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

#define SCREEN_WIDTH 128
#define SCREEN_HEIGHT 64

#define OLED_RESET 4

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

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");

  if(!display.begin(SSD1306_SWITCHCAPVCC,0x3C)){
    Serial.println(F("SSD1306 allocation failed"));
    for(;;);
  }
}

void loop() {
  // put your main code here, to run repeatedly:
  delay(10); // this speeds up the simulation

  display.clearDisplay();
  display.drawCircle(50,30,30,WHITE);
  display.display();

  delay(1000);


}