#include <FastLED.h>
#include <arduinoFFT.h>


// Matrix size
#define NUM_ROWS 16
#define NUM_COLS 16

// Define pins
#define DATA_PIN 6
#define NUM_LEDS NUM_ROWS * NUM_COLS
CRGB leds[NUM_LEDS];

arduinoFFT FFT;

void setup() {
  // put your setup code here, to run once:
FastLED.addLeds<NEOPIXEL, DATA_PIN>(leds, NUM_LEDS);
}

void loop() {
  // put your main code here, to run repeatedly:
  for (int i = 0; i < NUM_LEDS; i++) {
    leds[i]= CRGB::GreenYellow;
    FastLED.show();
    
  }
FastLED.show();
}