   pinMode(TRIG_PIN, OUTPUT);
   pinMode(ECHO_PIN, INPUT);
 
-#if defined(__AVR_ATtiny85__)
-  if (F_CPU == 16000000)
-    clock_prescale_set(clock_div_1);
-#endif
+  #if defined(__AVR_ATtiny85__)
+    if (F_CPU == 16000000)
+      clock_prescale_set(clock_div_1);
+  #endif
 
   initColors();
 

#define TUNING 9 // Tunes range-finding to cm distance between pixels
#define FPS 50
#define NUM_PIXELS 50
#define TRAIL_LENGTH 10

Adafruit_NeoPixel strip = Adafruit_NeoPixel(NUM_PIXELS, PIN, NEO_GRB + NEO_KHZ800);


        colors[i] = strip.Color(255, 255, 0);
        break;
      case 4:
        colors[i] = strip.Color(0, 255, 255);
        break;
    }
  }
