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

WiFiUDP udp;
char packetBuffer[255];
unsigned int localPort = 9999;
const char *ssid = "Livebox-2660";
const char *password = "qpw6sbLX9xG53MtkZo";

void setup() {
    Serial.begin(115200);
    // Connect to Wifi network.
    WiFi.begin(ssid, password);
    while (WiFi.status() != WL_CONNECTED) {
        delay(500);
        Serial.print(F("."));
    }
    udp.begin(localPort);
    Serial.printf("UDP Client : %s:%i \n", WiFi.localIP().toString().c_str(), localPort);
}

void loop() {
    int packetSize = udp.parsePacket();
    if (packetSize) {
        udp.read(packetBuffer, 255);
        Serial.print("Received data: ");
        Serial.println(packetBuffer);
    }
    delay(500);
}