/*
    XIAO ESP32 name tag
    Markus Opitz 2026
*/


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


#define SCREEN_WIDTH 128
#define SCREEN_HEIGHT 64
#define SDA_PIN D9
#define SCL_PIN D10

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


//==========================================================
// SETUP
//==========================================================
void setup() {
  Serial.begin(115200);
  Wire.begin(SDA_PIN, SCL_PIN);

  if (!display.begin(SSD1306_SWITCHCAPVCC, 0x3D)) {  // or try address 0x3C
    for (;;);
  }

  display.setRotation(0);
  display.clearDisplay();
  display.setTextColor(SSD1306_WHITE);

  drawText();

}


void drawText() {
 
    display.setTextSize(1);
    display.setCursor(1, 1);
    display.println("Hello, I am");

    display.setTextSize(3);
    display.setCursor(10, 32);
    display.println("Markus");

    display.display();

}


void loop() {

}