// Define the GPIO pins for each segment (A-G) and the decimal point (DP)
const int segmentPins[7] = {12, 14, 2, 5, 4, 13, 15};  // A-G

// Segment patterns for numbers 0-9 and letters a-f
const byte segmentPatterns[16] = {
  0b1111110,  // 0
  0b0110000,  // 1
  0b1101101,  // 2
  0b1111001,  // 3
  0b0110011,  // 4
  0b1011011,  // 5
  0b1011111,  // 6
  0b1110000,  // 7
  0b1111111,  // 8
  0b1111011,  // 9
  0b1110111,  // a
  0b0011111,  // b
  0b1001110,  // c
  0b0111101,  // d
  0b1001111,  // e
  0b1000111   // f
};

// Function to display a given pattern on the seven-segment display
void displayPattern(byte pattern) {
  for (int i = 0; i < 7; i++) {
    digitalWrite(segmentPins[i], (pattern & (1 << (6 - i))) ? HIGH : LOW);
  }
}

void setup() {
  // Initialize the segment pins as outputs
  for (int i = 0; i < 7; i++) {
    pinMode(segmentPins[i], OUTPUT);
  }

  Serial.begin(115200);  // Initialize serial communication
  Serial.println("ESP32 Seven-Segment Display Initialized");
}

void loop() {


  

  // Display numbers 0-9
  for (int i = 0; i < 10; i++) {
    displayPattern(segmentPatterns[i]);
    Serial.print("Displaying: ");  // Send a message to the serial monitor
    Serial.println(i);
    delay(1000);  // Display each number for 1 second
  }

  // Display letters a-f
  for (int i = 10; i < 16; i++) {
    displayPattern(segmentPatterns[i]);
    Serial.print("Displaying: ");  // Send a message to the serial monitor
    Serial.println(char('a' + i - 10));
    delay(1000);  // Display each letter for 1 second
  }
}