from machine import Pin, PWM
import time

# initilize PWM on GPIO Pin 15
servo = PWM(Pin(15))

#Set Frequency: 50Hz is the standard to control servo smoothness [2]
servo.freq(50)

while True:
    #Equivalent to servo.min()
    #Controls the position using a 16-bit iteger [2]
    servo.duty_u16(2000)
    time.sleep(1)

    #Equivalent to servo.mid() (approx 90 degrees or a 1.5ms pulse) [3]
    servo.duty_u16(4915)
    time.sleep(1)
    
    #Equivalent to servo.max()
    servo.duty_u16(8000)
    time.sleep(1)