// To have the sketch work correctly, but more slowly add
// "__timingOptimizations": "disable"
// to the "attrs" of your ESP32 part
// #define FASTLED_ALLOW_INTERRUPTS 1
// #define INTERRUPT_THRESHOLD 255
// #define FASTLED_ESP32_I2S
// #define FASTLED_RMT_MAX_CHANNELS 1
// #define FASTLED_RMT_SERIAL_DEBUG 1
#define FASTLED_RMT_BUILTIN_DRIVER 1
#include <FastLED.h>
#define NUM_LEDS 25
CRGB leds[NUM_LEDS];
void setup() {
Serial.begin(9600);
FastLED.addLeds<WS2812B, 5, GRB>(leds, NUM_LEDS);
Serial.println("OK");
}
void loop() {
static uint8_t offset = 0;
for (uint8_t i = 0; i < NUM_LEDS; i++) {
leds[i] = ColorFromPalette(RainbowStripeColors_p, (i + offset), 255);
}
FastLED.show();
offset++;
delay(10);
}