Wokwi - Online ESP32, STM32, Arduino Simulator

//Importanto a biblioteca
#include <WiFi.h>
#include <WebServer.h>
#include "DHT.h"
#include <Adafruit_Sensor.h>

String nome_wifi = "Wokwi-GUEST";
String senha = "";

int pinDHT = 4;
DHT sensorDHT(pinDHT, DHT11);

WebServer servidor(80);

int pinLED = 23;

void setup() {
  pinMode(pinLED, OUTPUT);

  Serial.begin(9600);
  
  //Chamando finção para conectar no wifi
  conectarWifi();

  sensorDHT.begin();

  servidor.begin();
}

void loop() {
  //Verificando as requisições no servidor
  servidor.handleClient();
  delay(1000);
}

void pagPrincipal() {
  float umid = sensorDHT.readHumidity();
  float temp = sensorDHT.readTemperature();

  String html = "<html>";
  html += "<body>";
  html += "<h1>Temperatura e Umidade </h1>";
  html += "<p>Umidade: " + String(umid) + "%</p>";
  html += "<p>Temperatura: " + String(temp) + "ºC</p>";
  html += "</body>";
  html += "</html>";

  servidor.send(200, "text/html", html);
}

//Função criada para configurar e conectar à WiFi
void conectarWifi() {
  WiFi.begin(nome_wifi, senha);

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

  Serial.print("WiFi conectado no IP: ");
  Serial.println(WiFi.localIP());

  //Definição das rotas do servidor web
  servidor.on("/", pagPrincipal);
  servidor.on("/led", pgLed);
  servidor.on("/on", pgon);
  servidor.on("/off", pgoff);
}

void pgLed() {
  String html = "<html>";
  html += "<body>";
  html += "<h1>Controle de LED</h1>" ;
  html += "<p><a href=\"/on\"><button>Ligar LED</button></a></p>";
  html += "<p><a href=\"/off\"><button>Desligar LED</button></a></p>";
  html += "</body></html>";

  servidor.send(200, "text/html", html);
}

void pgon() {
  digitalWrite(pinLED, HIGH);
  servidor.sendHeader("Location", "/led");
}

void pgoff() {
  digitalWrite(pinLED, LOW);
  servidor.sendHeader("Location", "/led");
}