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lab02.py
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from machine import Pin,PWM
import time
buzzer = PWM(Pin(15))
buzzer.duty(512)
while True :
# buzzer.freq(392)
# time.sleep(.5)
# buzzer.freq(330)
# time.sleep(.5)
# buzzer.freq(330)
# time.sleep(1.)
# buzzer.freq(349)
# time.sleep(.5)
# buzzer.freq(294)
# time.sleep(.5)
# buzzer.freq(294)
# time.sleep(1.)
#
# buzzer.freq(261)
# time.sleep(.5)
# buzzer.freq(294)
# time.sleep(.5)
# buzzer.freq(330)
# time.sleep(1.)
# buzzer.freq(349)
# time.sleep(.5)
# buzzer.freq(392)
# time.sleep(.5)
# buzzer.freq(392)
# time.sleep(1.)
buzzer.freq(261)
time.sleep(.5)
buzzer.freq(294)
time.sleep(.5)
buzzer.freq(330)
time.sleep(.5)
buzzer.freq(261)
time.sleep(.5)
buzzer.duty(0)
time.sleep(.1)
buzzer.duty(512)
buzzer.freq(261)
time.sleep(.5)
buzzer.freq(294)
time.sleep(.5)
buzzer.freq(330)
time.sleep(.5)
buzzer.freq(261)
time.sleep(.5)
buzzer.duty(0)
time.sleep(.1)
buzzer.duty(512)
buzzer.freq(330)
time.sleep(.5)
buzzer.freq(349)
time.sleep(.5)
buzzer.freq(392)
time.sleep(.5)
buzzer.duty(0)
time.sleep(.1)
buzzer.duty(512)
buzzer.freq(330)
time.sleep(.5)
buzzer.freq(349)
time.sleep(.5)
buzzer.freq(392)
time.sleep(.5)
buzzer.duty(0)
time.sleep(.1)
buzzer.duty(512)