  pinMode(led1, OUTPUT);
  pinMode(led2, OUTPUT);
  pinMode(led3, OUTPUT);
+ 
+ //timeOfLastChange = millis();
  //recString.reserve(200);
  //seqIndex = 0;
 }

*/

void setup() {
 //timeOfLastChange = millis();
 Serial.begin(9600);
 pinMode(btn0, INPUT);
 pinMode(btn1, INPUT);

Copyright (c) 2016 Geoff Spielman. All rights reserved.
*/
const int btn0 = 2;
const int btn1 = 3;
const int btn2 = 4;
const int btn3 = 5;
const int led0 = 8;
const int led1 = 9;
const int led2 = 10;
const int led3 = 11;

int btn[] = {btn0, btn1, btn2, btn3};
int led[] = {led0, led1, led2, led3};

//debouncing purposes
unsigned long prevChangeTime[] = {0, 0, 0, 0};
int prevButtonState[] = {0,0,0,0};
int buttonState[] = {0,0,0,0};
unsigned long debounceTime = 50;


/*
