ESP32 OLED Display, read more at https://ahonerd.com/esp32-oled-display

SSD1306_aho.ino

/***
  Mohamad Ramdan
  Complete project details at https://ahonerd.com
***/

#include "SSD1306.h"

SSD1306 display(0x3c, 21, 22);

long lastDisp = 0;

void oledLoop(long now) {
  if(now - lastDisp > 1000) {
    lastDisp = millis();
    display.clear();
    display.setFont(ArialMT_Plain_16);
    display.setTextAlignment(TEXT_ALIGN_LEFT);
    display.drawString(0, 0, "Test Display");
    display.drawString(0, 23, "SSD1306");
    display.setTextAlignment(TEXT_ALIGN_RIGHT);
    display.drawString(128, 0, String(random(60)));
    display.setTextAlignment(TEXT_ALIGN_CENTER);
    display.drawString(64, 46, "ahoNerd.com");
    display.display();
  }
}

void setup() {
  display.init();
  display.flipScreenVertically();
}

void loop() {
  oledLoop(millis());
}

SSD1306_custom_fonts.ino

/***
  Mohamad Ramdan
  Complete project details at https://ahonerd.com
***/

#include "SSD1306.h"
#include "font.h"

SSD1306 display(0x3c, 21, 22);

long lastDisp = 0;

void oledLoop(long now) {
  if(now - lastDisp > 1000) {
    lastDisp = millis();
    display.clear();
    display.setTextAlignment(TEXT_ALIGN_CENTER);
    display.setFont(ArialMT_Plain_16);
    display.drawString(64, 10, "ahonerd.com");
    display.setFont(URW_Chancery_L_Medium_Italic_22);
    display.drawString(64, 34, "ahonerd.com");
    display.display();
  }
}

void setup() {
  display.init();
  display.flipScreenVertically();
}

void loop() {
  oledLoop(millis());
}

SSD1306_images.ino

/***
  Mohamad Ramdan
  Complete project details at https://ahonerd.com
***/

#include "SSD1306.h"
#include "android_logo.h"

SSD1306 display(0x3c, 21, 22);

void setup() {
  display.init();
  display.flipScreenVertically();
  display.clear();
  display.drawXbm(32, 0, android_width, android_height, android_bits);
  display.display();
}

void loop() {}