#define BLYNK_TEMPLATE_ID "TMPL6j0R3l5kd"
#define BLYNK_TEMPLATE_NAME "LED3"
#define BLYNK_AUTH_TOKEN "YS1Zbx1tBCMSLp3Dizor1rgm4-4CsV80"

#define BLYNK_PRINT Serial

#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>
#include <DHT.h>

char ssid[] = "Wokwi-GUEST";
char pass[] = "";

#define LED 17
#define DHTTYPE DHT22
#define DHTPIN 2

DHT dht(DHTPIN, DHTTYPE);

BlynkTimer timer;

BLYNK_WRITE(V0) {
  int switchLED = param.asInt();
  digitalWrite(LED, switchLED);
}

void setup() {
  // put your setup code here, to run once:
Serial.begin(115200);

Blynk.begin(BLYNK_AUTH_TOKEN, ssid, pass);

pinMode(LED, OUTPUT);
dht.begin();
timer.setInterval(1000L, sendSensor);
}

void loop() {
  // put your main code here, to run repeatedly:
Blynk.run();
timer.run();
}

void sendSensor(){ 

  float h = dht.readHumidity();
  float t = dht.readTemperature();
  if (isnan(h) || isnan(t)) {
    Serial.println("Failed to read from DHT sensor!");
    return;
  }
  Blynk.virtualWrite(V3, h);
  Blynk.virtualWrite(V2, t);
}