 #define PIN_SIGNAL 13
 #define PIN_INPUT  10
 
+int color_set = 0;
+
+// first, let's get ready to blink using some FastSPI_LED2 routines
+// take a look at the FastSPI_LED2 example called Fast2Dev for more usage info
 void setup()
 {  
   LEDS.addLeds<WS2811, PIN_SIGNAL, GRB>(leds, LED_COUNT);
-  LEDS.showColor(CRGB(0, 0, 0));
+  LEDS.showColor(CRGB(0, 0, 0)); // set the color for the strip all at once.
   LEDS.setBrightness(0); // start out with LEDs off
-  LEDS.show();
+  LEDS.show(); // you'll always need to call this function to make your changes happen.
 }
 
+// set the color for all the LEDs based on the color code
 void setcolor(int colorcode) {
 
   for (int i = 0; i < LED_COUNT; i++) {
-    switch(colorcode) {
-      case 0: leds[i].r = 128; break;
+    // instead of setting the color all at once we're going to step through each LED to show how to set them individually
+    switch(colorcode) { 
+      // there are several ways to set colors. We're going to pass a CRGB here, but there are other methods.  
+      // See the Fast2Dev example for the others
+      case 0: leds[i] = CRGB(10 + (i*3),0,0); break; // using the 'i' term will create a brightness gradient in active color 
     
-      case 1: leds[i].g = 128; break;
+      case 1: leds[i] = CRGB(0,10 + (i*3),0); break;
     
-      case 2: leds[i].b = 128; break;
+      case 2: leds[i] = CRGB(0,0,10 + (i*3)); break;
     }
   }
   LEDS.show();
 }
 
+// we'll make the color fade in and out by setting the brightness
 void pulse(int wait_time) {
   // let's fade up by scaling the brightness
   for(int scale = 0; scale < 128; scale++) { 

  for(int scale = 128; scale > 0; scale--) { 
    LEDS.setBrightness(scale);
    LEDS.show();
    delay(10);
  }
}

void loop() {
  int color_set = 2; // 0 for red, 1 for green, 2 for blue
  int waiting_time = 40; //time in ms for color scaling
  
  setcolor(color_set);
  
  pulse(waiting_time);
}

#include <FastSPI_LED2.h>
#include <Animation.h>

#define LED_COUNT 60 // BlinkyTape has 60 LEDs!
struct CRGB leds[LED_COUNT]; // this struct contains 60 CRGB values.  This is where 

#define PIN_BUTTON 10
#define PIN_IO_A   7
