from machine import Pin, PWM
import time

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


led = Pin(28, Pin.OUT)

while True:
  
    servo.duty_u16(2000)
    led.on()
    time.sleep(0.3)

   
    servo.duty_u16(4654)
    led.off()
    time.sleep(0.3)