#include <Wire.h>                   // Include Wire library for I2C
#include <Adafruit_GFX.h>          // Include Adafruit graphics library
#include <Adafruit_SSD1306.h>      // Include Adafruit SSD1306 OLED library

#define SCREEN_WIDTH 128           // Define width of the screen
#define SCREEN_HEIGHT 64           // Define height of the screen

// Create an instance of the OLED display
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, -1);

void setup() {
    // Initialize serial communication for debugging
    Serial.begin(115200);
    
    // Initialize the OLED display
    if (!display.begin(SSD1306_I2C_ADDRESS, 0x3C)) { // Check if display is connected
        Serial.println(F("SSD1306 allocation failed"));
        for (;;); // Don't proceed, loop forever
    }
    
    display.clearDisplay();            // Clear the buffer
    display.setTextSize(1);            // Set text size to 1
    display.setTextColor(WHITE);       // Set text color to white
    display.setCursor(0, 0);           // Set cursor position to top left corner
    display.print("Hello, Wokwi!");    // Print message to display
    display.display();                  // Display all changes on the screen
}

void loop() {
    
}