lcd esp 8266

#include <ESP8266WiFi.h>
#include <Wire.h>
#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27, 16, 2);

IPAddress ip(192, 168, 2, 2);
IPAddress gateway(192, 168, 2, 1);
IPAddress subnet(255, 255, 255, 0);
IPAddress dns(192,168, 2, 209);

const char* ssid = "Ju";
const char* password = "Pizza123";

WiFiServer server(80);

const char INDEX_HTML[] =
"<!DOCTYPE HTML>"
"<html>"
"<head>"
"<meta name=\"viewport\" content=\"width=device-width, initial-scale=1\">"
"</head>"
"<body>"
"<FORM action=\"/\">"
"Produto E Preco<br>"
"<input type=\"text\" name=\"1\">"
"<br>"
"<input type=\"text\" name=\"2\">"
"<br><br>"
"<input type=\"submit\" value=\"Atualizar Etiqueta\">"
"</FORM>"
"</body>"
"</html>";

void setup() {
  Serial.begin(9600);
  delay(10);

  Serial.println();
  Serial.println();
  Serial.print("Conectando com ");
  Serial.println(ssid);

  WiFi.config(ip, dns, gateway, subnet);
  WiFi.begin(ssid, password);

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

  server.begin();
  Serial.print("Servidor iniciado em: ");

  Serial.println(WiFi.localIP());

  lcd.init();
  lcd.backlight();

  lcd.setCursor(0, 0);
  lcd.print("AGUARDE");
  lcd.setCursor(0, 1);
  lcd.print("INICIANDO");
}

void loop() {

  WiFiClient client = server.available();
  if (!client) {
    return;
  }

  //Serial.println("Cliente encontrado");
  while(!client.available()){
    delay(1);
  }

  String request = client.readStringUntil('\r');
  //Serial.println(request);
  client.flush();

  if(request.indexOf("1=") != -1) {

    //request = request.replace("+", " ");

    String dados1 = request.substring(request.indexOf("1=") + 2, request.indexOf("2=") - 1);
    dados1.replace("+", " ");

    Serial.print("1 -");
    Serial.print(dados1);
    Serial.println("-");

    String dados2 = request.substring(request.indexOf("2=") + 2, request.indexOf("HTTP") - 1);
    dados2.replace("+", " ");

    Serial.print("2 -");
    Serial.print(dados2);
    Serial.println("-");

    lcd.setCursor(0, 0);
    lcd.print(dados1);
    lcd.setCursor(0, 1);
    lcd.print(dados2);
  }

  client.println("HTTP/1.1 200 OK");
  client.println("Connection: close");
  client.println("Content-Type: text/html");
  client.println("");

  client.println(INDEX_HTML);

  delay(1);
}