# frozen_string_literal: true

#!/usr/bin/env ruby

require 'bundler'
require 'rpi_gpio'

Bundler.setup
Bundler.require


BLUE = 37
WHITE = 35
RED = 33
GREEN = 31
YELLOW = 29
leds = [BLUE, WHITE, RED, GREEN, YELLOW]


io = RPi::GPIO
io.set_numbering :board

leds.each do |led|
  io.setup led, as: :output, initialize: :low
  io.set_low led
end

10.times do
  5.times do |i|
   sleep 0.5
   io.set_high leds[i]
   io.set_low leds[i - 1]
  end
end
io.reset