import time # librería delay
import board # librería placa
import pulseio # librería PWM
from adafruit_motor import servo

pwm = pulseio.PWMOut(board.D15, duty_cycle=2 ** 15, frequency=50) # Seteo de pin, duty cycle y frecuencia

my_servo = servo.Servo(pwm)

while True:
    for angle in range(0, 180, 5):  # 0 a 180 cada 5 grados
        my_servo.angle = angle
        time.sleep(0.05)
    for angle in range(180, 0, -5): # 180 a 0 cada 5 grados
        my_servo.angle = angle
        time.sleep(0.05)