#include "SevenSeg.h"
SevenSeg disp (10,9,8,7,6,5,4);
const int numOfDigits =2;
int digitPins [numOfDigits]={13,12};
const int buzzer=2;
int timer=10;
int flag;
void setup() {
  Serial.begin(9600);
  disp.setDigitPins( numOfDigits , digitPins);
  disp.setCommonCathode();
  disp.setDutyCycle(50);
}
void loop(){
  if(timer>0){
    for(int i=5;i>0;i--){
      disp.write(timer);
      delay(50);
    }
    timer--;
  }
else{
  disp.write("00");
  tone(buzzer,3000); //play tone
  delay(500);
  disp.write("");
  noTone(buzzer);
  delay(500);
  }
}