// Define the pins connected to each segment of the 7-segment display
const int segmentA = 13;
const int segmentB = 12;
const int segmentC = 11;
const int segmentD = 10;
const int segmentE = 9;
const int segmentF = 8;
const int segmentG = 7;

// Define the numbers to display on the segments
int numbers[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 all segment pins as outputs
  pinMode(segmentA, OUTPUT);
  pinMode(segmentB, OUTPUT);
  pinMode(segmentC, OUTPUT);
  pinMode(segmentD, OUTPUT);
  pinMode(segmentE, OUTPUT);
  pinMode(segmentF, OUTPUT);
  pinMode(segmentG, OUTPUT);
}

void loop() {
  // Loop through numbers 0-9
  for (int i = 0; i < 10; i++) {
    displayNumber(i); // Display the current number
    delay(1000); // Display each number for 1 second
  }
}

void displayNumber(int num) {
  // Get the segments for the current number
  int* currentNumber = numbers[num];

  // Set the segment pins according to the current number
  digitalWrite(segmentA, currentNumber[0]);
  digitalWrite(segmentB, currentNumber[1]);
  digitalWrite(segmentC, currentNumber[2]);
  digitalWrite(segmentD, currentNumber[3]);
  digitalWrite(segmentE, currentNumber[4]);
  digitalWrite(segmentF, currentNumber[5]);
  digitalWrite(segmentG, currentNumber[6]);
}