int latcPin = 5;
int clockPin = 6;
int dataPin = 4;
void setup() {
  pinMode(latcPin, OUTPUT);
  pinMode(clockPin, OUTPUT);
  pinMode(dataPin, OUTPUT);
  }

  byte variasi[] = {
  B10000000,
  B11000000,
  B11100000,
  B11110000,
  B11111000,
  B11111100,
  B11111110,
  B11111111,
  B00000001,    
  B00000011,
  B00000111,
  B00001111,
  B00011111,
  B00111111,
  B01111111,
  B11111111,
  B10101010,    
  B01010101, 
  B10011001,    
  B01100110, 
  B00111100,     
  B00011000
};

void loop() {
  for (int i=0; i<21; i++) {
    reglampu(variasi[i],300);
   }
  //reglampu(B01010101, 300);
  //reglampu(B01010101, 300);
}

void reglampu(byte data, int jeda) { 
  shiftOut(dataPin,clockPin,MSBFIRST,data);
  digitalWrite(latcPin, HIGH);
  digitalWrite(latcPin, LOW);
  delay(jeda);
}