14 lines
239 B
Python
14 lines
239 B
Python
from machine import Pin,PWM
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buzzer_pin = 11
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buzzer = PWM(Pin(buzzer_pin), freq=440, duty=0)
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def activate_alarm():
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for _ in range(3):
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buzzer.duty(512)
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utime.sleep(0.5)
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buzzer.duty(0)
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utime.sleep(0.5)
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