Sketch

#define BLYNK_PRINT Serial


#include <SPI.h>
#include <Ethernet.h>
#include <BlynkSimpleEthernet.h>
#include <dht.h>
#include <IRremote.h>

char auth[] = "XXXXXXXXXXXXXXXXXXXX";

#define W5100_CS  10

#define DHTPIN 2          // What digital pin we're connected to

#define DHTTYPE DHT11     // DHT 11


DHT dht(DHTPIN, DHTTYPE);
BlynkTimer timer;

IPAddress server_ip (XXX,XXX,XXX,XXX);

EthernetClient client;
byte arduino_mac[] = { 0xXX, 0xD7, 0xDF, 0xA2, 0xA5, 0xXX };
IPAddress arduino_ip (XXX,XX,X,XXX);
IPAddress dns_ip     (XXX,XXX,XX,XXX);
IPAddress gateway_ip (XXX,XXX,X,XXX);
IPAddress subnet_mask(255,255,255,252);


int khz = 38; // 38kHz carrier frequency for both NEC and Samsung

IRsend irsend;

unsigned int irON[] = {3000,9800, 400,1650, 350,650, 350,700, 300,700, 350,1600, 400,700, 300,700, 350,650, 350,650, 350,650, 350,700, 350,650, 350,650, 350,700, 300,700, 300,700, 350,1650, 350,650, 350,1700, 350,1700, 300,700, 300,700, 350,650, 350,650, 350,1700, 300,700, 300,1700, 350,1650, 350};
unsigned int irOFF[] = {3000,9700, 400,1700, 350,750, 250,700, 300,750, 300,1750, 250,600, 450,700, 300,700, 300,1750, 250,1700, 350,750, 250,750, 250,750, 300,700, 300,700, 300,650, 400,650, 350,650, 350,650, 350,600, 400,750, 250,1700, 350,700, 300,1700, 350,650, 350,750, 250,750, 250,1700, 350};
unsigned int irTEMPUP[] = {3008, 9812, 424, 1704, 332, 740, 304, 776, 224, 820, 184, 1864, 208, 800, 224, 736, 300, 740, 276, 740, 304, 784, 216, 736, 304, 780, 216, 1784, 272, 612, 432, 656, 364, 656, 364, 1640, 396, 1668, 368, 668, 348, 620, 424, 592, 428, 788, 208, 808, 248, 716, 312, 708, 312, 1820, 184, 820, 204, 812, 248};
unsigned int irTEMPDOWN[] = {3040, 9756, 424, 1608, 456, 584, 436, 584, 432, 584, 436, 1608, 452, 564, 456, 560, 460, 560, 456, 584, 436, 584, 432, 588, 456, 584, 436, 1608, 452, 564, 456, 584, 436, 584, 432, 1608, 428, 584, 460, 1584, 452, 1584, 456, 584, 432, 584, 436, 584, 432, 584, 436, 584, 436, 580, 460, 1584, 456, 1608, 428};

  BLYNK_WRITE(V1)//LIGA/DESLIGA
  {
  if (param.asInt()){

  irsend.sendRaw(irON, sizeof(irON) / sizeof(irON[0]), khz);

    delay(40);
  }else {

  irsend.sendRaw(irOFF, sizeof(irOFF) / sizeof(irOFF[0]), khz);

    delay(100);
  }
  }
    BLYNK_WRITE(V2)//+TEMP
  {
  if (param.asInt()){

  irsend.sendRaw(irTEMPUP, sizeof(irTEMPUP) / sizeof(irTEMPUP[0]), khz);

    delay(40);
                   }
  }
      BLYNK_WRITE(V3)//-TEMP
  {
  if (param.asInt()){

  irsend.sendRaw(irTEMPDOWN, sizeof(irTEMPDOWN) / sizeof(irTEMPDOWN[0]), khz);

    delay(40);
                   }
  }


void sendSensor()
{
  int h = dht.readHumidity();
  int t = dht.readTemperature();

  if (isnan(h) || isnan(t)) {
    Serial.println("Failed to read from DHT sensor!");
    return;
  }
  Blynk.virtualWrite(V5, h);
  Blynk.virtualWrite(V6, t);
}

void setup()
{
  // Debug console
  Serial.begin(9600);

  Blynk.begin(auth, server_ip, 8442, arduino_ip, dns_ip, gateway_ip, subnet_mask, arduino_mac);

  dht.begin();

  timer.setInterval(1000L, sendSensor);
}

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