#include <MD_Parola.h>
#include <MD_MAX72xx.h>
#include <SPI.h>

// Uncomment according to your hardware type
#define HARDWARE_TYPE MD_MAX72XX::FC16_HW
// #define HARDWARE_TYPE MD_MAX72XX::GENERIC_HW

// Defining size, and output pins
#define MAX_DEVICES 4
#define CS_PIN 5

MD_Parola Display = MD_Parola(HARDWARE_TYPE, CS_PIN, MAX_DEVICES);

void setup() {
  Serial.begin(115200);
  pinMode(4, INPUT_PULLUP);
  Display.begin();
  Display.setIntensity(0);
  Display.displayClear();
}

void loop() {  
  Serial.println("loop");
  Display.setTextAlignment(PA_CENTER);
  Display.print("CONFIG...");
  delay(100);
}