code: func NewDriver(a spi.Connector, options ...func(spi.Config)) *Driver {
  	spiConfig := spi.NewConfig()
  	// use /dev/spidev0.1
  	spiConfig.WithBus(0)
  	spiConfig.WithChip(1)
  	g := &Driver{
  		name:      gobot.DefaultName("GoPiGo3"),
  		connector: a,
  		Config:    spiConfig,
  	}
  	for _, option := range options {
  		option(g)
  	}
  	return g
  }
docs: // NewDriver creates a new Gobot Driver for the GoPiGo3 board.
  //
  // Params:
  //      a *Adaptor - the Adaptor to use with this Driver
  //
  // Optional params:
  //      spi.WithBus(int):    	bus to use with this driver
  //     	spi.WithChip(int):    	chip to use with this driver
  //      spi.WithMode(int):    	mode to use with this driver
  //      spi.WithBits(int):    	number of bits to use with this driver
  //      spi.WithSpeed(int64):   speed in Hz to use with this driver
  //