Carousel Code
The Following example is used in the Carousel demo to continuously spin the servo with a NeoPixel rainbow fade while playing an audio loop.
# SPDX-FileCopyrightText: 2024 Noe Ruiz for Adafruit Industries
#
# SPDX-License-Identifier: MIT
import board
import audiocore
import audiobusio
import audiomixer
from digitalio import DigitalInOut, Direction
import pwmio
import neopixel
from adafruit_led_animation.animation.rainbow import Rainbow
from adafruit_motor import servo
# enable external power pin
# provides power to the external components
external_power = DigitalInOut(board.EXTERNAL_POWER)
external_power.direction = Direction.OUTPUT
external_power.value = True
# i2s playback
wave_file = open("carousel-loop.wav", "rb")
wave = audiocore.WaveFile(wave_file)
audio = audiobusio.I2SOut(board.I2S_BIT_CLOCK, board.I2S_WORD_SELECT, board.I2S_DATA)
mixer = audiomixer.Mixer(voice_count=1, sample_rate=22050, channel_count=1,
bits_per_sample=16, samples_signed=True)
audio.play(mixer)
mixer.voice[0].play(wave, loop=True)
# servo control
pwm = pwmio.PWMOut(board.EXTERNAL_SERVO, frequency=5)
prop_servo = servo.ContinuousServo(pwm)
# external neopixels
num_pixels = 43
pixels = neopixel.NeoPixel(board.EXTERNAL_NEOPIXELS, num_pixels)
pixels.brightness = 0.3
rainbow = Rainbow(pixels, speed=0.05, period=2)
while True:
prop_servo.throttle = 1
rainbow.animate()
mixer.voice[0].level = 1
Your RP2040 Prop-Maker Feather CIRCUITPY drive should look like this after copying the lib folder, the code.py file and wand-mix-sfx.wav audio file
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