#include <WiFi.h>
#include <WebServer.h>
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#define WIFI_NAME "Wokwi-GUEST"
#define WIFI_PASSWORD ""
Adafruit_SSD1306 display(128,64,&Wire,-1);
WebServer server(80);
void setup(){
WiFi.begin(WIFI_NAME,WIFI_PASSWORD); 
while(WiFi.status()!=WL_CONNECTED) 
delay(500);
display.begin(SSD1306_SWITCHCAPVCC,0x3C); 
display.clearDisplay();
server.on("/",[]()
{
  server.send(200,"text/html","<h1>ESP32 is online</h1><p>IP:"+WiFi.localIP().toString()+"</p>");
}
);
server.begin();
}
void loop(){
server.handleClient(); display.clearDisplay(); 
display.setTextSize(1); 
display.setTextColor(WHITE);
display.setCursor(0,0); 
display.println("Ketan's ESP32 ");
display.println("IoT Online"); 
display.println(WiFi.localIP()); 
display.display();
}