#define BLYNK_TEMPLATE_ID "TMPL6EtFJSG6U"
#define BLYNK_TEMPLATE_NAME "Hello world"
#define BLYNK_AUTH_TOKEN "CIB1Y4hj1Z9SKiy_7qFmHY2xtLtxw6nB"
/* Comment this out to disable prints and save space */
#define BLYNK_PRINT Serial

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

// Your WiFi credentials.
// Set password to "" for open networks.
char ssid[] = "Wokwi-GUEST";
char pass[] = "";

#define DHTPIN 27     
#define DHTTYPE DHT22   // DHT 22  (AM2302), AM2321
#define led_red 4

BlynkTimer timer;

DHT dht(DHTPIN, DHTTYPE);

void setup() 
{
  Serial.begin(115200);
  pinMode(led_red, OUTPUT);
  Blynk.begin(BLYNK_AUTH_TOKEN, ssid, pass);
  dht.begin();

  timer.setInterval(200L, dht22_sensor);

  
}

void loop() 
{
  Blynk.run();
  timer.run();
}

void dht22_sensor() 
{
 
  float temperature = dht.readTemperature();
  float humidity = dht.readHumidity();

  // Check if any reads failed and exit early (to try again).
  if (isnan(temperature) || isnan(humidity)) 
  {
    Serial.println(F("Failed to read from DHT sensor!"));
    return;
  }

  Serial.print(F("Humidity: "));
  Serial.print(humidity);
  Serial.print(F("%  Temperature: "));
  Serial.print(temperature);
  Serial.println(F("°C "));

  Blynk.virtualWrite(V1, temperature);
  Blynk.virtualWrite(V2, humidity);

  // Wait a few seconds between measurements.
  delay(200);
}

BLYNK_WRITE(V0)
{
  int pinValue = param.asInt(); // assigning incoming value from pin V1 to a variable
  digitalWrite(led_red, pinValue);
  // process received value
}