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

// OLED width and height
#define SCREEN_WIDTH 128
#define SCREEN_HEIGHT 64

// I2C pins for ESP32-CAM
#define I2C_SDA 
#define I2C_SCL 14

// OLED reset
#define OLED_RESET -1
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);

void setup() {
  // Start Serial
  Serial.begin(115200);

  // Init I2C with custom pins
  Wire.begin(I2C_SDA, I2C_SCL);

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

  // Clear screen
  display.clearDisplay();

  // Set text
  display.setTextSize(1);      // Normal text size
  display.setTextColor(SSD1306_WHITE);
  display.setCursor(0, 0);

  display.println("Hello from");
  display.println("ESP32-CAM!");
  display.println("----------------");
  display.println("OLED Test OK");

  // Show text
  display.display();
}

void loop() {
  // nothing here
}