Wokwi - Online ESP32, STM32, Arduino Simulator

#include<WiFi.h>
#include <WebServer.h>

const char* ssid = "Wokwi-GUEST"; 
const char* passwd = ""; 
const int led_biru = 16;
const int led_merah = 14;
const int led_kuning = 12;
const int led_hijau = 13;
const int sakelar_relay = 5;


WebServer server(80); 

const char MAIN_page[] PROGMEM = R"=====(
<!DOCTYPE html>
<html>
<body>
<center>
<h1>Uji coba IOT menggunakan NodeMCU ESP8266 oleh Budi Setiawan S1 TD kelas Alpha </h1><br>


Tekan untuk <a href="ledMerahOn" target="myIframe_1">led_merah ON</a><br>
<br>
Tekan untuk <a href="ledMerahOff" target="myIframe_1">led_merah OFF</a><br>
<br><br>
Tekan untuk <a href="ledKuningOn" target="myIframe_1">led_kuning ON</a><br>
<br>
Tekan untuk <a href="ledKuningOff" target="myIframe_1">led_kuning OFF</a><br>
<br>
Tekan untuk <a href="ledHijauOn" target="myIframe_1">led_hijau ON</a><br>
<br>
Tekan untuk <a href="ledHijauOff" target="myIframe_1">led_hijau OFF</a><br>
<br>
Tekan untuk <a href="relayOn" target="myIframe_1">relay ON</a><br>
<br>
Tekan untuk <a href="relayOff" target="myIframe_1">relay OFF</a><br>
<br>
<br>
<br>
<br>



<iframe name="myIframe_1"  width="120" height="80" frameBorder="0"><br>

</center>
</body>
</html>
)=====";


void tampilan_utama() {
 String s = MAIN_page; //Read HTML contents
 server.send(200, "text/html", s); //Send web page
}

void led_merah_on() { 
 digitalWrite(led_merah,HIGH); 
 server.send(200, "text/html", "MERAH ON"); 
}
void led_merah_off() { 

 digitalWrite(led_merah,LOW);
 digitalWrite(sakelar_relay,HIGH);
 server.send(200, "text/html", "MERAH OFF"); 
}

void led_kuning_on() { 
 digitalWrite(led_kuning,HIGH); 
 server.send(200, "text/html", "KUNING ON"); 
}
void led_kuning_off() { 
 digitalWrite(led_kuning,LOW);
 server.send(200, "text/html", "KUNING OFF"); 
}


void led_hijau_on() { 
 digitalWrite(led_hijau,HIGH); 
 server.send(200, "text/html", "HIJAU ON"); 
}
void led_hijau_off() { 
 digitalWrite(led_hijau,LOW);
 server.send(200, "text/html", "HIJAU OFF"); 
}

void relay_on() { 
 digitalWrite(sakelar_relay,LOW); 
 server.send(200, "text/html", "RELAY ON"); 
}
void relay_off() { 
 digitalWrite(sakelar_relay,HIGH);
 server.send(200, "text/html", "RELAY OFF"); 
}




void setup() {
  Serial.begin(115200);
  
  pinMode(led_biru,OUTPUT);
  pinMode(led_merah,OUTPUT);
  pinMode(led_kuning,OUTPUT);
  pinMode(led_hijau,OUTPUT);
  pinMode(sakelar_relay,OUTPUT);
  digitalWrite(sakelar_relay,HIGH);

  
  WiFi.begin(ssid, passwd);  
  while(WiFi.status() != WL_CONNECTED){

    delay(100);
    digitalWrite(led_biru, HIGH);
    delay(100);
    digitalWrite(led_biru, LOW);
    Serial.println(".");
   }
   digitalWrite(led_biru, HIGH);

   Serial.println("berhasil terhubung ke WiFi");
   Serial.print("IP Adrress : ");   
   Serial.println(WiFi.localIP());
   
   server.on("/", tampilan_utama);
   server.on("/ledMerahOn", led_merah_on); 
   server.on("/ledMerahOff", led_merah_off);
   server.on("/ledKuningOn", led_kuning_on); 
   server.on("/ledKuningOff", led_kuning_off);   
   server.on("/ledHijauOn", led_hijau_on); 
   server.on("/ledHijauOff", led_hijau_off); 
   server.on("/relayOn", relay_on); 
   server.on("/relayOff", relay_off);    
   server.begin();     //Menjalankan server
   Serial.println("Server jalan");
}

void loop() {
  server.handleClient();
}