from machine import Pin,PWM
import time

p22 = Pin(22, Pin.OUT)
buzzer = PWM(Pin(22))
buzzer.freq(784)  #g3
buzzer.duty(500)
time.sleep(3)
buzzer.duty(0)
buzzer.deinit()

p23 = Pin(23, Pin.OUT)
buzzer = PWM(Pin(23))
buzzer.freq(659) #e5
buzzer.duty(500)
time.sleep(3)
buzzer.duty(0)
buzzer.deinit()

p21 = Pin(21, Pin.OUT)
buzzer = PWM(Pin(21))
buzzer.freq(1047)  #c6
buzzer.duty(500)
time.sleep(3)
buzzer.duty(0)
buzzer.deinit()

p19 = Pin(19, Pin.OUT)
buzzer = PWM(Pin(19))
buzzer.freq(1175)  #d6
buzzer.duty(800)
time.sleep(3)
buzzer.duty(0)
buzzer.deinit()

p18 = Pin(18, Pin.OUT)
buzzer = PWM(Pin(18))
buzzer.freq(880)  #a5
buzzer.duty(300)
time.sleep(3)
buzzer.duty(0)
buzzer.deinit()

p5 = Pin(5, Pin.OUT)
buzzer =PWM(Pin(5))
buzzer.freq(988)  #b5
buzzer.duty(500)
time.sleep(3)
buzzer.duty(0)
buzzer.deinit()

p4 = Pin(4, Pin.OUT)
buzzer = PWM(Pin(4))
buzzer.freq(294)  #d4
buzzer.duty(1)
time.sleep(3)
buzzer.duty(0)
buzzer.deinit()