Blynk Project by Riuss

#define BLYNK_TEMPLATE_ID "TMPLyIMWhTWY"
#define BLYNK_TEMPLATE_NAME "ESP32 DHT11"
#define BLYNK_AUTH_TOKEN "mKlS4zbqGCnFY7y6RjDwlagPdbZVwYOW"

#define BLYNK_PRINT Serial

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


#include <DHT.h>

char auth[] = BLYNK_AUTH_TOKEN;

char ssid[] = "speedy@bf50"; //nama hotspot yang digunakan
char pass[] = "87654321"; //password hotspot yang digunakan

#define DHTPIN 25          // Mention the digital pin where you connected 
#define DHTTYPE DHT22     // DHT 11  
#define MQ3 34
#define SERVO 14
int pos = 0;
DHT dht(DHTPIN, DHTTYPE);
Servo servoMotor;
BlynkTimer timer;


void setup(){
  Serial.begin(115200);
  Blynk.begin(auth, ssid, pass);
  // You can also specify server:
  //Blynk.begin(auth, ssid, pass, "blynk.cloud", 80);
  //Blynk.begin(auth, ssid, pass, IPAddress(192,168,1,100), 8080);
  
  servoMotor.attach(SERVO);
  pinMode(13, OUTPUT);
  dht.begin();
  timer.setInterval(2500L, sendSensor);
}

void loop(){
  Blynk.run();
  timer.run();
}
void sendSensor(){
  float h = dht.readHumidity();
  float t = dht.readTemperature(); // or dht.readTemperature(true) for Fahrenheit
  if (isnan(h) || isnan(t)) {
    Serial.println("Failed to read from DHT sensor!");
    return;
  }

  int sensorValue = analogRead(MQ3);
  
  Blynk.virtualWrite(V1, h);
  Blynk.virtualWrite(V0, t);
  Blynk.virtualWrite(V2, sensorValue);
  Serial.print("Temperature : ");
  Serial.print(t);
  Serial.print("    Humidity : ");
  Serial.println(h);
  Serial.println(sensorValue);

  if(sensorValue >= 2600){
    Blynk.virtualWrite(V3, 1);
    digitalWrite(13,HIGH);
    delay(1000);
    digitalWrite(13,LOW);
    delay(1000);
  } else {
    Blynk.virtualWrite(V3, 0);
  }

  if(sensorValue >= 3200){
    servoMotor.write(180);
    Blynk.virtualWrite(V4, 1);
  } else {
    servoMotor.write(0);
    Blynk.virtualWrite(V4, 1);
  }


  if(t > 30){
   // Blynk.email("isamahfudi08@gmail.com", "Alert", "Temperature over 28C!");
    Blynk.logEvent("temp_alert","Temp above 30 degrees");
  }
}