// Pins connected to 74HC595
const int latchPin = 8;
const int clockPin = 12;
const int dataPin = 11;

// Mapping of digits to segments for a common-anode 7-segment display
const byte digitToSegment[10] = {0xC0, 0xF9, 0xA4, 0xB0, 0x99, 0x92, 0x82, 0xF8, 0x80, 0x90};

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

void loop() {
  for (int i = 0; i < 10; i++) {
    digitalWrite(latchPin, LOW);
    shiftOut(dataPin, clockPin, MSBFIRST, digitToSegment[i]);
    digitalWrite(latchPin, HIGH);
    delay(1000);
  }
}