#include <DHTesp.h>  //Import DHT22 header file
int DHT_PIN = 18;  // Assign GPIO 18 to DH22
int LED_PIN = 25; // Assign 
DHTesp dhtSensor;  // Create an instance from DHTesp library

void setup() 
{
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(DHT_PIN, INPUT);
  pinMode(LED_PIN, OUTPUT); 
  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);  //To declare the sensor will be attached in with pin and sensor model
}

void loop() 
{
  // put your main code here, to run repeatedly:
  TempAndHumidity data = dhtSensor.getTempAndHumidity();  // To get the temperature humidity from the sensor
  float tmp = data.temperature;

  Serial.println("Temp: " + String(data.temperature, 2) + "*C");  // Print the temperature
  
  Serial.println("Humidity: " + String(data.humidity, 2) + "%");  // Print the humidity
  Serial.println("---");
  
  if (tmp >= 40) 
  {
    digitalWrite(LED_PIN, HIGH);
    delay(1000);
  }
  else 
  {
    digitalWrite(LED_PIN, LOW);
  }

  delay(2000); // Whait for a new reading of the sensor
}