const int dataPin=8;
const int latchPin=10;
const int clockPin=11;


int dataArray=0B10000001;

void setup() {
  pinMode(dataPin,OUTPUT);
  pinMode(latchPin,OUTPUT);
  pinMode(clockPin,OUTPUT);
}


void loop() {
  
    digitalWrite(latchPin,LOW);
    shiftOut(dataPin,clockPin,MSBFIRST,dataArray);
    digitalWrite(latchPin,HIGH);
    delay(1000);
  
}