#include <Adafruit_NeoPixel.h>

// Pin tanımları / Pin definitions
const int LED_PIN = 4;
const int LED_COUNT = 8;
const int BRIGHTNESS = 60;

// WS2812B: GRB sırası, 800 KHz / WS2812B: GRB order, 800 KHz
Adafruit_NeoPixel strip(LED_COUNT, LED_PIN, NEO_GRB + NEO_KHZ800);

uint16_t hueOffset = 0;

void setup() {
    Serial.begin(115200);

    // Şerit başlat / Init strip
    strip.begin();
    strip.setBrightness(BRIGHTNESS);
    strip.show();

    Serial.println("WS2812B NeoPixel hazir — 8 LED gokkusagi modu");
}

void loop() {
    // Her LED'e farklı hue / Assign hue per LED
    for (int i = 0; i < LED_COUNT; i++) {
        // 65536 = tam hue dairesi / Full hue circle
        uint16_t pixelHue = hueOffset + (i * 65536L / LED_COUNT);

        strip.setPixelColor(i, strip.gamma32(strip.ColorHSV(pixelHue)));
    }

    strip.show();
    hueOffset += 256;
    delay(20);
}