55 lines
1.6 KiB
Python
55 lines
1.6 KiB
Python
# SPDX-FileCopyrightText: 2018 Anne Barela for Adafruit Industries
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#
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# SPDX-License-Identifier: MIT
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import time
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import random
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import audioio
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import audiocore
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import board
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import neopixel
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from adafruit_crickit import crickit
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# NeoPixels on the Circuit Playground Express
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pixels = neopixel.NeoPixel(board.NEOPIXEL, 10, brightness=0.3)
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pixels.fill(0) # Off to start
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# PIR sensor on signal #1
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PIR_SENSOR = crickit.SIGNAL1
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crickit.seesaw.pin_mode(PIR_SENSOR, crickit.seesaw.INPUT)
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# Set audio out on speaker
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speaker = audioio.AudioOut(board.A0)
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audio_files = ["evillaugh3.wav", "laugh.wav"]
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# One motor
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motor_1 = crickit.dc_motor_1
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motor_1.throttle = 0 # off to start
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while True:
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pixels.fill(0)
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print("Waiting for trigger")
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while not crickit.seesaw.digital_read(PIR_SENSOR):
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pass
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print("PIR triggered")
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pixels.fill((100, 0, 0)) # NeoPixels red
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# Start playing the file (in the background)
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audio_file = open(random.choice(audio_files), "rb") # muahaha
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wav = audiocore.WaveFile(audio_file)
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speaker.play(wav)
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# move motor back and forth for 3 seconds total
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timestamp = time.monotonic()
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while time.monotonic() - timestamp < 3:
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motor_1.throttle = 1 # full speed forward
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time.sleep(0.25 + random.random()) # random delay from 0.25 to 1.25 seconds
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motor_1.throttle = -1 # full speed backward
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time.sleep(0.25 + random.random()) # random delay from 0.25 to 1.25 seconds
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motor_1.throttle = 0 # stop!
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# wait for audio to stop
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while speaker.playing:
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pass
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# clean up and close file
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audio_file.close()
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