#include "Freenove_WS2812_Lib_for_ESP32.h"

#define LEDS_COUNT 64
#define LEDS_PIN   9
#define CHANNEL    0
#define br 255

Freenove_ESP32_WS2812 strip = Freenove_ESP32_WS2812(LEDS_COUNT, LEDS_PIN, CHANNEL, TYPE_GRB);

int idx = 0;

void setup() {
  Serial.begin(115200);
  strip.begin();
  strip.setBrightness(br);
}

void loop() {
  for (int i = 0; i <= 255; i++) {
    strip.setAllLedsColor(strip.Wheel((256 / LEDS_COUNT + i) & 255));
    delay(20);
  }
}