#include<SevSeg.h>
int num = 0;int a = 0;
SevSeg sevseg;
byte numDigits = 1;//数码管位数
byte digitPins[]={10};//公共端或者位选段与A连接引脚
byte segmentPins[]={2,3,4,5,6,7,8,9};//段选段
byte hardwareConfig = COMMON_CATHODE;
void setup()
{
  sevseg.begin(hardwareConfig,numDigits,digitPins,segmentPins);
}
void loop()
{
  a++;
  if(a==5000)
  {
    a=0;
  num++;
  if(num==10)
    num=0;
  }
  sevseg.setNumber(num);
  sevseg.refreshDisplay();
}