from machine import Pin, ADC, PWM
from utime import sleep, sleep_ms

sonido = PWM(Pin(16))

notas = [277, 293, 329, 349, 392, 440, 493, 523]

while True:
  for  i in notas:
    sonido.freq(i)
    for musica in range(0, 1023):
      sonido.duty(musica)
  sleep(0.5)