Merge pull request adafruit#2889 from adafruit/LEGO-carousel-propmaker

adding LEGO carousel propmaker project

Author: TheKitty

LEGO_Carousel_PropMaker/carousel-loop.wav

@@ -0,0 +1,43 @@
+# 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