from machine import Pin, PWM
import time

servo = PWM(Pin(15))
servo.freq(50)

while True:
    servo.duty_ns(500000)  # 0 grados
    time.sleep_ms(500)
    servo.duty_ns(2500000)  # 180 grados
    time.sleep_ms(500)
    servo.duty_ns(5000000)  # 360 grados
    time.sleep_ms(500)