#define BLYNK_PRINT Serial
#define BLYNK_TEMPLATE_ID "TMPL6K4Xun1Wm"
#define BLYNK_TEMPLATE_NAME "Pengkondisi Suhu Ruang"
#define BLYNK_AUTH_TOKEN "6v0tmR0aIFilVuEZD9QZigt1jYLAlD3X"
#define AC 2
#define heater 4

#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>
#include "DHTesp.h"
#include <LiquidCrystal_I2C.h>

const int DHT_PIN = 15;
DHTesp dhtSensor;
LiquidCrystal_I2C lcd(0x27, 16, 2);

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

BlynkTimer timer;

void sendSensor()
{
 TempAndHumidity  data = dhtSensor.getTempAndHumidity();
 int a = data.temperature;
 int b = data.humidity;
 lcd.setCursor(8, 0);
 lcd.print (a);
 lcd.setCursor(8, 1);
 lcd.print (b);
 Blynk.virtualWrite(V0, data.temperature); 
 Blynk.virtualWrite(V1, data.humidity);//mengirimkan data ke Virtual pin di Blynk Cloud

if (a < 20){
  digitalWrite(AC, LOW);
  digitalWrite(heater, HIGH);
  Blynk.virtualWrite(V2, "AC OFF, Heater ON" );
  Blynk.virtualWrite(V3, "Kondisi Udara Dingin" );
}

if (a > 28){
  digitalWrite(heater, LOW);
  digitalWrite(AC, HIGH);
  Blynk.virtualWrite(V2, "AC ON, Heater OFF" );
  Blynk.virtualWrite(V3, "Kondisi Udara Panas" );
}

if (a <= 28 && a >= 20){
  digitalWrite(heater, LOW);
  digitalWrite(AC, LOW);
  Blynk.virtualWrite(V2, "AC OFF, Heater OFF" );
  Blynk.virtualWrite(V3, "Kondisi Udara Normal" );
}
}

void setup()
{  
  pinMode(AC, OUTPUT); 
  pinMode(heater, OUTPUT);
  lcd.init();
  lcd.backlight();
  lcd.setCursor(0, 0);
  lcd.print("Suhu = ");
  lcd.setCursor(0, 1);
  lcd.print("Humi = ");
  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
  Blynk.begin(auth, ssid, pass);  
  timer.setInterval(1000L, sendSensor);    
}

void loop()
{
  Blynk.run();
  timer.run();
 /* lcd.setCursor(8, 0);
  lcd.print ("        ");
  lcd.setCursor(8, 1);
  lcd.print ("        ");*/
}