#include <WiFi.h>

#define GAS_SENSOR A0
#define LED_PIN 13
#define BUZZER_PIN 18

const char* ssid = "Wokwi-GUEST"; // Your WiFi SSID
const char* password = ""; // Your WiFi password

void setup() {
  Serial.begin(9600);
  pinMode(LED_PIN, OUTPUT);
  pinMode(BUZZER_PIN, OUTPUT);

  // Connect to Wi-Fi (simulated, no actual connection)
  Serial.println("Connecting to Wi-Fi...");
}

void loop() {
  // Simulate gas concentration
  int gasValue = analogRead(GAS_SENSOR);
  float gasConcentration = gasValue * (100.0 / 1023.0);

  Serial.print("Gas Concentration: ");
  Serial.print(gasConcentration);
  Serial.println("%");

  // Simulate sending data to Blynk (mock functionality)
  // Blynk.virtualWrite(V1, gasConcentration);

  // Check if gas concentration exceeds a certain threshold
  if (gasConcentration > 5.0) {
    Serial.println("High gas concentration detected! Activating LED and buzzer.");
    digitalWrite(LED_PIN, HIGH);
    digitalWrite(BUZZER_PIN, HIGH);
    // Simulate sending a notification
    // Blynk.notify("High gas concentration detected!");
  } else {
    digitalWrite(LED_PIN, LOW);
    digitalWrite(BUZZER_PIN, LOW);
  }

  delay(5000); // Delay before next reading
}