uint8_t glyph[25] = {0x00};

//randomSeed();

void setup() {
  Serial1.begin(115200);
  Serial1.println("");

  while (millis() < random(1000, 2000))
    randomSeed(micros()),
    delay(1);

  int x, y = 0;
  
  for (int i = 0; i < 25; i++) {
    glyph[i] = (uint8_t)(random(0,2));
    x = (i % 5);
    y = (i / 5);

    if (!x) 
      Serial1.println(), 
      Serial1.print(y),
      Serial1.print(": ");

    Serial1.print(glyph[i]);
    //Serial1.print(x);
    Serial1.print(" ");    
  }
  Serial1.println();
}

void loop() { delay(1); }