#include <DHT.h>
#include <Wire.h>
#include <LiquidCrystal_I2C.h>
#include <WiFi.h>

LiquidCrystal_I2C lcd(0x27, 16, 2);
#define DHTPIN 18
#define DHTTYPE DHT22

#define BLYNK_PRINT Serial
#define BLYNK_TEMPLATE_ID "TMPL6fDDX7Fsv"
#define BLYNK_TEMPLATE_NAME "systemSuhu"
#define BLYNK_AUTH_TOKEN "jSGgRplZ9qUE88wTxkf4KVssWO4hymGh"
#include <BlynkSimpleEsp32.h>

const int relay1 = 17;
const int relay2 = 16;
DHT dht(DHTPIN, DHTTYPE);

void setup() {
  Serial.begin(115200);
  WiFi.begin("Wokwi-GUEST", "", 6);
  Blynk.begin(BLYNK_AUTH_TOKEN, "Wokwi-GUEST", "");
  pinMode(relay1, OUTPUT);
  pinMode(relay2, OUTPUT);
  lcd.init();
  lcd.backlight();
  dht.begin();
}

void loop() {
  Serial.println();
  delay(1000);

  float h = dht.readHumidity();
  float t = dht.readTemperature();

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

  Blynk.virtualWrite(V0, h);

  Blynk.virtualWrite(V1, t);

  //relay1 pemanas
  if (t <= 36) {
    digitalWrite(relay1, HIGH);
  } else {
    digitalWrite(relay1, LOW);
  }

  //relay1 kipas
  if (t >= 37) {
    digitalWrite(relay2, HIGH);
  } else {
    digitalWrite(relay2, LOW);
  }

  Blynk.run();
}