#include <Keypad.h>
const uint8_t ROWS = 4;
const uint8_t COLS = 4;
char keys[ROWS][COLS] = {
  { '1', '2', '3', 'A' },
  { '4', '5', '6', 'B' },
  { '7', '8', '9', 'C' },
  { '*', '0', '#', 'D' }
};

uint8_t colPins[COLS] = { 5, 4, 3, 2 }; // Pins connected to C1, C2, C3, C4
uint8_t rowPins[ROWS] = { 9, 8, 7, 6 }; // Pins connected to R1, R2, R3, R4

Keypad keypad = Keypad(makeKeymap(keys), rowPins, colPins, ROWS, COLS);


const int ledPin1 = 10; // Pin for the first LED
const int ledPin2 = 11; // Pin for the second LED

void setup() {
  pinMode(ledPin1, OUTPUT);
  pinMode(ledPin2, OUTPUT);
  // Initialize serial communication for debugging purposes
  Serial.begin(9600);
}

void loop() {
  char key = keypad.getKey(); // Get the key pressed

  if (key != NO_KEY) { // If a key is pressed
    Serial.println(key); // Print the pressed key for debugging

    // Check which key is pressed and light up the corresponding LED
    switch (key) {
      case '1':
        digitalWrite(ledPin1, HIGH);
        digitalWrite(ledPin2, LOW);
        break;
      case '2':
        digitalWrite(ledPin1, LOW);
        digitalWrite(ledPin2, HIGH);
        break;
      default:
        // Turn off both LEDs if any other key is pressed
        digitalWrite(ledPin1, LOW);
        digitalWrite(ledPin2, LOW);
        break;
    }
  }
}