WIFI Tank code test

#include <ESP8266WiFi.h>
#include <SabertoothSimplified.h>
#include <SoftwareSerial.h>

const char* ssid = "YOURSSIDHERE";//Enter your Wifi SSID/name here.
const char* password = "YOURPASSWORDHERE";//Enter your password for your wifi here.

int ledPin = 13; // GPIO13
WiFiServer server(80);
SabertoothSimplified ST;//Declaring the Sabertooth controller for the Arduino. Connect S1 of the Sabertooth to Tx of the Arduino OR
//in this case, connect to the NodeMCU.
char breceived = 'S';
char prevreceived;


void setup() {
  SabertoothTXPinSerial.begin(9600);//Communication to the Sabertooth controller at 9600.S
  Serial.begin(115200);
  delay(10);


  pinMode(ledPin, OUTPUT);
  digitalWrite(ledPin, LOW);

  // Connect to 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");

  // Start the server
  server.begin();
  Serial.println("Server started");

  // Print the IP address
  Serial.print("Use this URL to connect: ");
  Serial.print("http://");
  Serial.print(WiFi.localIP());
  Serial.println("/");

}

void loop() {
  // Check if a client has connected
  WiFiClient client = server.available();
  if (!client) {
    return;
  }

  // Wait until the client sends some data
  Serial.println("new client");
  while(!client.available()){
    delay(1);
  }

  // Read the first line of the request
  String request = client.readStringUntil('\r');
  Serial.println(request);
  client.flush();

  // Match the request

  int value = LOW;
  if (request.indexOf("/LED=ON") != -1)  {
    digitalWrite(ledPin, HIGH);
    value = HIGH;
  }
  if (request.indexOf("/LED=OFF") != -1)  {
    digitalWrite(ledPin, LOW);
    value = LOW;
  }
  int motorState = 0;
  if (request.indexOf("/MOTOR=FORWARD") != -1)  {
    ST.motor(1,-50);
    ST.motor(2,-50);
    motorState = 1;

  }
  if (request.indexOf("/MOTOR=BACKWARD") != -1)  {
    ST.motor(1,50);
    ST.motor(2,50);
    motorState = 2;
  }
  if (request.indexOf("/MOTOR=LEFT") != -1)  {
    ST.motor(1,0);
    ST.motor(2,50);
    motorState = 3;
  }
  if (request.indexOf("/MOTOR=RIGHT") != -1)  {
    ST.motor(1,50);
    ST.motor(2,0);
    motorState = 4;
  }
  if (request.indexOf("/MOTOR=STOP") != -1)  {
    ST.motor(1,0);
    ST.motor(2,0);
    motorState = 0;
  }


// Set ledPin according to the request
//digitalWrite(ledPin, value);

  // Return the response
  client.println("HTTP/1.1 200 OK");
  client.println("Content-Type: text/html");
  client.println(""); //  do not forget this one
  client.println("<!DOCTYPE HTML>");
  client.println("<html>");

  client.print("Led pin is now: ");

  if(value == HIGH) {
    client.print("On");
  } else {
    client.print("Off");
  }
  client.print("    Robot is now: ");
  if(motorState == 0){
    client.print("Stop");
  }
  if(motorState == 1){
    client.print("Moving Forward");
  }
  if(motorState == 2){
    client.print("Moving Backward");
  }
  if(motorState == 3){
    client.print("Rotating Left");
  }
  if(motorState == 4){
    client.print("Rotating Right");
  }

  client.println("<br><br>");
  client.println("<a href=\"/LED=ON\"\"><button>Turn On </button></a>");
  client.println("<a href=\"/LED=OFF\"\"><button>Turn Off </button></a><br />");
  client.println("<br><br>");
  client.println("<br><br>");
  client.println("<a href=\"/MOTOR=FORWARD\"\"><button>Forward </button></a>");
  client.println("<a href=\"/MOTOR=BACKWARD\"\"><button>Backward </button></a><br />");
  client.println("<a href=\"/MOTOR=LEFT\"\"><button>Rotate Left </button></a>");
  client.println("<a href=\"/MOTOR=RIGHT\"\"><button>Rotate Right </button></a><br />");
  client.println("<a href=\"/MOTOR=STOP\"\"><button>Stop Moving </button></a><br />");
  client.println("</html>");

  delay(1);
  Serial.println("Client disonnected");
  Serial.println("");

}