Small Computer Suppliers

Mark Sproul 's Page.

Totally unadorned list of posible interesting web sites that may have relevant information on small computers.

Arduino - BoardNano - BoardUno - Nano - Categories - SparkFun Electronics

Microduino Wiki

Arduino-compatible boards

Arduino Robot

Gumstix Linux- and Android-compatible DART-4460


Parallax Basic Stamp

AAG Electronica 1-Wire Weather Instruments
Adafruit Industries, Unique & fun DIY electronics and kits - Limor "Ladyada" Fried
80 Nassau st #4C, New York NY 10038
Animated Lighting. Technology for controlling lights, music, and special effects.
Arduino Blog + Blog Archive + Dinner is Ready
CUI32 PIC32MX Development Stick - SparkFun Electronics
Cisco Security Expert Create the Ultimate Car PC Network World
Ethernet Shield, Arduino Freeduino projects
GardenBot - open source garden automation project
GlobalScale Technologies - GuruPlugs
GuruPlug, the next generation of SheevaPlug - Hack a Day
How To Buy
Jack PC Thin Client - Chip PC Technologies
Light-O-Ramaá Computerized Shows
Magnetic, Reed Digi-Key
Make Your Own Animatronic Screaming Skull Brake Lights With Junkyard Parts!
Marvell Kirkwood Series
New IT - Product Details
New IT - Products
PC Engines ALIX system boards
Phidgets Inc. - Unique and Easy to Use USB Interfaces
PlugApps - Arch Linux ARM
PlugComputer Community
Sheeva Dev Kit - Google Search
Slashdot Stories (10)
The Mini Linux PC the Size of a Wall Plug
The Tower System from Freescale Semiconductor DigiKey
Thin Clients Solutions - Chip PC Technologies
Tiny SBC builds on Cortex-A8 SoC - News - Linux for Devices
U-SNAP IO - Google Search
USB 32-Bit Whacker - PIC32MX460 Development Board - SparkFun Electronics
iButton - Contact Memory, Digital Temperature Data Loggers, Java-powered and Secure eCash Tokens - Maxim
iButton Solution Partners Database - 1-Wire Weather Station
iTWire - Cheap Linux wall warts small on size, big on possibilities
tweet-a-watt adafruit - Google Search
tweet-a-watt œ adafruit industries blog
28930 - Freeduino Starter Bundle - Basic - Bundle Parts œ Products œ Solarbotics
Arduino Duemilanove Cables & Connectors Hobby Boards Complete 1wire Solutions
DS9490R USB 1-wire Adapter
S4 1-Wire USB Interface
The World Famous Index of Arduino & Freeduino Knowledge
usb 1wire - Google Search

$100 Linux wall-wart launches - News - Linux for Devices
Aleutia - Home of fast energy efficient PCs, fanless PCs, completely silent 12V DC Computers
ALEUTIA provides a range of unique PCs and servers all with a focus on energy efficiency. Each system is stress-tested and assembled in the UK to ensure the outstanding build quality and reliability required to operate in remote area with no support.
Amahi Home Server - Making Home Networking Simple Amahi for the Marvell Plug Computer released! Get yours FREE! Amahi Blog
Arduino - HomePage
Atmega328 PDIP28 IN STOCK Atmega328P-PU Arduino Bootloader
CTERA C200 CTERA Networks
CTERA CloudPlug CTERA Networks
Compact High Accuracy Temperature Sensor ICs Sensor ICs ICs ROHM CO., LTD.
Displays Modern Device
FTDI Products
Linux Wall Wart Works Wonderfully - A Computer in a Wart - Reviews - LinuxPlanet
Make Online $100 Linux wall-wart launches
Marvell Plug Computer Marvell unveils $99 wall-wart Linux PC - The Tech Report
Meet Zonbu The Cloud-assisted OS NKC Electronics @ BEST PRICED Arduino boards, Freeduino, IC PCB adapters, Connectors, Pin Headers. FAST GLOBAL SHIPPING
NorhTec - Products
OneWire Controller for the Basic Stamp, PICAXE and Arduino
PlugComputer Community
SmartReader Plus 2 - Products - ACR Systems Data Loggers and Data Logging Solutions
The Mini Linux PC the Size of a Wall Plug
Weather Stations at weather instruments, weather radios, and more
Welcome to Embedded Data Systems - The Source for iButtons, 1-Wire, and Wireless Products
Wiring (simlar to Arduino but pricer)

Texas Instruments Embedded Processors MSP430 LaunchPad ( MSP-EXP430G2 ) and here

BeagleBoard is an all volunteer activity started-up by a collection of passionate individuals, including several employees of Texas Instruments, interested in creating powerful, open, and embedded devices. The BeagleBoard is an ultra-low cost ($149), high performance, low power OMAP3 based platform designed by community members.

SparkFun Electronics, USB Bit Whacker - 18F2553 Development Board, B. Schmalz UBW designs, Brian Schmalz
USB Development forum (often discusses the UBW)

USB Boarduino (Arduino clone) Kit w/ATmega328

Arduino Clone Arduino Duemilanove with ATMega328 (Clone version), iStore
1x StickDuino USB Arduino Clone Development Board PCB
Freeduino 2009
Arduino playground
Modern Device , Temp Sensor

PSoC® 3 is a true programmable embedded system-on-chip, Cypress Semiconductor Corporation

The World Famous Index of Arduino & Freeduino Knowledge

PIC Microcontroller



A RESTful Web service , an example

RESTful Web Services

Restlet (Java)

Building Web Services the REST Way

Towards RESTful PHP

Recess is an open source RESTful PHP framework

Google search RESTful PHP

Internet Of Things
The Internet of Things: Networked Objects and Smart Devices PDF

Pachube and Cosm now Xively Cloud Services --> Xively; Lower cost alternative: GroveStreams

Cosm alternatives to record sensor measurements
The main alternatives to Cosm are currently:
- ThingSpeak

Pachube now COSM - data infrastructure for the Internet of Things
- IoT - Changed name to COSM (2012)
Now Xively
The Internet of Things : Smart Houses, Smart Traffic, Smart Health
ThingSpeak is an open source Internet of Things application and API to store and retrieve data from things using HTTP over the Internet or via a Local Area Network. With ThingSpeak, you can create sensor logging applications, location tracking applications, and a social network of things with status updates. Read more
and another one: ioBridge Imagine a world where everyday things are connected to the web and interact with people and other things.

We see a future of connected products and services. ioBridge was created out of our love of connecting things and the search for inventing new things. We are inspired by the community of developers that keep surprising us with amazing projects and the customers that create amazing products and services based on our technology.

And Google gets into the act; ReadWriteWeb

Processing is a programming language, development environment, and online community that since 2001 has promoted software literacy within the visual arts. Initially created to serve as a software sketchbook and to teach fundamentals of computer programming within a visual context, Processing quickly developed into a tool for creating finished professional work as well.

PDF of Bob Lutz presentation to ACGNJ - Java SIG, Tuesday, April 12th, 2011

FarWatch (DS043)- Remote premise monitoring.

FarWatch - Pachube , DS025 help

NYC Resistor one of the country's most influential hackerspaces .

MITs Scratch is a visual, block-based programming language that enables everyone, especially young people, to create sophisticated and interactive computer programs without having to know a syntax, text-based language.

Anarduino arduino clone kit

Raspberry Pi Foundation - is a UK registered charity (Registration Number 1129409) which exists to promote the study of computer science and related topics, especially at school level, and to put the fun back into learning computing.

Our first product is about the size of a USB key , and is designed to plug into a TV or be combined with a touch screen for a low cost tablet. The expected price is $25 for a fully-configured system.

Pibow" Pimoroni Ltd. - The neat little layer case for your Raspberry Pi®

Mobile Raspberry Pi Computer: Build your own portable Pi-to-Go

Ponte : Arduino Raspberry Pi Bridge

Buying a Gertboard

Gooseberry developer boards: £40 alternative to the Raspberry Pi The Gooseberry Board was announced in a limited production run of 500 units and comes with a 1 GHz overclockable A10 processor, a 400 MHz Mali processor, 4 GB of on-board storage as well as Android 4.03 ICS.

Rhombus-Tech , Allwinner A10 - ARM Cortex A8 SoC Another SoC system - $14 but watch out for software non support.

Strawberry Linux Co

RESTEasy is a JBoss project that provides various frameworks to help you build RESTful Web Services and RESTful Java applications.

chipKIT More Info - $26.95, Digilent , Inc. 32-bit MCU Power for the Arduino" Community
Hack a Day article.

Firebird32 Another Arduino Shield Compatible platform based on the Freescale 32-bit MCF51JM128 Flexis controller.

Fosstrak : Open Source RFID Software Platform

Wikipedia - List of open source hardware projects

LeafLabs open electronics, The Maple

GHI Electronics - FEZ Cobra Main Board, Rhino , Panda , Internet of Things Kit

Another IOT wanabe - Atom-Based JaguarBoard To Take On Raspberry Pi

FUBAR Labs Fair Use Building and Research Labs is a Nonprofit Corporation serving Central New Jersey.

SheevaPlugs , $100 Linux wall-wart launches, GuruPlugs , FreeAgent DockStar Network Adapter | Seagate, Pogoplug , TonidoPlug , etc.

Getting Started with Arduino

Hardware Boarduino
FTDI Friend
Gravitech Parts supplier.
Budget Pack for Arduino (Arduino Uno) - Uno w/328
Chumby Hacker Board - v1.0

The Ruggeduino

Sanguino biger and bader

Android Open Accessory Development Kit

The following list of distributers are currently producing Android Open Accessory compatible development boards:

USB Host Shield for Arduino « Circuits@Home

Nanode is an open source Arduino-like board that has in-built web connectivity. It is a low cost platform for creative development of web connected ideas.
Hackerspaces , London Hackspace , Monsonite

Autodesk 123D

Bitlash Online - an open source interpreted language shell and embedded programming environment. This website documents Bitlash for the popular and useful Arduino.

What is NYC Resistor ? We Learn, Share, and Make things.
A hacker collective with a shared space located in Boerum Hill, Brooklyn.

Firebird32 Another Arduino Shield Compatible platform based on the Freescale 32-bit MCF51JM128 Flexis controller. At, we believe there is no such thing as the Internet of Things.
We rather believe in an Internet of Everything where Humans, Nature, Machines, Objects, Environments, Information, Physical and Virtual spaces all mix up, talk, intertwine, interact, enrich and empower each other in all sorts of ways. This is what we are building and we think that we are not alone.

ZWave (Z-Wave) protocol FAQ


Base price: £35 - with all the needed addons: £148 = $240.84 US$

Tronisoft UK Company, serial devices.

DIY projects: AVR microcontroller electronics

PJRC.COM - Teensy USB Development Board

RadioShack Microcontroller , Velleman , Arduino

PandaBoard is intended to be used as a platform for mobile software development and OMAP" 4 processors are intended for manufacturers of Smartphones and other mobile devices.

TI OMAP4660 ARM Cortex-A9 PandaBoard ES Benchmarks

STMicroelectronics STM32F4DISCOVERY Discovery kit for STM32 F4 series - with STM32F407 MCU ($20)

Beyond The Internet Of Things Towards A Sensor Commons a write up about "The Internet of Things" on SlashDot 1/3/12.

Cotton Candy FXI ($100 - $200)
Kjøpmannsgata 59, 7011 Trondheim, Norway

Technology Specifications:
Quad Core ARM® Mali"-400MP Graphics Processing Unit
Quad-core ARM Mali-400MP 720p / 1080p OpenGL ES v2.0
30M Polygons, 1.2 GPixels / s, ARM® Cortex"-A9@1.2GHz
NEON extensions
TrustZone extensions
Wifi 802.11 b/g/n, Bluetooth 2.1 + EDR
1GB DRAM, Up to 64GB memory local storage (microSD)
Software: Android Ubuntu
Virtualization client for Windows, Linux, Mac, embedded
Video / Audio / Media Support:
480p/720p/1080p decode of MPEG4-SP/H.263/H.264 AVC/MPEG-2/VC1
MP3, AAC, AAC+, Real Audio
Additional video, audio and image formats can be supported through 3rd party codecs
USB 2.0 male form factor for power and connection to devices that supports USB mass storage
HDMI 2.1 with audio for connection to devices that does not support USB mass storage

Teensy USB Development Board is a complete USB-based microcontoller development system, in a very small footprint, capable of implementing many types of projects. All programming is done via the USB port. No special programmer is needed, only a standard "Mini-B" USB cable and a PC or Macintosh with a USB port.

WIFI Radio Control Unit

Pandora Handheld - The smallest portable Linux PC for gaming, browsing, coding, business work, remote administration, music playing, emulating

The Top Ten Dev Boards of 2016

Microchip Technology Inc. DM240311 - XLP 16-bit Development Board
The XLP 16-bit Development Board provides a low-cost, highly configurable development system for Microchip`s new line of extreme low power 16-bit PIC24F microcontrollers which feature sleep currents down to 20nA.

Gadget Gangster Electronic Projects.



Missed out on Raspberry Pi ? five alternatives ;
1) PandaBoard ES, $180
2) Cotton Candy a USB stick sized compute device, Review , $199 Linux-powered machine
3) Gumstix Overo, $115 Overo Sand to the $229 Overo FE COM with expansion boards ranging from $27 to $129.
4) CuBox, $135, no bigger than two inches in any direction and draws no more than three watts of power from its 5V power supply. 800 MHz dual issue ARM PJ4 processor, VFPv3, wmmx SIMD and 512KB L2 cache.
5) BeagleBoard-xM, $149, 1GHz Arm Cortex-A8.

Applied Digital Inc. , ADICON 2500 line of home automation controllers

Frank Warren's ACGNJ talks, Home Automation Links

PR2 Personal Robot 2. ROS (Robot Operating System)

Arduino Shield List Pin usage details for 285 shields from 114 makers, and counting!

Little Bits an opensource library of electronic modules that snap together with tiny magnets for prototyping and play.

APC $49 Android PC System

Item Description
Model APC 8750
Software Android 2.3 (PC System)
Chip VIA 800MHz Processor
Memory DDR3 512MB Memory
2GB NAND Flash
Graphics Built-in 2D/3D Graphic
Resolution up to 720p
Input and Output HDMI
USB 2.0 (x4)
Audio out / Mic in
microSD Slot
Network 10/100 Ethernet
Size 170 x 85mm (W x H)
Neo-ITX Standard*

Really Small Message Broker 1.1.0

Actuators Related Softwares Download

WM8950 : Mono ADC with microphone input, a low power, high quality mono ADC designed for portable applications such as Digital Still Camera, Digital Voice Recorder or games console accessories.

HSA Foundation was founded June 2012 to enable the industry specification, advancement, and promotion of the Heterogeneous Systems Architecture (HSA) and help bring HSA-enabled platform and software solutions to the market, from mobile and embedded all the way up to HPC and Cloud Computing.

Kinetis KL25Z Freedom Board - a low-cost ($12.95 Kit Contents: Board only) evaluation and development board featuring Freescale's newest Cortex-M0+ based Kinetis L Series MCU.

Many-Core Processing: Using the Altera Cyclone FPGA to Accelerate Your Embedded System

RIoTboard open source development platfor
Two well-known companies in the semiconductor space (element14, ???) drafted a plan to develop a low-cost, easy-to-use development platform to allow design engineers the flexibility and power to develop in the new Internet of things (IoT) space.
The RIoTboard is an open source platform based on an i.MX 6Solo applications processor, using an ARM® Cortex®-A9 architecture.


PoKeys56E is an easy-to-use Ethernet IO device that combines a lot of inputs and outputs, and does not require complex programming knowledge. Pokeys56E provides 55 digital I/O (5V tolerant), 7 analog inputs (12-bit), PWM outputs and more.

Sensordrone : The 6th Sense of Your Smartphone...& Beyond!

Android MK802 Mini PC

Quad-Core Stick PC Runs Ubuntu
Zealz GK802 TV Stick packs quad-core Freescale CPU onto a $99 PC-on-a-stick.
Officially support Ubuntu in addition to Android
When they put an Ethernet port on this it gets really interesting.

Meet "Ophelia," Dell's Plan To Reinvent Itself on Wednesday January 16, @08:23PM
from the step-right-up dept.

redletterdave writes "Dell is reportedly working on a project codenamed 'Ophelia,' a USB-sized self-contained computer that provides access to virtually every major operating system — from the Mac OS, to Windows, to Google's Chrome OS, to cloud-based solutions from Citrix and Dell — all via the cloud. Powered by Android, Ophelia works just like a USB port: Just plug it into any flat panel monitor or TV, and boom, you have a computer. Ophelia connects to the Internet via Wi-Fi, and can connect to keyboards and other peripherals over Bluetooth. Not only is the computer portable and power-efficient, but to make it truly accessible, Dell plans to sell the device for just $50."

VIA Announces APC Rock and Paper – the Cardboard Computer
Taipei, Taiwan, 17 January, 2013 - VIA Technologies, Inc., today announced APC Rock and Paper.
For images of APC Rock, please visit:
For images of APC Paper, please visit:
Pricing & Availability
Priced at US$79 APC Rock is currently available for order through the site.
APC Paper is expected to begin shipping in March of 2013 at a price of US$99. For more details, please visit

Newark: Embest introduces its latest Single Board Computer (SBC) based on Atmel ARM926-EJ-S-based ATMEL AT91SAM9x5 MCU family. $260 - $326

Home automation kit includes Arduino, RasPi dev boards

Announcing Adafruit Gemma – Miniature wearable electronic platform!
Love Flora but want a bite-sized version? Look no further, Gemma is a tiny wearable platform board with a lot of might in a 1? diameter package. Powered by a Attiny85 and programmable with an Arduino IDE over USB, you’ll be able to realize any wearable project!

Guest Post: Try Radar for Your Next Project

For a few more bucks, Cubieboard is a more powerful Raspberry

Another inexpensive ($105) robot: GizMag, Thymio II from EPFL
YouTube, WikiDot, Google

Rikomagic MK802 - MK802 II Android 4.0 - $50

Contiki The Open Source OS for the Internet of Things. platforms

Thingsquare firmware can connect anything to the Internet.
The things connect to the Thingsquare cloud via the Internet

BeagleBone, Black
BeagleBoard, Richardson, TX

Parallax Propeller Activity Board Adafruit

Wireless Communications

Wireless AdaFruit XBee Module - Series 01 - XB24-AWI-001, XBee® ZB ZigBee, Z-Wave ® RF Modules

ZigBee, XBee, Z-Wave, WiFi, Bluetooth - What's it all mean?

ZigBee vs Z-Wave vs WiFi
What’s The Difference Between ZigBee And Z-Wave?
Bluetooth vs Wifi
The comparison of Wi-Fi, Bluetooth and ZigBee
What’s The Difference Between ZigBee And Z-Wave?
- Coments about Bluetooth and WiFi also.

Transcript of communication team
Personal Area Network (PAN) Wireless Local Area Network (WLAN) Cellular networks (WAN)

Monitoring a ZigBee Network
XBee, XBee-PRO, XBee-PRO 900HP, ZigBee PRO mesh networking protocol
Device Cloud - Etherios, The Internet of ANYthing FAQ

Pi Stays Sky High In 2015 Hacker SBC Survey
  1. Raspberry Pi 2 Model B
  2. Beaglebone Black
  3. Raspberry Pi Model B+
  4. Odroid-C1
  5. DragonBoard 410c
  6. Odroid-XU3
  7. Parallella
  8. Arduino TRE
  9. Edison Kit for Arduino
  10. Odroid-U3

Other devices

A sneak preview of Arduino TRE powered by Texas Instruments

Intel Launches 'Galileo,' an Arduino-Compatible Mini Computer
Introducing the Galileo Development Board
The Galileo board is an Arduino*-compatible development board. Make everything from responsive LED displays to smart phone controlled robots.

Mouser writeup.

Intel Galileo jumper config ostensibly hardware and software pin-compatible with Arduino shields designed for the Uno R3.

The other end of the telescope: Intel's Galileo developer board
Embedded Linux, meet Arduino - Chipzilla style.
The Register has a blurb on a new.
Intel Galileo developer board
Intel Galileo Gen 2 Development Board

Intel® Edison Development Board - The SD* card-sized computer

The Ayla Design Kit - $399

Cellular Interface

3G / GPRS shield for Raspberry Pi (3G+GPS) - €189.00
This 3G shield for Raspberry enables the connectivity to high speed WCDMA and HSPA cellular networks in order to make possible the creation of the next level of worldwide interactivity projects inside the new "Internet of Things" era using your Raspberry Pi. Antennas not included.

Cellular Shield with SM5100B - $99.95
The Cellular Shield for Arduino includes all the parts needed to interface your Arduino with an SM5100B cellular module.

Raspberry Pi and Arduino to get cellular access with SIM card add-on

SparqEE CELLv1.0: Cellular made easy (Arduino/Pi/+)

Well I guess we are into the comodity computer system;
Tiny $45 cubic mini-PC runs Android and Linux
CuBox-i SolidRun

A 32-bit Development System For $2 website
$39 Arduino compatible boardset Arduino compatible SBC runs Linux on x86

Home Automation

Remember if YOU set up a HA system, only YOU will know how to fix, repair, update, modify it. Do not expect anyone else to know what it is, does, works, connections, power, programming, etc. This is for YOUR edification only while you live there! Do NOT expect it to add to the sale price of the house. You could provide all the documentation in the world, and unless the new owner can have a professional come in and certify, sanctify, purify and bless it, it's worthless. Nobody but you knows how it works nor how to fix it. The new owner, unless he is some weirdo hacker looking for a challenge will probably rip it out.

Ask Slashdot: State of the Art In DIY Security Systems?

ATT Digital Life
Pricing & Package Overview
Home Automation

ismartalarm, Lowe's Iris system or also the fortress security)
(And here's a preemptive link to ZoneMinder.) Download Ubuntu

New Single Board Computer Lets You Swap Out the CPU and Memory
Led by Nest, 'Thread' for Home Automation is Most Promising IoT Standard Yet

Revolutionizing the Internet of Things - The RIoTboard Development Platform - an open source platform based on an i.MX 6Solo applications processor, using an ARM® Cortex®-A9 architecture. The platform is ideal for Android and GNU/Linux development and is designed for and supported by a community of Design Engineers and Application Developers.

$99 Parallella Supercomputer
Linux writeup

MIPS tempts hackers with Raspbery Pi-like dev board
Intel unveils tiny $99 MinnowBoard Max open SBC
Let the 1st annual Open SBC Games begin!

Banana Pi, Banana Pro ™ by LeMaker Team

Ringing In 2015 With 40 Linux-Friendly Hacker SBCs

C.H.I.P. vs Pi Zero: Which Sub-$10 Computer is Better?

Cheap (free) College and HS Education

MOOCs list: 8 of the best Massive Open Online Courses worldwide

Computer Programming Degrees List of Online Computer Programming Degrees

"Twenty-three British universities are contributing to FutureLearn

Ohio State Introduces Massive Open Online Calculus MOOC

Murdoch's AP Computer Science MOOC Goes Live
Amplify MOOC

Frugal Dad - Accredited Colleges & Universities Ranked from the Cheapest to the Most Expensive Schools


This is a FOREIGN (Australia) Institution so check credit/credentials and EASY transfer of same to a local institution before getting in bed with them. Open Colleges We are an accredited vocational training provider.

edX The Future of Online Education, For anyone, anywhere, anytime

Stanford, Stanford on iTunes

Class2Go Take Stanford Online Classes. Anywhere.

Khan Academy

"A is for Ampere" - Circuit Playground Episode 1, Adafruit Launches Educational Show Aimed At Kids

Coursera Take the world's best courses, online, for free.
For general inquiries, including corporate and business related inquiries, please contact

Open-access, expert-driven guide to online learning online schools guidebook

Microchip Technology Inc.
Great selection of I/O and small device micro controllers.

Learn how to code

Google Releases Tool To Teach Code On Raspberry Pi
Coder: a simple way to make web stuff on Raspberry Pi Code Academy

From NAND to Tetris Building a Modern Computer from First Principles
Coderdojo inspires kids to program anytime, anywhere

Coding in Schools

The project Cheap Online Colleges is a comprehensive and informative resource that allows you to search for colleges and their respective tuition. I believe this type of information is very valuable to today's students who are not only dealing with a more competitive higher ed environment, but also with the rising costs associated with them.

Please take a look and let me know what you think. If you are interested and think that this is useful, and powerful resource for people who want to pursue a college education, it would be great to see it listed on your site as something for people to refer to.

Thanks for your help. I look forward to hearing back from you soon.

"Rupert Murdoch's Amplify Education site

Ok, this came to me July 2012 while reading; 10 crazy IT security tricks that actually work

Honeypots Intrusion detection honeypots simplify network security

Tarpits LaBrea: "Sticky" Honeypot and IDS

Catching hackers with virtual industrial plants; Conpot, Glastopf

Using Raspberry Pi and other server like devices devices sprinkle them all over one's network on all entrance ports, access portals and gateways They are cheap, really cheap, can be programmed to slow down one's attackers and mal contents and report on the activities.

Someone has instructions:

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