const int data=8;
const int latch=10;
const int clock=11;

int input= 0B10101010;

void setup() {
  pinMode(data,OUTPUT);
  pinMode(latch,OUTPUT);
  pinMode(clock,OUTPUT);
}

void loop() {
  for(int i=1;i<=1;i++)
  {
    digitalWrite(latch,LOW);
    shiftOut(data,clock,MSBFIRST,input);
    digitalWrite(latch,HIGH);
    delay(500);
  }
}