#include <Adafruit_NeoPixel.h>

// Define the GPIO pin connected to the NeoPixel data input
#define PIN 5

// Define the number of pixels in the NeoPixel ring
#define NUMPIXELS 32

// Create an instance of the Adafruit_NeoPixel class
Adafruit_NeoPixel pixels(NUMPIXELS, PIN, NEO_GRB + NEO_KHZ800);

void setup() {
  // Initialize the NeoPixel library
  pixels.begin();
  pixels.show(); // Turn off all pixels initially
}

void loop() {
  // Example: Rainbow cycle effect
  rainbowCycle(10); // 10ms delay between each color update
}

// Rainbow Cycle Function
void rainbowCycle(uint8_t wait) {
  for (int j = 0; j < 256; j++) { // Full cycle of colors
    for (int i = 0; i < NUMPIXELS; i++) {
      uint16_t colorIndex = (i * 256 / NUMPIXELS + j) & 255;
      pixels.setPixelColor(i, Wheel(colorIndex));
    }
    pixels.show();
    delay(wait);
  }
}

// Generate a color based on a wheel position (0-255)
uint32_t Wheel(byte WheelPos) {
  if (WheelPos < 85) {
    return pixels.Color(WheelPos * 3, 255 - WheelPos * 3, 0);
  } else if (WheelPos < 170) {
    WheelPos -= 85;
    return pixels.Color(255 - WheelPos * 3, 0, WheelPos * 3);
  } else {
    WheelPos -= 170;
    return pixels.Color(0, WheelPos * 3, 255 - WheelPos * 3);
  }
}