#include <Adafruit_NeoPixel.h>
Adafruit_NeoPixel pixels = Adafruit_NeoPixel(32, 26, NEO_GRB + NEO_KHZ800);

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
  pixels.begin();
  pixels.setBrightness(255);
  pixels.show();
}

int i = 0;

void loop() {
  for (int i = 0; i <= 32; i++)
  {
    pixels.setPixelColor(i, 255, 255, 255);
    pixels.show();
    delay(100);
  }
  for (int i = 0; i <= 32; i++)
  {
    pixels.setPixelColor(i, 0, 255, 0);
    pixels.show();
    delay(100);
  }
  //pixels.setPixelColor(i, 255, 255, 255);
  //pixels.show();
  i = (i + 1) % 32;
  delay(100);
}