 
 #include <SignalProcessing.h>
 
-const uint8_t gamma[] = {
+const uint8_t PROGMEM gamma[] = {
     0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
     0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  1,  1,  1,  1,
     1,  1,  1,  1,  1,  1,  1,  1,  1,  2,  2,  2,  2,  2,  2,  2,

  177,180,182,184,186,189,191,193,196,198,200,203,205,208,210,213,
  215,218,220,223,225,228,231,233,236,239,241,244,247,249,252,255 };

//Pin Configurations
int input_pin = 3;                           //pin 2 on ATtiny
int led_pin = 1;                             //pin 6 on ATtiny

{  
  pinMode(led_pin, OUTPUT);
  pinMode(input_pin, INPUT);
}

void loop() 
