// Define pins for segments and digits
int segment_pins[7] = {33, 14, 13, 22, 23, 25, 12};
int digit_pins[3] = {32, 26, 27};

// Define segment values for digits 0 to 9
int segments[10][7] = {
  {0, 0, 0, 0, 0, 0, 1}, // 0
  {1, 0, 0, 1, 1, 1, 1}, // 1
  {0, 0, 1, 0, 0, 1, 0}, // 2
  {0, 0, 0, 0, 1, 1, 0}, // 3
  {1, 0, 0, 1, 1, 0, 0}, // 4
  {0, 1, 0, 0, 1, 0, 0}, // 5
  {0, 1, 0, 0, 0, 0, 0}, // 6
  {0, 0, 0, 1, 1, 1, 1}, // 7
  {0, 0, 0, 0, 0, 0, 0}, // 8
  {0, 0, 0, 0, 1, 0, 0}  // 9
};

void setup() {
  // Set pin modes
  for (int i = 0; i < 7; i++) {
    pinMode(segment_pins[i], OUTPUT);
  }
  for (int i = 0; i < 3; i++) {
    pinMode(digit_pins[i], OUTPUT);
  }
}

void loop() {
  int counter = 0;
  while (counter < 1000) { // Count up to 999
    int digit1 = counter / 100;
    int digit2 = (counter / 10) % 10;
    int digit3 = counter % 10;

  for (int loopCount = 0; loopCount < 66; loopCount++) { // 66 because every digit takes 5 so 3x5x66 = 990 + 10 to make it 1 second counter
  // Display first digit
  for (int i = 0; i < 7; i++) {
    digitalWrite(segment_pins[i], segments[digit1][i]);
  }
  digitalWrite(digit_pins[0], HIGH);
  delay(5);
  digitalWrite(digit_pins[0], LOW);

  // Display second digit
  for (int i = 0; i < 7; i++) {
    digitalWrite(segment_pins[i], segments[digit2][i]);
  }
  digitalWrite(digit_pins[1], HIGH);
  delay(5);
  digitalWrite(digit_pins[1], LOW);

  // Display third digit
  for (int i = 0; i < 7; i++) {
    digitalWrite(segment_pins[i], segments[digit3][i]);
  }
  digitalWrite(digit_pins[2], HIGH);
  delay(5);
  digitalWrite(digit_pins[2], LOW);
}
    counter++; // Increment the counter variable
    delay(10);
  }
}