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

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

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

void setup() {
  Serial.begin(9600);
  Wire.begin();

  if (!display.begin(SSD1306_SWITCHCAPVCC,
                     OLED_ADDRESS)) {
    Serial.println("OLED Not Found!");
    while (1);
  }

  display.clearDisplay();
  display.setTextColor(SSD1306_WHITE);

  display.setTextSize(2);
  display.setCursor(20, 5);
  display.println("HELLO");

  display.setTextSize(1);
  display.setCursor(15, 35);
  display.println("Arduino UNO");

  display.setCursor(15, 50);
  display.println("OLED TEST OK");

  display.display();

  Serial.println("OLED Started!");
}

void loop() {
}