#include "FastLED.h"
int val = 0;
int incomingByte[49]; // for incoming serial data
int storage[64];

CRGB leds[16];


void setup() {
  Serial.begin(9600); // opens serial port, sets data rate to 9600 bps
  pinMode(LED_BUILTIN, OUTPUT);
  FastLED.addLeds<NEOPIXEL, 8>(leds, 16);
  int counter = 0;
  for (int i = 1; i < 16; i++) {
    int j = i * 3;
    leds[counter].setRGB(0,0,0);
    counter++;
    FastLED.show();
  }
}

void loop() {
  int counter = 0;
  while (Serial.available()) {
    incomingByte[counter] = Serial.read();
    counter++;
    if(counter > 49){
      break;
    }
  }
  delay(100);

  illuminate();
}


void illuminate(){
  int counter = 0;
  for (int i = 1; i < 16; i++) {
    int j = i * 3;
    leds[counter].setRGB(incomingByte[j - 2], incomingByte[j - 1], incomingByte[j]);
    
    counter++;
  }
  FastLED.show();
}