int AI = 3;
int clk = 13;
int AO = 4;
int d[] = {2, 5, 6, 7, 8, 9, 10, 11};



void setup() {
  // put your setup code here, to run once:
  pinMode(AI, OUTPUT);
  pinMode(clk, OUTPUT);
  pinMode(AO, OUTPUT);
  for (int i=0; i<8; i++) {
    pinMode(d[i], OUTPUT);
  }

}

void loop() {
  // put your main code here, to run repeatedly:
  digitalWrite(clk, HIGH);
  digitalWrite(AO, HIGH);
  digitalWrite(AI, HIGH);
  digitalWrite(d[0], HIGH);
  digitalWrite(d[1], LOW);
  digitalWrite(d[2], HIGH);
  digitalWrite(d[3], HIGH);
  digitalWrite(d[4], LOW);
  digitalWrite(d[5], HIGH);
  digitalWrite(d[6], LOW);
  digitalWrite(d[7], HIGH);

}