#include <LiquidCrystal_I2C.h>
#include "DHTesp.h"

LiquidCrystal_I2C lcd(0x27,20,4);

const int DHT_PIN = 15;
const int pinled = 18;
DHTesp dhtSensor;
float temperature = 0;
float humidity = 0;

void setup() {
  
  Serial.begin(115200);
  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
  pinMode(pinled, OUTPUT);
 
  lcd.init();
  lcd.backlight();
  lcd.setCursor(3,0); //After 3 pixels from the left, line 1
  lcd.print("Monitoring");
  lcd.setCursor(2,1);//after 2 pixel from the left, line 2
  lcd.print("temperature and humidity");
  lcd.setCursor(8,2);
  lcd.print("By");
  lcd.setCursor(5,3);
  lcd.print("elsoc");
  delay(3000);
  lcd.clear();
  
}

void loop() {
  TempAndHumidity  data = dhtSensor.getTempAndHumidity();
  temperature=data.temperature;
  humidity=data.humidity;

 
  Serial.print("Temp: ");
  Serial.print(temperature);
  Serial.println("C");
  Serial.print("Hum: ");
  Serial.print(humidity);
  Serial.println("%");

  delay(2000); 

if(temperature <25){
    digitalWrite(pinled, HIGH);
  }
  else 
    digitalWrite(pinled, LOW);

lcd.init();
  lcd.backlight();
  lcd.setCursor(3,0);
  lcd.print("Smart Room Tech");
  lcd.setCursor(2,1);
  lcd.print("welcome");
  //temperature
  lcd.setCursor(0,2);
  lcd.print("temperature       :");
  lcd.setCursor(13,2);
  lcd.print(temperature);
  lcd.setCursor(19,2);
  lcd.print("C");
  //humidity
  lcd.setCursor(0,3);
  lcd.print("humidity :");
  lcd.setCursor(13,3);
  lcd.print(humidity);
  lcd.setCursor(19,3);
  lcd.print("%");
  delay(8000);
}