#include <IRremote.h>

const int IR_PIN = 2;  // Pin connected to IR receiver module

IRrecv irrecv(IR_PIN);
decode_results results;

void setup() {
    Serial.begin(9600);
    irrecv.enableIRIn();  // Start the IR receiver
    Serial.println("IR Attendance System");
}

void loop() {
    if (irrecv.decode(&results)) {
        unsigned long irCode = results.value;

        // Handle different IR remote button codes
        if (irCode == 0xFFA25D) {
            // Example IR code for Button 1
            Serial.println("Button 1 Pressed - Attendance Marked!");
            // Additional actions for Button 1 (e.g., logging attendance)
        } else if (irCode == 0xFF629D) {
            // Example IR code for Button 2
            Serial.println("Button 2 Pressed - Attendance Marked!");
            // Additional actions for Button 2 (e.g., logging attendance)
        } else if (irCode == 0xFFE21D) {
            // Example IR code for Button 3
            Serial.println("Button 3 Pressed - Attendance Marked!");
            // Additional actions for Button 3 (e.g., logging attendance)
        } else {
            // Print unrecognized IR codes for debugging
            Serial.print("Unrecognized IR Code: ");
            Serial.println(irCode, HEX);
        }

        irrecv.resume();  // Receive the next value
        delay(1000);      // Delay to debounce and prevent multiple detections
    }
}