from moon_servo import moon_servo
from utime import sleep

servo = moon_servo(pin_number=21)

servo.connect()

while True: 

    for angle in range(0, 180, 10):
        servo.move(angle)
        sleep(0.5)

    for angle in range(180, -1, -10):
        servo.move(angle)
        sleep(0.5)