int8_t mypins[] = {11,10,9,8,7,6,5};
int counterdata[] = { B01111110,
                      B00110000,
                      B01101101,
                      B01111001,
                      B00110011,
                      B01011011,
                      B01011111,
                      B01110000,
                      B01111111,
                      B01111011,
                      };


void setup() {
  Serial.begin(115200); 
  for(int8_t i = 0; i<=sizeof(mypins)/sizeof(mypins[0]); i++){
  pinMode(mypins[i], OUTPUT);
  }
}

void loop() {
  for(int8_t x = 0; x<10 ; x++){
    for(int8_t i = 0; i<=sizeof(mypins)/sizeof(mypins[0]); i++){
    digitalWrite(mypins[i], bitRead(counterdata[x], i));
  }
  delay(500);
  }

}