const int rows  = 8;
const int cols  = 8;
#define ArrLen(x) (sizeof(x)/sizeof(x[0]))

static unsigned char logo[] = {
  0b00000000,
  0b00000000,
  0b00000000,
  0b00000000,
  0b00000000,
  0b00000000,
  0b00000000,
  0b00000000,
};

uint8_t grid[rows][cols] = {
  {0,1,0,1,0,1,0,1},
  {0,1,0,1,0,1,0,1},
  {0,1,0,1,0,1,0,1},
  {1,1,1,1,1,1,1,1},
  {0,1,0,1,0,1,0,1},
  {0,1,0,1,0,1,0,1},
  {0,1,0,1,0,1,0,1},
  {1,1,1,1,1,1,1,1},
};

unsigned char logo2[(rows*cols)/8] = { 0b00000000 };

void setup() {
  Serial.begin(9600);
  Serial.println("");
  Serial.println(ArrLen(logo2));
  
  for (int i=0; i<ArrLen(logo); i++) {
    Serial.print(i); Serial.print(": "); Serial.println(logo[i], BIN);
  }
}

void loop() {
  delay(1);
}