LED Matrix Module MAX7219

#include <LedControl.h>

const int DIN_PIN = 11;
const int CLK_PIN = 13;
const int CS_PIN  = 10;

LedControl lc = LedControl(DIN_PIN, CLK_PIN, CS_PIN, 1);

void setup() {
  Serial.begin(9600);
  lc.shutdown(0, false);   // Wake up the MAX7219
  lc.setIntensity(0, 8);   // 0..15 brightness
  lc.clearDisplay(0);

  Serial.println("MAX7219 LED Matrix example started");
}

void loop() {
  // Light one pixel at a time across the 8x8 matrix.
  for (int row = 0; row < 8; row++) {
    for (int col = 0; col < 8; col++) {
      lc.clearDisplay(0);
      lc.setLed(0, row, col, true);
      Serial.print("Lighting row ");
      Serial.print(row);
      Serial.print(", column ");
      Serial.println(col);
      delay(120);
    }
  }

  // Clear the display briefly before repeating.
  lc.clearDisplay(0);
  delay(400);
}