code: func (s *ServoDriver) Move(angle uint8) (err error) {
  	if !(angle >= 0 && angle <= 180) {
  		return ErrServoOutOfRange
  	}
  	s.CurrentAngle = angle
  	return s.connection.ServoWrite(s.Pin(), angle)
  }
docs: // Move sets the servo to the specified angle. Acceptable angles are 0-180