#include "DHTesp.h"

const int DHT_PIN = 15;
int ledRojo = 2;

DHTesp dhtSensor;


void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(ledRojo, OUTPUT);
  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
}

void loop() {
  delay(2000);
  TempAndHumidity  data = dhtSensor.getTempAndHumidity();
  Serial.println("Temp: " + String(data.temperature, 2) + "°C");
  Serial.println("Humidity: " + String(data.humidity, 1) + "%");
  Serial.println("---");

  if(data.temperature >= 40){
    digitalWrite(ledRojo, HIGH);
  }else{
    digitalWrite(ledRojo, LOW);
  }

}
Loading
esp32-devkit-c-v4
dht1:VCC
dht1:SDA
dht1:NC
dht1:GND
led1:A
led1:C
r1:1
r1:2