const byte pin[] = {8,7,6,5,4,3,2};
const byte num[] ={
  0b0000001, //0
  0b1001111, //1
  0b0010010, //2
  0b0000110, //3
  0b1001100, //4
  0b0100100, //5
  0b0100000, //6
  0b0001111, //7
  0b0000000, //8
  0b0000100, //9
};
void setup() {
  Serial.begin(115200);
  for(byte j=0; j<8; j++){
    pinMode(pin[j],OUTPUT);
    }

}

void loop() {
  for(int NB=0;NB<10;NB++){
    byte d = num[NB];
  for(byte i=0;i<sizeof(pin);i++){
    digitalWrite(pin[i],bitRead(d,i));}
    Serial.println(NB);
    delay(1000);
  }
}