#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 oled(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, -1);

void setup() {
  oled.setRotation(2);  // "flips" screen upside down
  oled.setTextSize(2);  // larger characters
  oled.setTextColor(SSD1306_WHITE, SSD1306_BLACK);  // draw white on black
  if (!oled.begin(SSD1306_SWITCHCAPVCC, 0x3C)) {
    Serial.println(F("SSD1306 allocation failed"));
    for (;;); // Don't proceed, loop forever
  }
  // Show initial display buffer contents on the screen --
  // the library initializes this with an Adafruit splash screen.
  oled.display();
  delay(1000);
  oled.clearDisplay();
  oled.setCursor(30, 10);
  oled.print("Hello");
  oled.setCursor(30, 40);
  oled.print("world!");
  oled.display();
}

void loop() {
  // put your main code here, to run repeatedly:
}