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

LiquidCrystal_I2C LCD = LiquidCrystal_I2C(0x27, 16, 2);

const int DHT_PIN = 15;
const int PIR_PIN = 14;
const int RELAY_PIN = 4;



// set LCD address, number of columns and rows
// if you don't know your display address, run an I2C scanner sketch
LiquidCrystal_I2C lcd(0x27, 16, 2);

DHTesp dhtSensor;

void setup() {
  Serial.begin(115200);
  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
  // initialize LCD
  lcd.init();
  // turn on LCD backlight                      
  lcd.backlight();
  pinMode(RELAY_PIN, OUTPUT);



}

void loop() {
  TempAndHumidity  data = dhtSensor.getTempAndHumidity();
  lcd.setCursor(0, 0);

  lcd.print( "Temp: " + String(data.temperature, 2) + "C" );

  lcd.setCursor(0, 1);  
  lcd.print( "Humidity: " + String(data.humidity, 1) + "%" );
  

  int PIR_VALUE=digitalRead(PIR_PIN);
  if(PIR_VALUE == HIGH){
    digitalWrite(RELAY_PIN, HIGH);
    delay(3000);
  }
 
}