#!/usr/bin/env python3

import time
import RPi.GPIO as GPIO

GPIO.setmode( GPIO.BCM )

ENABLE = 1; DISABLE = 0

RED = 23; GREEN = 24; BLUE  = 25
RGB = [ RED, GREEN, BLUE ]
RGB2 = RGB[::-1]

for led in RGB:
    GPIO.setup( led, GPIO.OUT )

def race( leds,	start, factor, times, forward=True ):
    t = start
    for x in range( 0, times ):
        for led in leds:
            GPIO.output( led, ENABLE )
            time.sleep( t )
            GPIO.output( led, DISABLE )
	if forward: t /= factor
        else: t *= factor

def main():
    for	x in range( 0, 10 ):
        race( RGB, 0.37, 1.06, 400 )
        race( RGB2, 0.00000023, 1.035, 400, False )

main()

try:
    GPIO.cleanup()
finally:
    pass

   Page Updates
Cisco CCNA Study :: Home Lab Notes
PostgreSQL Backup Script
Generate new Factorio map
Install and setup snmpd on RedHat Enterprise Linux
Install and setup irssi and oidentd on Debian
   Recent Articles
Install xfce4 on Debian
Console Blackjack in Perl
Selenium::WebDriver::Error::UnknownError
Game of Life in C++ using the SDL2
PigPen (dots and boxes) in C++ using the SDL2
   Tags
active-record (2) android (1) apache (1) apt (1) arcade (1) awk (2) backup (1) bash (2) bashrc (1) battleship (1) bdd (1) blackjack (12) book (1) books (1) build (1) c (2) c++ (2) cacti (1) calculator (1) capybara (1) ccna (1) cisco (1) clang (1) clang++ (1) console (5) cpp (2) crm (1) crystal (1) data (1) database (1) debian (7) diff (1) elixir (1) factorio (2) fedora (1) firewall (1) freebsd (1) g++ (1) game (4) games (1) gcc (1) gem (1) git (3) github (1) gmail (1) go-lang (3) google-chrome (1) haml (1) home (1) infix (1) ipv4 (1) irssi (1) kernel (3) lab (1) latin1 (1) life (1) linux (6) lottery (1) matrix (1) meta (1) microsoft (1) moarvm (1) model (1) module (1) mongodb (1) mp3s (1) mutt (1) nautical (1) nqp (1) object (1) oidentd (1) operator (1) orm (2) pairing (1) pair-programming (1) patch (1) perl (1) pigpen (1) postgresql (3) powerball (1) programming (1) psql (1) python (2) python3 (1) raku (16) raspberry-pi (1) raspberrypi (1) reactjs (2) readline (1) retropie (1) reversi (1) rhel (1) ruby (1) sdl2 (4) sed (1) selenium (1) selinux (1) snmpd (1) split (1) ssh (1) stack (1) subnet (1) systemd (1) template (1) test (1) testing (3) tictactoe (1) trace (1) typescript (2) ubuntu (2) utf8 (1) virus (1) war (1) xargs (1) xfce4 (1) xvfb (1) zef (1)

Copyright © 2005 - 2021

GregDonald.com · Contact · EUGOR · Nautical War · CRM12

All Rights Reserved