#include <Adafruit_NeoPixel.h>

#define PIN        2      
#define NUMPIXELS 16     
#define POT_PIN    A0     

Adafruit_NeoPixel pixels(NUMPIXELS, PIN, NEO_GRB + NEO_KHZ800);

void setup() {
  pixels.begin();         
  pixels.show();          
}

void loop() {
  int potValue = analogRead(POT_PIN);   

  // Renk hesapla: kırmızıdan yeşile geçiş için
  int red = map(potValue, 0, 1023, 0, 255);
  int green = map(potValue, 0, 1023, 255, 0);
  int blue = 255 - abs(red - green); 

  for (int i = 0; i < NUMPIXELS; i++) {
    pixels.setPixelColor(i, pixels.Color(red, green, blue));
  }

  pixels.show();    
  delay(20);        
}