#include <DHT.h>
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27,20,4);
const int dhtPin = 27;
DHT dht(dhtPin, DHT22);
void setup() {
Serial.begin(115200);
Serial.println("Hello ESP32!");
lcd.init();
lcd.backlight();
delay(1000);
dht.begin();

}
void loop() {
// Wait a few seconds between measurements.
delay(2000);
// Reading temperature or humidity takes about 250 milliseconds!
// Sensor readings may also be up to 2 seconds 'old' (its a very slow sensor)
float humidity=dht.readHumidity();
Serial.println(humidity);
// Read temperature as Celsius (the default)
float temperature = dht.readTemperature();
Serial.println(temperature);
}