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#include <ESP8266WiFi.h>
#include <WebSocketsServer.h>

WebSocketsServer webSocket = WebSocketsServer(81);


void webSocketEvent(uint8_t num, WStype_t type, uint8_t * payload, size_t lenght) {

  switch (type) {
    case WStype_DISCONNECTED:
      Serial.printf("[%u] Disconnected!\n", num);
      break;
    case WStype_CONNECTED:
      {
        IPAddress ip = webSocket.remoteIP(num);
        Serial.printf("[%u] Connected from %d.%d.%d.%d url: %s\n", num, ip[0], ip[1], ip[2], ip[3], payload);

        // send message to client
        webSocket.sendTXT(num, "Connected");
      }
      break;
    case WStype_TEXT:
      Serial.printf("[%u] get Text: %s\n", num, payload);

      // send message to client
      // webSocket.sendTXT(num, "message here");

      // send data to all connected clients
      // webSocket.broadcastTXT("message here");
      break;
    case WStype_BIN:
      Serial.printf("[%u] get binary lenght: %u\n", num, lenght);
      hexdump(payload, lenght);

      // send message to client
      // webSocket.sendBIN(num, payload, lenght);
      break;
  }

}



const char* ssid     = "ESPERT-3020";
const char* password = "espertap";


void setup() {
  Serial.begin(115200);
  delay(10);

  // We start by connecting to a WiFi network

  Serial.println();
  Serial.println();
  Serial.print("Connecting to ");
  Serial.println(ssid);

  WiFi.begin(ssid, password);

  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }

  Serial.println("");
  Serial.println("WiFi connected");
  Serial.println("IP address: ");
  Serial.println(WiFi.localIP());
  webSocket.begin();
  webSocket.onEvent(webSocketEvent);
}

int value = 0;

void loop() {
  webSocket.loop();
}