import machine
import time


buzzer_pin = machine.Pin(8, machine.Pin.OUT)
buzzer = machine.PWM(buzzer_pin)
while True :
    for i in range(100,1000,10):
        buzzer.freq(i)
        print("Ses",i)
        buzzer.duty_u16(3000)
        time.sleep(0.1)
        buzzer.duty_u16(0)
        buzzer.deinit()
        time.sleep(0.1)