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

#define OLED_RESET 4
Adafruit_SSD1306 display(OLED_RESET);

char studentInfo[2][20] = {"103501645", "Kannangara"}; // Array of phrases to display
int currentPhrase = 0; // Index of current phrase to display
int scrollPos = 128; // Starting position of the phrase

void setup() {
  display.begin(SSD1306_SWITCHCAPVCC, 0x3C);
  display.display();
  delay(1000);
  display.clearDisplay();
}

void loop() {
  display.setTextSize(2);
  display.setTextColor(WHITE);

  int strLength = strlen(studentInfo[currentPhrase]);
  display.setCursor(scrollPos, 16);
  display.print(studentInfo[currentPhrase]);
  display.display();
  delay(1);
  scrollPos--;
  if (scrollPos < -strLength * 6) {
    scrollPos = 128;
    currentPhrase++;
    if (currentPhrase >= 4) {
      currentPhrase = 0;
    }
    display.clearDisplay();
  }

  display.display();
  delay(1);
  display.clearDisplay();
}