# SPDX-FileCopyrightText: 2023 Tim Cocks # # SPDX-License-Identifier: MIT """Volume Animation Example""" import board import neopixel from audiomp3 import MP3Decoder from adafruit_led_animation.animation import volume try: from audioio import AudioOut except ImportError: try: from audiopwmio import PWMAudioOut as AudioOut except ImportError: pass # not always supported by every board! # Fill in your own MP3 file or use the one from the learn guide: # https://learn.adafruit.com/circuitpython-essentials/circuitpython-mp3-audio#installing-project-code-3067700 mp3file = "happy.mp3" with open(mp3file, "rb") as mp3: decoder = MP3Decoder(mp3) audio = AudioOut(board.SPEAKER) strip_pixels = neopixel.NeoPixel(board.D4, 30, brightness=0.1, auto_write=False) volume_anim = volume.Volume(strip_pixels, 0.3, (0, 255, 0), decoder, 400) while True: audio.play(decoder) print("playing", mp3file) while audio.playing: volume_anim.animate()