Mini OLED-display gul/blå 0.96 inch 128x64 I2C

/*
 * ==================================================================
 *  Generated by Codey.online  —  https://www.codey.online
 * ==================================================================
 *  Project   : 0.96 Inch I2C OLED Display Demo
 *  Board     : Arduino UNO (arduino:avr:uno)
 *  Parts     : OLED Display 0.96 inch
 *  Libraries : U8g2 2.36.19
 *
 *  Codey Online is an AI-powered browser IDE for Arduino and ESP32.
 *  Describe your project and Codey writes the code, draws the wiring
 *  diagram and uploads it to your board, straight from the browser.
 *  This code is free to use, modify and share, without warranty.
 * ==================================================================
 */

#include <Wire.h>
#include <U8g2lib.h>

// Initialize U8g2 in page-buffer mode for SSD1306 128x64 I2C display
U8G2_SSD1306_128X64_NONAME_1_HW_I2C u8g2(U8G2_R0, /* reset=*/ U8X8_PIN_NONE);

int counter = 0;

void setup() {
  u8g2.begin();
}

void loop() {
  u8g2.firstPage();
  do {
    // Title Header
    u8g2.setFont(u8g2_font_ncenB08_tr);
    u8g2.drawStr(0, 10, "0.96\" OLED Demo");
    u8g2.drawHLine(0, 13, 128);

    // Text info
    u8g2.setFont(u8g2_font_6x10_tr);
    u8g2.drawStr(0, 28, "Uptime:");
    u8g2.setCursor(55, 28);
    u8g2.print(millis() / 1000);
    u8g2.print(" s");

    u8g2.drawStr(0, 42, "Count:");
    u8g2.setCursor(55, 42);
    u8g2.print(counter);

    // Animated progress bar
    int barWidth = (counter % 124);
    u8g2.drawFrame(0, 50, 128, 12);
    u8g2.drawBox(2, 52, barWidth, 8);
  } while (u8g2.nextPage());

  counter++;
  delay(100);
}

/*
 * ==================================================================
 *  Generated by Codey.online  —  https://www.codey.online
 * ==================================================================
 *  Project   : ESP32 0.96" I2C OLED Display Demo
 *  Board     : ESP32 DEVKIT V1 (esp32:esp32:esp32doit-devkit-v1)
 *  Parts     : OLED Display 0.96 inch
 *  Libraries : Adafruit SSD1306 2.5.16, Adafruit GFX Library 1.12.6
 *
 *  Codey Online is an AI-powered browser IDE for Arduino and ESP32.
 *  Describe your project and Codey writes the code, draws the wiring
 *  diagram and uploads it to your board, straight from the browser.
 *  This code is free to use, modify and share, without warranty.
 * ==================================================================
 */

#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>

#define SCREEN_WIDTH 128
#define SCREEN_HEIGHT 64
#define OLED_RESET    -1
#define SCREEN_ADDRESS 0x3C

Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);

int counter = 0;

void setup() {
  Serial.begin(115200);

  // Initialize I2C and display
  if (!display.begin(SSD1306_SWITCHCAPVCC, SCREEN_ADDRESS)) {
    Serial.println("SSD1306 allocation failed");
    for (;;); // Don't proceed, loop forever
  }

  display.clearDisplay();
  display.setTextColor(SSD1306_WHITE);
  display.setTextSize(1);
  display.setCursor(0, 0);
  display.println("ESP32 OLED Demo");
  display.display();
  delay(2000);
}

void loop() {
  display.clearDisplay();

  // Title
  display.setTextSize(1);
  display.setCursor(0, 0);
  display.println("ESP32 + OLED 0.96\"");
  
  display.drawLine(0, 12, 127, 12, SSD1306_WHITE);

  // Counter display
  display.setCursor(0, 20);
  display.println("Uptime Seconds:");
  display.setTextSize(2);
  display.setCursor(0, 36);
  display.print(counter);

  display.display();

  counter++;
  delay(1000);
}