int8_t MyPins[7] = {6, 7, 9, 10, 11, 13, 12};
int8_t MyNum[10] =  {
                    B11111100,
                    B01100000,
                    B11011010,
                    B11110010,
                    B01100110,
                    B10110110,
                    B10111110,
                    B11100000,
                    B11111110,
                    B11110110};

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  for (int8_t i = 0; i < sizeof(MyPins)/sizeof(MyPins[0]) ; i++) {
    pinMode(MyPins[i], OUTPUT);
  }

}
void Num(int8_t digit){
  for (int8_t i = 0; i <= sizeof(MyPins)/sizeof(MyPins[0]); i++) {
    //Serial.println(bitRead(MyNum[digit],i));
    digitalWrite(MyPins[7-i], bitRead(MyNum[digit],i));
  }
}
void loop() {
  // put your main code here, to run repeatedly:
  //Serial.println(bitRead(MyNum[0],1));
  //Num(0);

  for (int8_t i = 0 ;i<=9;i++){
    Num(i);
    delay(1000);
  }

}