#define led_red 2
#define led_yellow 0
#define led_green 4
#define led_blue 15
#define led_orange 13
#define led_white 12
#define led_violet 14
#define led_pink 27
#define led_indigo 25
void setup() {
  pinMode(led_red, OUTPUT);
  pinMode(led_yellow, OUTPUT);
  pinMode(led_green, OUTPUT);
  pinMode(led_blue, OUTPUT);
  pinMode(led_orange, OUTPUT);
  pinMode(led_white, OUTPUT);
  pinMode(led_violet, OUTPUT);
  pinMode(led_pink, OUTPUT);
  pinMode(led_indigo, OUTPUT);
}

void loop() {
  //red
 digitalWrite(led_red, HIGH);
 digitalWrite(led_yellow, LOW);
 digitalWrite(led_green, LOW);
 digitalWrite(led_blue, LOW);
 digitalWrite(led_orange, LOW);
 digitalWrite(led_white, LOW);
 digitalWrite(led_violet, LOW);
 digitalWrite(led_pink, LOW);
 digitalWrite(led_indigo, LOW);
 delay(500);

  //yellow
 digitalWrite(led_red, LOW);
 digitalWrite(led_yellow, HIGH);
 digitalWrite(led_green, LOW);
 digitalWrite(led_blue, LOW);
 digitalWrite(led_orange, LOW);
 digitalWrite(led_white, LOW);
 digitalWrite(led_violet, LOW);
 digitalWrite(led_pink, LOW);
 digitalWrite(led_indigo, LOW);
 delay(500);

   //green
 digitalWrite(led_red, LOW);
 digitalWrite(led_yellow, LOW);
 digitalWrite(led_green, HIGH);
 digitalWrite(led_blue, LOW);
 digitalWrite(led_orange, LOW);
 digitalWrite(led_white, LOW);
 digitalWrite(led_violet, LOW);
 digitalWrite(led_pink, LOW);
 digitalWrite(led_indigo, LOW);
 delay(500);

  //blue
 digitalWrite(led_red, LOW);
 digitalWrite(led_yellow, LOW);
 digitalWrite(led_green, LOW);
 digitalWrite(led_blue, HIGH);
 digitalWrite(led_orange, LOW);
 digitalWrite(led_white, LOW);
 digitalWrite(led_violet, LOW);
 digitalWrite(led_pink, LOW);
 digitalWrite(led_indigo, LOW);
 delay(500);

  //orange
 digitalWrite(led_red, LOW);
 digitalWrite(led_yellow, LOW);
 digitalWrite(led_green, LOW);
 digitalWrite(led_blue, LOW);
 digitalWrite(led_orange, HIGH);
 digitalWrite(led_white, LOW);
 digitalWrite(led_violet, LOW);
 digitalWrite(led_pink, LOW);
 digitalWrite(led_indigo, LOW);
 delay(500);

  //white
 digitalWrite(led_red, LOW);
 digitalWrite(led_yellow, LOW);
 digitalWrite(led_green, LOW);
 digitalWrite(led_blue, LOW);
 digitalWrite(led_orange, LOW);
 digitalWrite(led_white, HIGH);
 digitalWrite(led_violet, LOW);
 digitalWrite(led_pink, LOW);
 digitalWrite(led_indigo, LOW);
 delay(500);

  //pink
 digitalWrite(led_red, LOW);
 digitalWrite(led_yellow, LOW);
 digitalWrite(led_green, LOW);
 digitalWrite(led_blue, LOW);
 digitalWrite(led_orange, LOW);
 digitalWrite(led_white, LOW);
 digitalWrite(led_violet, HIGH);
 digitalWrite(led_pink, LOW);
 digitalWrite(led_indigo, LOW);
 delay(500);

  //violet
 digitalWrite(led_red, LOW);
 digitalWrite(led_yellow, LOW);
 digitalWrite(led_green, LOW);
 digitalWrite(led_blue, LOW);
 digitalWrite(led_orange, LOW);
 digitalWrite(led_white, LOW);
 digitalWrite(led_violet, LOW);
 digitalWrite(led_pink, HIGH);
 digitalWrite(led_indigo, LOW);
 delay(500);

  //indigo
 digitalWrite(led_red, LOW);
 digitalWrite(led_yellow, LOW);
 digitalWrite(led_green, LOW);
 digitalWrite(led_blue, LOW);
 digitalWrite(led_orange, LOW);
 digitalWrite(led_white, LOW);
 digitalWrite(led_violet, LOW);
 digitalWrite(led_pink, LOW);
 digitalWrite(led_indigo, HIGH);
 delay(500);

}