#include "SevSeg.h"
SevSeg sevseg;

void setup(){
  byte numDigits = 1;
  byte digitPins[] = {};
  byte segmentPins[] = {6, 5, 2, 3, 4, 7, 8, 9};
  bool resistorOnSegments= true;

  byte hardwareConfig= COMMON_ANODE;
  sevseg.begin(hardwareConfig, numDigits, digitPins, segmentPins, resistorOnSegments);
  sevseg.setBrightness(90);
}

void loop() {
  for(int i=0; i<10; i++)
    {sevseg.setNumber(i,i%2);
      delay(1000);
      sevseg.refreshDisplay();
    }
}