code: func (h *BH1750Driver) Start() (err error) {
  	bus := h.GetBusOrDefault(h.connector.GetDefaultBus())
  	address := h.GetAddressOrDefault(bh1750Address)
  
  	h.connection, err = h.connector.GetConnection(address, bus)
  	if err != nil {
  		return err
  	}
  
  	err = h.connection.WriteByte(h.mode)
  	time.Sleep(10 * time.Microsecond)
  	if err != nil {
  		return err
  	}
  
  	return
  }
docs: // Start initialized the bh1750