Codigo Esau

#define segA 9
#define segB 8
#define segC 7
#define segD 6
#define segE 5
#define segF 4
#define segG 3
#define display1 2
#define display2 1

int outPin[] = {13, 12, 11, 10};
int delayValue = 5000;

void setup()
{
  Serial.begin(9600);
  int i = 0;
  for ( i = 0; i < 4; i++)
    pinMode(outPin[i], OUTPUT);
}
void loop()
{
  int i = 0, j = 0;
  for ( i = 0; i <= 15; i++)
  {
    for ( j = 0; j < 4; j++)
    {
      if ( ( (i >> j) & 1 ) == 1 ) {
        digitalWrite(outPin[j], HIGH);
      } else {
        digitalWrite(outPin[j], LOW);
      }
    }
    for(int delay1=0;i<delayValue;delay1++){
      sendNumber(i);
      delay(1);
    }
  }
}

void sendNumber(int number){
  switch (number){
    case 0:
    displayfunction(0,1,0,1,1,0,0,0,0);
    break;
    case 1:
    displayfunction(0,1,0,1,1,0,0,0,0);
    break;
    case 2:
    displayfunction(0,1,1,1,0,1,1,0,1);
    break;
    case 3:
    displayfunction(0,1,1,1,1,1,0,0,1);
    break;
    case 4:
    displayfunction(0,1,0,1,1,0,0,1,1);
    break;
    case 5:
    displayfunction(0,1,1,0,1,1,0,1,1);
    break;
    case 6:
    displayfunction(0,1,1,0,1,1,1,1,1);
    break;
    case 7:
    displayfunction(0,1,1,1,1,0,0,0,0 );
    break;
    case 8:
    displayfunction(0,1,1,1,1,1,1,1,1);
    break;
    case 9:
    displayfunction(0,1,1,1,1,0,0,1,1);
    break;
    case 10:
    displayfunction(1,0,0,1,1,0,0,0,0);
    displayfunction(0,1,0,1,1,0,0,0,0);
    break;
    case 11:
    displayfunction(1,0,0,1,1,0,0,0,0);
    displayfunction(0,1,0,1,1,0,0,0,0);
    break;
    case 12:
    displayfunction(1,0,0,1,1,0,0,0,0);
    displayfunction(0,1,1,1,0,1,1,0,1);
    break;
    case 13:
    displayfunction(1,0,0,1,1,0,0,0,0);
    displayfunction(0,1,1,1,1,1,0,0,1);
    break;
    case 14:
    displayfunction(1,0,0,1,1,0,0,0,0);
    displayfunction(0,1,0,1,1,0,0,1,1);
    break;
    case 15:
    displayfunction(1,0,0,1,1,0,0,0,0);
    displayfunction(0,1,1,0,1,1,0,1,1);
    
  }
  
}


void displayfunction(boolean seg1, boolean seg2, boolean a, boolean b, boolean c, boolean d, boolean e, boolean f, boolean g) {
  digitalWrite(display1, seg1);
  digitalWrite(display2, seg2);
  digitalWrite(segA, a);
  digitalWrite(segB, b);
  digitalWrite(segC, c);
  digitalWrite(segD, d);
  digitalWrite(segE, e);
  digitalWrite(segF, f);
  digitalWrite(segG, g);

}