from machine import Pin, PWM
from utime import sleep

leftbuzzer = PWM(Pin(13))
middlebuzzer = PWM(Pin(9))
rightbuzzer = PWM(Pin(5))

leftbuzzer.freq(150)
leftbuzzer.duty_u16(0)

middlebuzzer.freq(200)
middlebuzzer.duty_u16(0)

rightbuzzer.freq(250)
rightbuzzer.duty_u16(0)



while True: