#include <Arduino.h>

int pin_green = 30;
int pin_blue =31;
int pin_yellow = 32;
int pin_orange = 33;
int pin_white = 34;
int pin_purple = 35;
int pin_pink = 36;
int pin_lightgreen = 37;

void setup() {
  pinMode( pin_green, OUTPUT);
  pinMode( pin_blue, OUTPUT);
  pinMode( pin_yellow, OUTPUT);
  pinMode( pin_orange, OUTPUT);
  pinMode( pin_white, OUTPUT);
  pinMode( pin_purple, OUTPUT);
  pinMode( pin_pink, OUTPUT);
  pinMode( pin_lightgreen, OUTPUT);
}

void loop() {
  digitalWrite(pin_green, HIGH);
  digitalWrite(pin_blue, HIGH);
  digitalWrite(pin_yellow, HIGH);
  digitalWrite(pin_orange, HIGH);
  digitalWrite(pin_white, HIGH);
  digitalWrite(pin_purple, HIGH);
  digitalWrite(pin_pink, HIGH);
  digitalWrite(pin_lightgreen, HIGH);
  delay(1000);
  digitalWrite(pin_green, LOW);
  digitalWrite(pin_blue, LOW);
  digitalWrite(pin_yellow, LOW);
  digitalWrite(pin_orange, LOW);
  digitalWrite(pin_white, LOW);
  digitalWrite(pin_purple, LOW);
  digitalWrite(pin_pink, LOW);
  digitalWrite(pin_lightgreen, LOW);
  delay(1000);
}