void setup() {
    Particle.subscribe("toggle_led", eventHandler);//, MY_DEVICES);
    
    pinMode(D7, OUTPUT);  // LED pin
    Serial.begin(9600);   // Optional: Debugging
}

void eventHandler(const char *event, const char *data) {
    Serial.printlnf("Received event: %s, data: %s", event, data);

    if (strcmp(data, "on") == 0) {
        digitalWrite(D7, HIGH); // Turn on the LED
        delay(1000);            // Keep the LED on for 5 seconds
        digitalWrite(D7, LOW);  // Turn off the LED
    }
}

void loop() {
    // Continuously listen for events
}