from machine import Pin, PWM
from time import sleep

buzzer = PWM(Pin(32,Pin.OUT))

def buzz(freq,masa):
    buzzer.duty(50) #on buzzer
    buzzer.freq(freq)
    sleep(masa)
    buzzer.duty(0) #off buzzer           

while (True):
    buzz(262 ,0.2)
    buzz(1 ,0.2)
    buzz(262 ,0.2)
    buzz(1 ,0.2)
    buzz(392 ,0.2)
    buzz(1 ,0.2)
    buzz(392 ,0.2)
    buzz(1 ,0.2)
    buzz(440 ,0.2)
    buzz(1 ,0.2)
    buzz(440 ,0.2)
    buzz(1 ,0.2)
    buzz(392 ,0.5)
    buzz(1 ,0.5)

    buzz(349 ,0.2)
    buzz(1 ,0.2)
    buzz(349 ,0.2)
    buzz(1 ,0.2)
    buzz(330 ,0.2)
    buzz(1 ,0.2)
    buzz(330 ,0.2)
    buzz(1 ,0.2)
    buzz(294 ,0.2)
    buzz(1 ,0.2)
    buzz(294 ,0.2)
    buzz(1 ,0.2)
    buzz(262 ,0.5)
    buzz(1 ,0.5)

    buzz(392 ,0.2)
    buzz(1 ,0.2)
    buzz(392 ,0.2)
    buzz(1 ,0.2)
    buzz(349 ,0.2)
    buzz(1 ,0.2)
    buzz(349 ,0.2)
    buzz(1 ,0.2)
    buzz(330 ,0.2)
    buzz(1 ,0.2)
    buzz(330 ,0.2)
    buzz(1 ,0.2)
    buzz(294 ,0.5)
    buzz(1 ,0.5)

    buzz(392 ,0.2)
    buzz(1 ,0.2)
    buzz(392 ,0.2)
    buzz(1 ,0.2)
    buzz(349 ,0.2)
    buzz(1 ,0.2)
    buzz(349 ,0.2)
    buzz(1 ,0.2)
    buzz(330 ,0.2)
    buzz(1 ,0.2)
    buzz(330 ,0.2)
    buzz(1 ,0.2)
    buzz(294 ,0.5)
    buzz(1 ,0.5)

    buzz(262 ,0.2)
    buzz(1 ,0.2)
    buzz(262 ,0.2)
    buzz(1 ,0.2)
    buzz(392 ,0.2)
    buzz(1 ,0.2)
    buzz(392 ,0.2)
    buzz(1 ,0.2)
    buzz(440 ,0.2)
    buzz(1 ,0.2)
    buzz(440 ,0.2)
    buzz(1 ,0.2)
    buzz(392 ,0.5)
    buzz(1 ,0.5)

    buzz(349 ,0.2)
    buzz(1 ,0.2)
    buzz(349 ,0.2)
    buzz(1 ,0.2)
    buzz(330 ,0.2)
    buzz(1 ,0.2)
    buzz(330 ,0.2)
    buzz(1 ,0.2)
    buzz(294 ,0.2)
    buzz(1 ,0.2)
    buzz(294 ,0.2)
    buzz(1 ,0.2)
    buzz(262 ,0.5)
    buzz(1 ,2)