int digit[] = {0x86, 0xDB, 0xCF, 0x66, 0xED, 0xFD};
int pin[] = {8, 10, 2, 3, 4, 5, 6};

void setup() {
  // put your setup code here, to run once:
  //Serial.begin(115200);
  randomSeed(analogRead(A0));
  for (int x = 0; x < 7; x++) {
    pinMode(pin[x], OUTPUT);
  }
}

void loop() {
  // put your main code here, to run repeatedly:
  int a = random(0,6);      //od 1 do 6
  
  int stevilka = digit[a];    //digit[0];

  for (int x = 0; x < 7; x++) {
      int temp = stevilka & 0x01;    //filter: 0 ali 1
      digitalWrite(pin[x], temp);
      stevilka = stevilka >> 1;
      
  }
  delay(500);
  for (int x = 0; x < 7; x++) {
    digitalWrite(pin[x], LOW);
  }
  delay(500);
}