#define BLYNK_TEMPLATE_ID "TMPL6x6p2XLKS"
#define BLYNK_TEMPLATE_NAME "Bakteri"
#define BLYNK_AUTH_TOKEN "EqaGwe-t9WXi59Rmy2tPBKlfadk6e-aw"

#include <DHT.h> 
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27,16,2);  

#define DHTPIN 21 
#define DHTTYPE DHT22 

int relay = 27;
int relay2 = 26;
DHT dht(DHTPIN, DHTTYPE);

#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>
BlynkTimer timer;

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

// BLYNK_WRITE(V1)
// {
//   relay = dht.readTemperature();
//   if(relay <= 36){
//     digitalWrite(relay, HIGH);
//     delay((500));
//     Blynk.virtualWrite(V1, HIGH);
//   }else {
//     digitalWrite(relay, LOW);
//     delay((1000));
//     Blynk.virtualWrite(V1, LOW);
//   }
// }

// BLYNK_WRITE(V2)
// {
//   relay2 = dht.readTemperature();
//   if(relay2 >= 37){
//     digitalWrite(relay2, HIGH);
//     delay(1000);
//     Blynk.virtualWrite(V2, HIGH);
//   }else{
//     digitalWrite(relay2, LOW);
//     delay(500);
//     Blynk.virtualWrite(V2, LOW);
//   }
// }

void setup() {
  pinMode(relay, OUTPUT);
  pinMode(relay2, OUTPUT);

  dht.begin();

  lcd.begin(16,2);                   
  lcd.backlight(); 
  lcd.init();

  Blynk.begin(auth, ssid, pass);

  Serial.begin(9600);
  Serial.print("Connecting to WiFi");
  WiFi.begin(ssid, pass, 6);
  while (WiFi.status() != WL_CONNECTED) {
    delay(100);
    Serial.print(".");
  }
  Serial.println("Connected!");
}

void loop() {
  delay(1000);
  float h = dht.readHumidity();   
  float t = dht.readTemperature();  
  Blynk.virtualWrite(V0, t);

  lcd.setCursor(0,0);   
  lcd.print("Humidity "+String(h)+"%");
  lcd.setCursor(0,1);  
  lcd.print("Temp : "+String(t)+" C"); 

   if(t >= 37){
    digitalWrite(relay2, HIGH);
    delay(1000);
    Blynk.virtualWrite(V2, HIGH);
  }else{
    digitalWrite(relay2, LOW);
    delay(500);
    Blynk.virtualWrite(V2, LOW);
  }

  if(t <= 36){
    digitalWrite(relay, HIGH);
    delay((500));
    Blynk.virtualWrite(V1, HIGH);
  }else {
    digitalWrite(relay, LOW);
    delay((1000));
    Blynk.virtualWrite(V1, LOW);
  }

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