#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#include <WiFi.h>
#define I2C_A_SDA 21
#define I2C_A_SCL 22
#define SCREEN_WIDTH 128
#define SCREEN_HEIGHT 64
#define OLED_RESET -1
#define SCREEN_ADDRESS 0x3C
const char* ssid = "Wokwi-GUEST"; //ssid wokwi
const char* password = ""; //password wokwi
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire,
OLED_RESET);
void setup() {
 Serial.begin(115200);
 while (!Serial)
 ;
 Wire.begin(I2C_A_SDA, I2C_A_SCL);
 if (!display.begin(SSD1306_SWITCHCAPVCC, SCREEN_ADDRESS)) {
 Serial.println(F("SSD1306 allocation failed"));
 for (;;);
 }
 WiFi.begin(ssid, password);
 while (WiFi.status() != WL_CONNECTED) {
 delay(500);
 Serial.print(".");
 }
 display.clearDisplay();
 display.setTextSize(1);
 display.setTextColor(SSD1306_WHITE);
 display.setCursor(0,0);
 display.print(F("Hello from ESP32"));
 display.setCursor(0, 20);
 display.print(F("Connected to: "));
 display.println(ssid);
 display.print(F("IP Address: "));
 display.println(WiFi.localIP());
 display.display();
 delay(2000);
}
void loop() {
}