int latchPin = 5;

int clockPin = 18;

int dataPin = 19;

int num[] = {0x3f, 0x06, 0x5b, 0x4f, 0x66, 0x6d, 0x7d, 0x07, 0x7f, 0x6f, 0x77, 0x7c, 0x39, 0x5e, 0x79, 0x71};



void setup() {
  // put your setup code here, to run once:
pinMode(latchPin, OUTPUT);
pinMode(clockPin, OUTPUT);
pinMode(dataPin, OUTPUT);
digitalWrite(latchPin, HIGH);
Serial.begin(115200);
}

void loop() {
  // put your main code here, to run repeatedly:
for(int i=0; i<16; i++) {
  DataOut(num[i]);
  delay(100);
}
Serial.println("3");
}

void DataOut(byte data) {
  digitalWrite(latchPin, LOW);
  shiftOut(dataPin, clockPin, MSBFIRST, data);
  digitalWrite(latchPin, HIGH);
}