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

#define SCREEN_WIDTH 128 // OLED display width, in pixels
#define SCREEN_HEIGHT 64 // OLED display height, in pixels

Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, -1);

void setup() {
  // initialize with the I2C addr 0x3C
  display.begin(SSD1306_SWITCHCAPVCC, 0x3C);
  
  // Clear the buffer.
  display.clearDisplay();

  // Display Text
  display.setTextSize(3);
  display.setTextColor(WHITE);
  display.setCursor(15, 20);
  display.print("Hello!");
  display.display();
}

void loop() {}