#include <ESP8266WiFi.h>
#include <WiFiUdp.h>
#include <DHT.h>
#define DHTPIN D4
#define DHTTYPE DHT11
DHT dht(DHTPIN, DHTTYPE);
float temp;
char packet[1024];
const char* ssid = "SYS123";
const char* password = "12345678";
const char* udpServerIP = "192.168.137.1";
unsigned int port = 5129;
WiFiUDP Udp;
void setup()
{
  Serial.begin(9600);
  dht.begin();
  WiFi.begin(ssid, password);
  while (WiFi.status() != WL_CONNECTED)
  { delay(500);
    Serial.println("Connecting to WiFi...");
  }
  Serial.println("Wifi connected successfully");
}
void loop()
{ Udp.beginPacket(udpServerIP, port);
  temp = dht.readTemperature();
  Serial.print("Temperature in degree Cel. :");
  Serial.println(temp);
  String tempStr = String(temp);
  tempStr.toCharArray(packet, 1024);
  Udp.write(packet);
  Udp.endPacket();
  delay(500);
}