#include "DHT.h"
#define DHTPIN 4        // Use GPIO 4 instead of D4
#define DHTTYPE DHT22
DHT dht(DHTPIN, DHTTYPE);
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd (0x27, 16,2); 
void setup() {
  // put your setup code here, to run once:
 Serial.begin(9600);
  dht.begin();
    lcd. begin ();
     lcd. backlight ();
}

void loop() {
   float temperature = dht.readTemperature(); // in Celsius
  float humidity = dht.readHumidity();

  if (isnan(temperature) || isnan(humidity)) {
    Serial.println("Failed to read from DHT22 sensor!");
    return;
  }

  Serial.print("Temperature: ");
  Serial.print(temperature);
  Serial.print(" °C, Humidity: ");
  Serial.print(humidity);
  Serial.println(" %");
    lcd. setCursor (0, 0);
     lcd. print ( "Temp=" );
     lcd. setCursor (5, 0);
     lcd. print (temperature);
     lcd. setCursor (0, 1);
     lcd. print ( "Hum=" );
     lcd. setCursor (5, 1);
     lcd. print (humidity);
  // put your main code here, to run repeatedly:
delay(1000);
}