#include <Adafruit_NeoPixel.h>
  #define strip1_Pin 5              //  Pino de sinal
  const int strip1_NumLeds = 32;   //  Número de Leds
  const int MAX_NUM_LEDS = 32;
  Adafruit_NeoPixel strip1 = Adafruit_NeoPixel(strip1_NumLeds, strip1_Pin, NEO_GRB + NEO_KHZ800);
  float valBrightnessAll = 255;
  // Variáveis de Cores
  uint32_t black,blue,chocolate,cyan,green,gold,orange,pink,purple,red,white,yellow;

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");

  strip1.begin();  
  strip1.show();
  // Inicia Brilho
  strip1.setBrightness(valBrightnessAll);
  // Atribui valores aos nomes das Cores Padrão
  CoresPadrao();
}

void loop() {
  // put your main code here, to run repeatedly:
  delay(100); // this speeds up the simulation

  for (int conta=0; conta<MAX_NUM_LEDS; conta++) {
      strip1.setPixelColor(conta, corAleatoria());
      strip1.show();
      delay(500);
  }
  ApagaLEDS();
}

// Variáveis de Cores Basicas atribui valores
void CoresPadrao() {
   black = strip1.Color(0, 0, 0);
   red = strip1.Color(255, 0, 0);
   green = strip1.Color(0, 255, 0);
   blue = strip1.Color(0, 0, 255);
   cyan = strip1.Color(0, 255, 255);
   purple = strip1.Color(255, 0, 255);
   yellow = strip1.Color(255, 255, 0);
   white = strip1.Color(255, 255, 255);
   chocolate = strip1.Color(210,105,30);
   gold = strip1.Color(153, 153, 0);
   orange = strip1.Color(255, 153, 0);
   pink = strip1.Color(255,192,203);
}
// Apaga Todos os Leds da Fita
void ApagaLEDS() {
  int i = 0;
  for (i = 0; i < strip1.numPixels(); i++) {
    strip1.setPixelColor(i, 0,0,0);
  }
  strip1.show();
  delay (10);
}
// Cores Aleatórias (12 Opções)
uint32_t corAleatoria() {
  int num = random(1,11);
  //Serial.println(num);
  switch (num) {
         case  1: return white; break;
         case  2: return blue; break;
         case  3: return red; break;
         case  4: return green; break;
         case  5: return orange; break;
         case  6: return purple; break;
         case  7: return pink; break;
         case  8: return yellow; break;
         case  9: return chocolate; break;
         case 10: return cyan; break;
         case 11: return gold; break;
         default: return black; break;
  }
}