Innovation Lab #18 Shift Register_LED

int latchPin = 4;
int clockPin = 3;
int dataPin = 2;

void setup() 

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

void loop() 
{
  for(int i=0; i<8; i++){
    digitalWrite(latchPin, LOW);
    shiftOut(dataPin, clockPin, LSBFIRST, 1<<i);
    digitalWrite(latchPin, HIGH);
    delay(500);
  }
}