HSV con pot

#include "FastLED.h"

// How many leds in your strip?
#define NUM_LEDS 8

// For led chips like Neopixels, which have a data line, ground, and power, you just
// need to define DATA_PIN.  For led chipsets that are SPI based (four wires - data, clock,
// ground, and power), like the LPD8806 define both DATA_PIN and CLOCK_PIN
#define DATA_PIN 3
// #define CLOCK_PIN 13

int pot = A0; // hai un pot attaccato al pin A0
int val = 0; // variabile in cui metteremo il valore del pot
// Define the array of leds
CRGB leds[NUM_LEDS];

void setup() {
  Serial.begin(9600);
  pinMode(pot, INPUT);
  FastLED.addLeds<NEOPIXEL, DATA_PIN>(leds, NUM_LEDS);
}

void loop() {
  // Turn the LED on, then pause

  for (int i = 0; i <= 7; i++) {
    //leds[i] = 0x2C5D9D;
    val = analogRead(pot);
    leds[i].setHSV( val, 255, 30 * i); // per l'Hue Saturation and Value
    // leds[i].setRGB( 160, 255, 30*i); // con RBG
    leds[i - 1] = CRGB::Black;
    leds[i + 1] = CRGB::Black;
    Serial.println(val);
    FastLED.show();
    delay(50);
  }
  for (int i = 7; i >= 0; i--) {
    leds[i] = CRGB::Red;
    leds[i - 1] = CRGB::Black;
    leds[i + 1] = CRGB::Black;
    Serial.println(i);
    FastLED.show();
    delay(50);
  }
  //  // Now turn the LED off, then pause
  //  leds[1] = CRGB::Green;
  //  FastLED.show();
  //  delay(500);
  //    // Now turn the LED off, then pause
  //  leds[1] = CRGB::Blue;
  //  FastLED.show();
  //  delay(500);
  //  leds[1] = CRGB::Black;
  //  FastLED.show();
  //  delay(500);


}