#include <Adafruit_NeoPixel.h>

int N_LED = 40;
int din = 12;
Adafruit_NeoPixel ring = Adafruit_NeoPixel(N_LED, din);

void setup() {
  Serial.begin(9600);
  ring.begin();
}

void loop() {
  // First set of colors
  glowColors(255, 0, 0, "Red");
  glowColors(0, 255, 0, "Green");
  glowColors(0, 0, 255, "Blue");

  // Second set of colors
  glowColors(255, 255, 0, "Yellow");
  glowColors(255, 255, 255, "White");
  glowColors(255, 182, 193, "Pink");

  // Repeat the loop
}

void glowColors(int red, int green, int blue, String colorName) {
  for (int i = 0; i < N_LED; i++) {
    ring.setPixelColor(i, ring.Color(red, green, blue));
    ring.show();
    delay(1000);
  }
  
  // Display color name on console
  Serial.println(colorName);

  // Pause before switching to the next color
  delay(200);
}