16 lines
442 B
Python
16 lines
442 B
Python
import time
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import board
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import pwmio
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piezo = pwmio.PWMOut(board.D2, duty_cycle=0,
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frequency=440, variable_frequency=True)
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while True:
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for f in (262, 294, 330, 349, 392, 440, 494, 523):
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piezo.frequency = f
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piezo.duty_cycle = 65536 // 2 # on 50%
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time.sleep(0.25) # on for 1/4 second
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piezo.duty_cycle = 0 # off
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time.sleep(0.05) # pause between notes
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time.sleep(0.5)
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