#include <Adafruit_Protomatter.h>

uint8_t rgbPins[] = {2, 3, 4, 5, 6, 7};
uint8_t addrPins[] = {8, 9, 10, 11};
uint8_t clockPin = 12;
uint8_t latchPin = 13;
uint8_t oePin = 14;

Adafruit_Protomatter matrix(
  64, 4, 1, rgbPins, 4, addrPins, clockPin, latchPin, oePin, true
);

void setup() {
  matrix.begin();
  matrix.fillScreen(matrix.color565(255, 0, 0)); // rojo
}

void loop() {}