#include <WiFi.h>
#include <WiFiUdp.h>

const char* ssid = "Khu Noi Tru 2.4Ghz";
const char* password = "";

const int LED_PIN = 2; 

WiFiUDP udp;

void setup() {
  Serial.begin(115200);
  pinMode(LED_PIN, OUTPUT); 
  WiFi.begin(ssid, password);
  
  while (WiFi.status() != WL_CONNECTED) {
    delay(1000);
    Serial.println("Connecting to WiFi...");
  }
  
  Serial.println("Connected to WiFi");
  udp.begin(8888); 
}

void loop() {
  int packetSize = udp.parsePacket();
  if (packetSize) {
    char packetData[255];
    int len = udp.read(packetData, 255);
    if (len > 0) {
      packetData[len] = '\0';
      Serial.print("Received packet: ");
      Serial.println(packetData);
      digitalWrite(LED_PIN, HIGH); 
      delay(1000);
      digitalWrite(LED_PIN, LOW); 
    }
  }
}