#include "SevSeg.h"
SevSeg sevseg;
void setup(){
  byte sevenSegments=1;
  byte CommonPins[]={};
  byte LEDsegmentPins[]={15,2,4,5,18,19,21};
  bool resistorsOnSegment=true;
  sevseg.begin(COMMON_ANODE,sevenSegments,CommonPins,LEDsegmentPins,resistorsOnSegment);
  sevseg.setBrightness(80);
}
void loop(){
  for(int i=0;i<10;i++){
    sevseg.setNumber(i);
    sevseg.refreshDisplay();
    delay(1000);
  }
}