#include "DHT.h"
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd = LiquidCrystal_I2C(0X27,16,2);

#define DHTPIN 15
#define DHTTYPE DHT22
DHT dht (DHTPIN,DHTTYPE);

void setup() {
  // put your setup code here, to run once:
Serial.begin(115200);
dht.begin();
lcd.init();
lcd.backlight();
pinMode(2,OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  float temperature,humidity;
  temperature = dht.readTemperature();
  humidity = dht.readHumidity();
  lcd.setCursor(0,0);
  lcd.print("Temp :");
  lcd.print(temperature);
  lcd.setCursor(12,0);
  lcd.print(char(223));
  lcd.setCursor(13,0);
  lcd.print("C");
  lcd.setCursor(0,1);
  lcd.print("Humidity :");
  lcd.print(humidity);
  Serial.print(F("humidity :"));
  Serial.print(humidity);
  lcd.setCursor(15,1);
  lcd.print("%");
  Serial.print(F("% Temperature"));
  Serial.print(temperature);
  Serial.println(F("C"));
  delay(2000);
  digitalWrite(2, HIGH);
  delay(3000);
  digitalWrite(2, LOW);
  delay(3000);
}