = pulseio.PWMOut(board.A1, frequency=50)
servo = adafruit_motor.servo.Servo(pwm)

# wav 
audiofiles = ["wolf8x.wav"]
 
 
def play_file(filename):
#   print("playing file " + filename)
    f = open(filename, "rb")
    a = audioio.AudioOut(board.A0, f)
    a.play()
    while a.playing:
        pass
#   print("finished")
 

while True:
    for i in range(random.randint(1, 4)):
        pixelsx.fill(RED)
#       pixels.fill(RED)
        pixelsx.show()
#       pixels.show()
        time.sleep(.2)
        pixelsx.fill(BLACK)
#       pixels.fill(BLACK)
        pixelsx.show()
#       pixels.show()
    for i in range(random.randint(1, 2)):
        play_file(audiofiles[0])
        time.sleep(.6*random.random())
        
# leave eyes glowing...    
    for i in range(random.randint(0, 1)):
        pixelsx.fill(RED)
#       pixels.fill(RED)
        pixelsx.show()
#       pixels.show()
        
# Center tail vertically down
    servo.angle = 90   

# Wide tail wag
    for i in range(random.randint(0, 4)):
        servo.angle = 0
        time.sleep(.5)
        servo.angle = 180
        time.sleep(.7*random.random())

# recenter tail
    servo.angle = 90
    time.sleep(2*random.random())

# Narrow tail wag    
    for i in range(random.randint(0, 4)):
        servo.angle = 45
        time.sleep(.5)    
        servo.angle = 135
        time.sleep(.7*random.random())
    servo.angle = 90