 #define stripLength 6
 
 //  The overall fire brightness
-int brightness = 225;
+const int brightness = 225;
 
 struct RGB {
   byte r;

#include <Adafruit_NeoPixel.h>
#ifdef __AVR__
  #include <avr/power.h>
#endif

#define leftPin 5

RGB flameColors[] = {
  { 255, 95, 0},  // Orange flame
  { 226, 15, 30}    // Red flame
};

//  Tracks the current color
const int currentColorIndex = 0;

Adafruit_NeoPixel leftStrip = Adafruit_NeoPixel(stripLength, leftPin, NEO_GRB + NEO_KHZ800);
Adafruit_NeoPixel rightStrip = Adafruit_NeoPixel(stripLength, rightPin, NEO_GRB + NEO_KHZ800);


void setup() {

  #if defined (__AVR_ATtiny85__)
    if (F_CPU == 16000000) clock_prescale_set(clock_div_1);
  #endif

  leftStrip.begin();
  rightStrip.begin();
  leftStrip.setBrightness(brightness);
  rightStrip.setBrightness(brightness);
  leftStrip.show();
  rightStrip.show();
}

