#define BLYNK_TEMPLATE_ID "TMPL43EEInpH8"
#define BLYNK_TEMPLATE_NAME "anti theft security system"
#define BLYNK_AUTH_TOKEN "r1zw8y2jobt6ozLXhDmzztZGGQfYrDzg"
#define BLYNK_PRINT Serial


#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>

// WiFi credentials
char ssid[] = "Wokwi-GUEST";
char pass[] = "";
BlynkTimer timer;

// Blynk credentials
char auth[] = "r1zw8y2jobt6ozLXhDmzztZGGQfYrDzg";

// Define pin numbers
const int pirSensorPin = 2;  // GPIO pin connected to the PIR sensor output
const int buzzerPin = 16;    // GPIO pin connected to the buzzer
const int ledPin = 17;       // GPIO pin connected to the LED

// Function to check and handle PIR sensor output
void checkPIRSensor() {
  int motionDetected = digitalRead(pirSensorPin);  // Read motion sensor

  if (motionDetected == HIGH) {
    digitalWrite(ledPin, HIGH);  // Turn on LED
    digitalWrite(buzzerPin, HIGH);  // Turn on buzzer
    Blynk.virtualWrite(V1, 255);  // Update Blynk app: LED is ON
    delay(1000);  // Keep them on for 1 second
    digitalWrite(ledPin, LOW);  // Turn off LED
    digitalWrite(buzzerPin, LOW);  // Turn off buzzer
    Blynk.virtualWrite(V1, 0);  // Update Blynk app: LED is OFF
  }
}

void setup() {
  pinMode(pirSensorPin, INPUT);
  pinMode(buzzerPin, OUTPUT);
  pinMode(ledPin, OUTPUT);

  // Connect to WiFi
  WiFi.begin(ssid, pass);
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }

  // Connect to Blynk
  Blynk.begin(auth, ssid, pass);

  // Setup Blynk timer to check sensor status every 100 milliseconds
  timer.setInterval(100L, checkPIRSensor);
}

void loop() {
  Blynk.run();  // Run Blynk process
  timer.run();  // Run timer events
}