#include <LedControl.h>

LedControl ledMatrix= LedControl(11, 13, 10, 1);
void setup() {
  // put your setup code here, to run once:

 ledMatrix.shutdown(0, false);
 ledMatrix.setIntensity (0,4);
 ledMatrix.clearDisplay(0);
}
void loop() {
 for(int row=0; row<8; row++) { 
  for(int column= 0; column <8 ; column++) {
    ledMatrix.setLed(0, row,  column, true); 
    delay(50);
    }
 }
 ledMatrix.clearDisplay(0);
}