#define BLYNK_TEMPLATE_ID "TMPLuoPgj1HD"
#define BLYNK_DEVICE_NAME "DHT"
#define BLYNK_AUTH_TOKEN "BlrTJOVneZJLBtzgEodfN2MkZ1uRoqnk"
#define BLYNK_PRINT Serial
#include <WiFi.h>
#include <WiFiClient.h>
#include "BlynkSimpleEsp32.h"
#include "DHTesp.h"
#include <LiquidCrystal_I2C.h>
#define LEDM 2
#define LEDH 4
#define LEDK 5

int lcdCol =20;
int lcdRow = 4;

LiquidCrystal_I2C lcd(0x27, lcdCol, lcdRow);

char auth[] = BLYNK_AUTH_TOKEN;

char ssid[] = "Wokwi-GUEST";  // type your wifi name
char pass[] = "";  // type your wifi password

#define DHTPIN 15          // Mention the digital pin where you connected 
DHTesp dhtSensor;
BlynkTimer timer;

void sendSensor(){
  TempAndHumidity  data = dhtSensor.getTempAndHumidity();
  float t = data.temperature;
  float h = data.humidity;
  if (isnan(h) || isnan(t)) {
    Serial.println("Failed to read from DHT sensor!");
    return;
  }

  Blynk.virtualWrite(V1, t);
  Blynk.virtualWrite(V2, h);
  Blynk.virtualWrite(V3, LEDM);
  Blynk.virtualWrite(V4, LEDH); 
  Blynk.virtualWrite(V5, LEDK);
  
    Serial.print("Temperature : ");
    Serial.print(t);
    Serial.print("    Humidity : ");
    Serial.println(h);

 lcd.setCursor(0,0);
  lcd.print ("  *RUANG  OPERASI*");
  lcd.setCursor(0,1);
  lcd.print ("Suhu       : ");
  lcd.print(t);
  lcd.print(" C");  
  lcd.setCursor(0,2);
  lcd.print ("Kelembaban : ");
  lcd.print(h);
  lcd.print(" %");  


 if(t > 29){
    Blynk.logEvent("temp_alarm","SUHU TERLALU PANAS");
    digitalWrite(LEDM, HIGH);
    digitalWrite(LEDH, LOW);
    digitalWrite(LEDK, LOW);
    lcd.setCursor(0,3);
    lcd.print ("SUHU TERLALU PANAS ");
  }
  else if (t<=29 && t>=21){
    digitalWrite(LEDM, LOW);
    digitalWrite(LEDH, HIGH);
    digitalWrite(LEDK, LOW);  
    lcd.setCursor(0,3);
    lcd.print ("    SUHU NORMAL    ");
  }
  else {
    digitalWrite(LEDM, LOW);
    digitalWrite(LEDH, LOW);
    digitalWrite(LEDK, HIGH);
    lcd.setCursor(0,3);
    lcd.print ("SUHU TERLALU DINGIN");
  } 

}

void setup(){
   Serial.begin(115200);
  Blynk.begin(auth, ssid, pass);
  dhtSensor.setup(DHTPIN, DHTesp::DHT22);
  timer.setInterval(1000L, sendSensor);
  pinMode(LEDM, OUTPUT);
  pinMode(LEDH, OUTPUT);
  pinMode(LEDK, OUTPUT);
  lcd.init();
  lcd.backlight();
}

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

}