#define BLYNK_TEMPLATE_ID "TMPL3IdBENGGE"
#define BLYNK_TEMPLATE_NAME "IoT"
#define BLYNK_AUTH_TOKEN "bu51542wwm2jD97pF1OxtNHIMI9T7xJQ"

// Libraries
#include <Wire.h>
#include <Adafruit_Sensor.h>
#include <Adafruit_BME280.h>
#include <WiFi.h>
#include <BlynkSimpleEsp32.h>

// Blynk Auth Token
char auth[] = "bu51542wwm2jD97pF1OxtNHIMI9T7xJQ";

// WiFi credentials
char ssid[] = "iot11";
char pass[] = "rpw1@iot";

// BME280
Adafruit_BME280 bme;

// LED pin
#define LED_PIN 2

BlynkTimer timer;

// Function to send sensor data to Blynk
void sendSensorData() {
  float temperature = bme.readTemperature();
  float humidity = bme.readHumidity();
  float pressure = bme.readPressure() / 100.0F;

  Serial.println(temperature);
  Serial.println(humidity);
  Serial.println(pressure);

  Blynk.virtualWrite(V1, temperature);  // Temperature to V1
  Blynk.virtualWrite(V2, humidity);     // Humidity to V2
  Blynk.virtualWrite(V3, pressure);     // Pressure to V3
}

void setup() {
  // Serial Monitor
  Serial.begin(115200);

  // Initialize BME280
  if (!bme.begin(0x76)) { // Check I2C address (0x76 or 0x77)
    Serial.println("Could not find a valid BME280 sensor, check wiring!");
    while (1);
  }

  // Initialize Blynk
  Blynk.begin(auth, ssid, pass);
  Serial.println("Blynk Connected Successfully");

  // Set LED pin as output
  pinMode(LED_PIN, OUTPUT);

  // Setup a timer to send sensor data every 2 seconds
  timer.setInterval(2000L, sendSensorData);
}

void loop() {
  Blynk.run();
  timer.run();
}