#include "SevSeg.h"
SevSeg sevseg;
 
void setup()
{
    //Set to 1 for single digit display
    byte numDigits = 1;
 
    //defines common pins while using multi-digit display. Left empty as we have a single digit display
    byte digitPins[] = {};
 
    //Defines arduino pin connections in order: A, B, C, D, E, F, G, DP
    byte segmentPins[] = {3, 2, 8, 7, 6, 4, 5, 9};
    bool resistorsOnSegments = true;
 
    //Initialize sevseg object. Uncomment second line if you use common cathode 7 segment
    sevseg.begin(COMMON_ANODE, numDigits, digitPins, segmentPins, resistorsOnSegments);
    //sevseg.begin(COMMON_CATHODE, numDigits, digitPins, segmentPins, resistorsOnSegments);
 
    sevseg.setBrightness(90);
}
 
void loop()
{ 
   //Display numbers one by one with 2 seconds delay
   for(int i = 0; i < 10; i++)
   {
     sevseg.setNumber(i);
     sevseg.refreshDisplay(); 
     delay(2000);
   }
}