#define BLYNK_TEMPLATE_ID "TMPL6-pgyrq7u"
#define BLYNK_TEMPLATE_NAME "Intruder Alert System"
#define BLYNK_AUTH_TOKEN "iWPdloiF3-rlDSnCkkPwQoFuF4plcXSJ"

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

char ssid[] = "Wokwi-GUEST";
char pass[] = "";

#define PIR_PIN 14
#define LED_PIN 26
#define BUZZER_PIN 27

BlynkTimer timer;

void checkMotion() {

  int motion = digitalRead(PIR_PIN);

  if (motion == HIGH) {

    digitalWrite(LED_PIN, HIGH);
    digitalWrite(BUZZER_PIN, HIGH);

    Blynk.virtualWrite(V0, 1);

    Serial.println("Intruder Detected!");

  } else {

    digitalWrite(LED_PIN, LOW);
    digitalWrite(BUZZER_PIN, LOW);

    Blynk.virtualWrite(V0, 0);

    Serial.println("No Motion");
  }
}

void setup() {

  Serial.begin(115200);

  pinMode(PIR_PIN, INPUT);
  pinMode(LED_PIN, OUTPUT);
  pinMode(BUZZER_PIN, OUTPUT);

  Blynk.begin(BLYNK_AUTH_TOKEN, ssid, pass);

  timer.setInterval(1000L, checkMotion);
}

void loop() {

  Blynk.run();
  timer.run();
}