#define TOUCH_PIN T0  // GPIO4
#define BUZZER_PIN 18

void setup() {
    Serial.begin(115200);  // Initialize serial monitor
    pinMode(BUZZER_PIN, OUTPUT);  // Set buzzer as output
    pinMode(TOUCH_PIN, INPUT_PULLUP);  // Enable internal pull-up for the button

    Serial.println("System Ready");
}

void loop() {
    int buttonState = digitalRead(TOUCH_PIN);  // Read button state

    if (buttonState == LOW) {  // Button pressed (simulate touch)
        digitalWrite(BUZZER_PIN, HIGH);  // Activate buzzer
        Serial.println("ALARM! DOOR TOUCHED!");
        delay(1000);  // Keep alarm active for 1 second
        digitalWrite(BUZZER_PIN, LOW);  // Turn off buzzer
    }

    delay(100);  // Small delay for stability
}