// Define pins for the segments of the display
const int segmentPins[] = {7, 8, 9, 10, 11, 12, 13}; // Pins 0 to 6
const int numDigits = 7; // Number of segments

// Define the segments needed for each number (0-9) on the display
const byte numSegments[10][7] = {
  {1, 1, 1, 1, 1, 1, 0}, // 0
  {0, 1, 1, 0, 0, 0, 0}, // 1
  {1, 1, 0, 1, 1, 0, 1}, // 2
  {1, 1, 1, 1, 0, 0, 1}, // 3
  {0, 1, 1, 0, 0, 1, 1}, // 4
  {1, 0, 1, 1, 0, 1, 1}, // 5
  {1, 0, 1, 1, 1, 1, 1}, // 6
  {1, 1, 1, 0, 0, 0, 0}, // 7
  {1, 1, 1, 1, 1, 1, 1}, // 8
  {1, 1, 1, 1, 0, 1, 1}  // 9
};

void setup() {
  // Initialize segment pins as outputs
  for (int i = 0; i < numDigits; i++) {
    pinMode(segmentPins[i], OUTPUT);
  }
}

void loop() {
  // Loop through each number and display it on the 7-segment display
  for (int num = 0; num < 10; num++) {
    displayNumber(num);
    delay(1000); // Display each number for 1 second
  }
}

// Function to display a single number on the 7-segment display
void displayNumber(int num) {
  // Turn on/off each segment according to the pattern for the given number
  for (int segment = 0; segment < numDigits; segment++) {
    digitalWrite(segmentPins[segment], numSegments[num][segment]);
  }
}