code: func NewIOPinDriver(a ble.BLEConnector) *IOPinDriver {
  	n := &IOPinDriver{
  		name:       gobot.DefaultName("Microbit IO Pins"),
  		connection: a,
  		Eventer:    gobot.NewEventer(),
  	}
  
  	return n
  }
docs: // NewIOPinDriver creates a Microbit IOPinDriver