void setup() {
  // put your setup code here, to run once:
  #include <LedControl.h>

const int DIN_PIN = 7;
const int CS_PIN = 6;
const int CLK_PIN = 5;

const byte IMAGES[][8] = {
{
  0b11111111,
  0b00000000,
  0b00000000,
  0b10000000,
  0b10000000,
  0b00000000,
  0b00000000,
  0b11111111
},{
  0b11111111,
  0b00000000,
  0b00000000,
  0b11000000,
  0b11000000,
  0b00000000,
  0b00000000,
  0b11111111
},{
  0b11111111,
  0b00000000,
  0b00000000,
  0b01100000,
  0b01100000,
  0b00000000,
  0b00000000,
  0b11111111
},{
  0b11111111,
  0b00000000,
  0b00000000,
  0b00110000,
  0b00110000,
  0b00000000,
  0b00000000,
  0b11111111
},{
  0b11111111,
  0b00000000,
  0b00000000,
  0b00011000,
  0b00011000,
  0b00000000,
  0b00000000,
  0b11111111
},{
  0b11111111,
  0b00000000,
  0b00000000,
  0b00001100,
  0b00001100,
  0b00000000,
  0b00000000,
  0b11111111
},{
  0b11111111,
  0b00000000,
  0b00000000,
  0b00000110,
  0b00000110,
  0b00000000,
  0b00000000,
  0b11111111
},{
  0b11111111,
  0b00000000,
  0b00000000,
  0b00000011,
  0b00000011,
  0b00000000,
  0b00000000,
  0b11111111
},{
  0b11111111,
  0b00000000,
  0b00000000,
  0b00000001,
  0b00000001,
  0b00000000,
  0b00000000,
  0b11111111
},{
  0b11111111,
  0b00000000,
  0b00000000,
  0b00000011,
  0b00000011,
  0b00000000,
  0b00000000,
  0b11111111
},{
  0b11111111,
  0b00000000,
  0b00000000,
  0b00000110,
  0b00000110,
  0b00000000,
  0b00000000,
  0b11111111
},{
  0b11111111,
  0b00000000,
  0b00000000,
  0b00011000,
  0b00011000,
  0b00000000,
  0b00000000,
  0b11111111
},{
  0b11111111,
  0b00000000,
  0b00000000,
  0b00110000,
  0b00110000,
  0b00000000,
  0b00000000,
  0b11111111
},{
  0b11111111,
  0b00000000,
  0b00000000,
  0b01100000,
  0b01100000,
  0b00000000,
  0b00000000,
  0b11111111
},{
  0b11111111,
  0b00000000,
  0b00000000,
  0b11000000,
  0b11000000,
  0b00000000,
  0b00000000,
  0b11111111
},{
  0b11111111,
  0b00000000,
  0b00000000,
  0b10000000,
  0b10000000,
  0b00000000,
  0b00000000,
  0b11111111
}};
const int IMAGES_LEN = sizeof(IMAGES)/8;

LedControl display = LedControl(DIN_PIN, CLK_PIN, CS_PIN);

void setup() {
  display.clearDisplay(0);
  display.shutdown(0, false);
  display.setIntensity(0, 5);
}

void displayImage(const byte* image) {
  for (int i = 0; i < 8; i++) {
    for (int j = 0; j < 8; j++) {
      display.setLed(0, i, j, bitRead(image[i], 7 - j));
    }
  }
}

int i = 0;

void loop() {
  displayImage(IMAGES[i]);
  if (++i >= IMAGES_LEN ) {
    i = 0;
  }
  delay(333);
}
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
}

void loop() {
  // put your main code here, to run repeatedly:
  delay(10); // this speeds up the simulation
}