const int dataPin=2;
const int clockPin=4;
const int latchPin=16;
const byte num[]={
  0b11111100,
  0b01100000,
  0b11011010,
  0b11110010,
  0b01100110,
  0b10110110,
  0b10111110,
  0b11100000,
  0b11111110,
  0b11110110,
  0b00000001,
};

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
  pinMode(dataPin, OUTPUT);
  pinMode(clockPin, OUTPUT);
  pinMode(latchPin, OUTPUT);
  digitalWrite(clockPin, LOW);
  digitalWrite(latchPin, LOW);

}

void loop() {
  // put your main code here, to run repeatedly:
 for(int i=0;i<=10;i++){
  for(int j=0;j<8;j++){
    digitalWrite(dataPin,!bitRead(num[i],j));
    digitalWrite(clockPin,HIGH);
    digitalWrite(clockPin,LOW);
  }
  digitalWrite(latchPin,HIGH);
  digitalWrite(latchPin,LOW);
  delay(2000);
 }
}