int clearPin = 10; //Arduino pin 5 connected to Pin 10
int serialData = 5;  //Arduino pin 6 connected to Pin 14
int shiftClock = 7;  //Arduino pin 7 connected to Pin 11
int latchClock = 8;  //Arduino pin 8 connected to Pin 12


void setup() {   
 
  pinMode(clearPin, OUTPUT);
  pinMode(shiftClock, OUTPUT);
  pinMode(latchClock, OUTPUT);
  pinMode(serialData, OUTPUT);


  digitalWrite(clearPin, LOW);
  digitalWrite(clearPin, HIGH); 
}


void loop() {    //runs and loops continuously
    for (int shiftCount = 0; shiftCount < 256;shiftCount++) {  
  
  digitalWrite(latchClock, LOW);    
 


   shiftOut(serialData, shiftClock, MSBFIRST, shiftCount);     
   digitalWrite(latchClock, HIGH);    
   delay(500);     // pause before next value
  }
}