/*

*/
int leds[3] = {8, 9, 10};

void setup() {
  for (int i = 0; i <= 2; i++){
    pinMode(leds[i], OUTPUT);
  }

  digitalWrite(leds[2], LOW);
  digitalWrite(leds[1], LOW);
  digitalWrite(leds[0], LOW);
  sendOut(convertToBin(6));

}

void loop() {

}

String convertToBin(int number){
  int num = number;
  String bin = "";
  int bit;
  int quot;
  String temp;
  while(num > 0){
    bit = num % 2;
    temp = bin;
    bin = bit + temp;
    num = (int)num/2;
  }
  return bin;
}

void sendOut(String bin){
  /*
  digitalWrite(leds[2], 0);
  digitalWrite(leds[1], 1);
  digitalWrite(leds[0], 0);
  */

  digitalWrite(leds[2], bin.charAt(0));
  digitalWrite(leds[1], bin.charAt(1));
  digitalWrite(leds[0], bin.charAt(2));
}