const express = require('express');const http = require('http');const app = express();const path = require('path');const server = http.createServer(app); //cria o servidor socketconst io = require('socket.io')(server);io.on('connection', socket => {    console.log('Usuário conectado:[ID]', socket.id); //mostra no servidor quando um usuário se conecta e informa o id dele    socket.on('sendMessage', data => {        console.log('Message received: ' + data)        // socket.broadcast.emit('receivedMessage', data) //Envia a mensagem para todos conectados na aplicação    });});server.listen(5000, () => {         //configuração da porta     console.log('Servidor online! porta 5000');});

#include <Arduino.h>#include <WiFi.h>#include <ArduinoJson.h>#include <WebSocketsClient.h>#include <SocketIOclient.h>//#include <Hash.h>const char* ssid     = "Acerte o nome do Ratico";const char* password = "HichiKko S2";SocketIOclient socketIO;void hexdump(const void *mem, uint32_t len, uint8_t cols = 16) {  const uint8_t* src = (const uint8_t*) mem;  Serial.printf("\n[HEXDUMP] Address: 0x%08X len: 0x%X (%d)", (ptrdiff_t)src, len, len);  for (uint32_t i = 0; i < len; i++) {    if (i % cols == 0) {      Serial.printf("\n[0x%08X] 0x%08X: ", (ptrdiff_t)src, i);    }    Serial.printf("%02X ", *src);    src++;  }  Serial.printf("\n");}void socketIOEvent(socketIOmessageType_t type, uint8_t * payload, size_t length) {  switch (type) {    case sIOtype_DISCONNECT:      Serial.printf("[IOc] Disconnected!\n");      break;    case sIOtype_CONNECT:      Serial.printf("[IOc] Connected to url: %s\n", payload);      // join default namespace (no auto join in Socket.IO V3)      socketIO.send(sIOtype_CONNECT, "/");      break;    case sIOtype_EVENT:      Serial.printf("[IOc] get event: %s\n", payload);      break;    case sIOtype_ACK:      Serial.printf("[IOc] get ack: %u\n", length);      hexdump(payload, length);      break;    case sIOtype_ERROR:      Serial.printf("[IOc] get error: %u\n", length);      hexdump(payload, length);      break;    case sIOtype_BINARY_EVENT:      Serial.printf("[IOc] get binary: %u\n", length);      hexdump(payload, length);      break;    case sIOtype_BINARY_ACK:      Serial.printf("[IOc] get binary ack: %u\n", length);      hexdump(payload, length);      break;  }}void setup() {  Serial.begin(115200);  WiFi.begin(ssid, password);  while (WiFi.status() != WL_CONNECTED) {    delay(500);    Serial.print(".");  }  Serial.println("");  Serial.println("WiFi connected");  Serial.print("IP address: ");  Serial.println(WiFi.localIP());  delay(5000);  Serial.setDebugOutput(true);  Serial.println();  Serial.println();  Serial.println();  // server address, port and URL  socketIO.begin("192.168.0.101", 5000, "/");  // event handler  socketIO.onEvent(socketIOEvent);}unsigned long messageTimestamp = 0;void loop() {  socketIO.loop();}