36 lines
455 B
Ruby
36 lines
455 B
Ruby
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# frozen_string_literal: true
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#!/usr/bin/env ruby
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require 'bundler'
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require 'rpi_gpio'
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Bundler.setup
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Bundler.require
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BLUE = 37
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WHITE = 35
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RED = 33
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GREEN = 31
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YELLOW = 29
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leds = [BLUE, WHITE, RED, GREEN, YELLOW]
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io = RPi::GPIO
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io.set_numbering :board
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leds.each do |led|
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io.setup led, as: :output, initialize: :low
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io.set_low led
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end
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10.times do
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5.times do |i|
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sleep 0.5
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io.set_high leds[i]
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io.set_low leds[i - 1]
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end
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end
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io.reset
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