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July 24, 2024 17:14
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Capacitive Touch CircuitPython
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| # capacitive-touch.py | |
| import board, neopixel, time, digitalio, touchio | |
| from adafruit_led_animation.color import RED, YELLOW, ORANGE, \ | |
| GREEN, TEAL, CYAN, BLUE, PURPLE, MAGENTA, GOLD, PINK, AQUA, \ | |
| JADE, AMBER, OLD_LACE, WHITE, BLACK | |
| from audiocore import WaveFile | |
| try: | |
| from audioio import AudioOut | |
| except ImportError: | |
| try: | |
| from audiopwmio import PWMAudioOut as AudioOut | |
| except ImportError: | |
| print("This board does not support audio") | |
| # Set up our 10 NeoPixels on our board and call them "pixels" | |
| pixels = neopixel.NeoPixel(board.NEOPIXEL, 10) | |
| colors = [RED, YELLOW, ORANGE, GREEN, TEAL, CYAN, BLUE, PURPLE, | |
| MAGENTA, GOLD, PINK, AQUA, JADE, AMBER, OLD_LACE, WHITE, BLACK] | |
| # Setup capacitive touch pads | |
| touchpad_A1 = touchio.TouchIn(board.A1) | |
| touchpad_A2 = touchio.TouchIn(board.A2) | |
| touchpad_A3 = touchio.TouchIn(board.A3) | |
| # Audio setup for CircuitPlayground boards - can skip if only using external speaker | |
| speaker = digitalio.DigitalInOut(board.SPEAKER_ENABLE) | |
| speaker.direction = digitalio.Direction.OUTPUT | |
| speaker.value = True | |
| # use speaker location to creat an AudioOut object named audio | |
| audio = AudioOut(board.SPEAKER) | |
| # Setup path & filenames | |
| path = "drumSounds/" | |
| def play_sound(filename): | |
| with open(path + filename, "rb") as wave_file: # creates variable wave_file with data from file | |
| wave = WaveFile(wave_file) # converts data into a playable WaveFile | |
| audio.play(wave) # use audio object to play the WaveFile | |
| while audio.playing: | |
| pass # wait 'til audio is done | |
| while True: | |
| if touchpad_A1.value: | |
| pixels.fill(RED) | |
| play_sound("drum_cowbell.wav") | |
| pixels.fill(BLACK) # will turn off after sound is done playing | |
| if touchpad_A2.value: | |
| pixels.fill(ORANGE) | |
| play_sound("bd-zome.wav") | |
| pixels.fill(BLACK) # will turn off after sound is done playing | |
| if touchpad_A3.value: | |
| pixels.fill(YELLOW) | |
| play_sound("elec_hi_snare.wav") | |
| pixels.fill(BLACK) # will turn off after sound is done playing |
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