code: func (f *Adaptor) ServoConfig(pin string, min, max int) error {
  	p, err := strconv.Atoi(pin)
  	if err != nil {
  		return err
  	}
  
  	return f.Board.ServoConfig(p, max, min)
  }
docs: // ServoConfig sets the pulse width in microseconds for a pin attached to a servo