// the setup function runs once when you press reset or power the board
void setup() {
  // initialize digital pin LED_BUILTIN as an output.
  pinMode(LED_BUILTIN, OUTPUT);
}

// the loop function runs over and over again forever
void loop() {
  digitalWrite(LED_BUILTIN, HIGH);   // turn the LED on (HIGH is the voltage level)
  delay(1000);                       // wait for a second
  digitalWrite(LED_BUILTIN, LOW);    // turn the LED off by making the voltage LOW
  delay(1000);                       // wait for a second
}

int pinArray[] = {2, 3, 4, 5, 6, 7};
int count = 0;
int timer = 100;

void setup(){
  // we make all the declarations at once
  for (count=0;count<6;count++) {
    pinMode(pinArray[count], OUTPUT);
  }
}

void loop() {
  for (count=0;count<6;count++) {
   digitalWrite(pinArray[count], HIGH);
   delay(timer);
   digitalWrite(pinArray[count], LOW);
   delay(timer);
  }
  for (count=5;count>=0;count--) {
   digitalWrite(pinArray[count], HIGH);
   delay(timer);
   digitalWrite(pinArray[count], LOW);
   delay(timer);
  }
}

console.log('Starting Blink sample...');

// import gpio module
var gpio = require('gpio');

// LED0 is one of the onboard LEDs on the Arduino 101
// 'out' mode is default, could be left out
var pin = gpio.open({pin: 'LED0', mode: 'out', activeLow: true});

// remember the current state of the LED
var toggle = 0;

// schedule a function to run every 1s (1000ms)
setInterval(function () {
    toggle = 1 - toggle;
    pin.write(toggle);
}, 1000);