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Arduino () is an open-source hardware and open-source software, software company, project, and user community that designs and manufactures single-board microcontrollers and microcontroller kits for building digital devices. Its hardware products are licensed under a Creative Commons license, CC BY-SA license, while software is licensed under the GNU Lesser General Public License (LGPL) or the GNU General Public License (GPL), permitting the Manufacturing, manufacture of Arduino boards and software distribution by anyone. Arduino boards are available commercially from the official website or through authorized distributors.
Arduino board designs use a variety of microprocessors and controllers. The boards are equipped with sets of digital and analog input/output (I/O) pins that may be interfaced to various expansion boards ('shields') or breadboards (for prototyping) and other circuits. The boards feature serial communications interfaces, including Universal Serial Bus (USB) on some models, which are also used for loading programs. The microcontrollers can be programmed using the C (programming language), C and C++ programming languages, using a standard API which is also known as the Arduino Programming Language, inspired by the Processing (programming language), Processing language and used with a modified version of the Processing IDE. In addition to using traditional compiler toolchains, the Arduino project provides an integrated development environment (IDE) and a command line tool developed in Go (programming language), Go.
The Arduino project began in 2005 as a tool for students at the Interaction Design Institute Ivrea, Italy, aiming to provide a low-cost and easy way for novices and professionals to create devices that interact with their environment using sensors and actuators. Common examples of such devices intended for beginner hobbyists include simple robots, thermostats and motion detectors.
The name ''Arduino'' comes from a bar in Ivrea, Italy, where some of the founders of the project used to meet. The bar was named after Arduin of Ivrea, who was the margrave of the March of Ivrea and King of Italy from 1002 to 1014.
The Arduino project was started at the Interaction Design Institute Ivrea (IDII) in Ivrea, Italy. At that time, the students used a BASIC Stamp microcontroller at a cost of $50. In 2003 Hernando Barragán created the development platform ''Wiring (development platform), Wiring'' as a Master's thesis project at IDII, under the supervision of Massimo Banzi and Casey Reas. Casey Reas is known for co-creating, with Ben Fry, the Processing (programming language), Processing development platform. The project goal was to create simple, low cost tools for creating digital projects by non-engineers. The Wiring platform consisted of a printed circuit board (PCB) with an ATmega128 microcontroller, an IDE based on Processing and library functions to easily program the microcontroller.
In 2005, Massimo Banzi, with David Mellis, another IDII student, and David Cuartielles, extended Wiring by adding support for the cheaper ATmega8 microcontroller. The new project, forked from Wiring, was called ''Arduino''.
The initial Arduino core team consisted of Massimo Banzi, David Cuartielles, Tom Igoe, Gianluca Martino, and David Mellis.
Following the completion of the platform, lighter and less expensive versions were distributed in the open-source community. It was estimated in mid-2011 that over 300,000 official Arduinos had been commercially produced, and in 2013 that 700,000 official boards were in users' hands.
arduino-cli
, which can be used as a replacement of the IDE to program the boards from a shell. In February 2019, Arduino announced its IoT Cloud service as an extension of the Create online environment.
Arduino is open-source hardware. The hardware reference designs are distributed under a Creative Commons Attribution Share-Alike 2.5 license and are available on the Arduino website. Layout and production files for some versions of the hardware are also available.
Although the hardware and software designs are freely available under copyleft licenses, the developers have requested the name ''Arduino'' to be generic trademark, exclusive to the official product and not be used for derived works without permission. The official policy document on use of the Arduino name emphasizes that the project is open to incorporating work by others into the official product. Several Arduino-compatible products commercially released have avoided the project name by using various names ending in ''-duino''.
Most Arduino boards consist of an Atmel 8-bit AVR microcontroller (ATmega8, ATmega168, ATmega328, ATmega1280, or ATmega2560) with varying amounts of flash memory, pins, and features. The 32-bit Arduino Due, based on the Atmel Atmel ARM-based processors#SAM 3, SAM3X8E was introduced in 2012. The boards use single or double-row pins or female headers that facilitate connections for programming and incorporation into other circuits. These may connect with add-on modules termed ''shields''. Multiple and possibly stacked shields may be individually addressable via an I2C, I2C serial bus. Most boards include a 5 V linear regulator and a 16 MHz crystal oscillator or ceramic resonator. Some designs, such as the LilyPad, run at 8 MHz and dispense with the onboard voltage regulator due to specific form-factor restrictions.
Arduino microcontrollers are pre-programmed with a boot loader that simplifies uploading of programs to the on-chip flash memory. The default bootloader of the Arduino Uno is the Optiboot bootloader. Boards are loaded with program code via a serial connection to another computer. Some serial Arduino boards contain a level shifter circuit to convert between RS-232 logic levels and transistor–transistor logic (TTL) level signals. Current Arduino boards are programmed via Universal Serial Bus (USB), implemented using USB-to-serial adapter chips such as the FTDI FT232. Some boards, such as later-model Uno boards, substitute the FTDI chip with a separate AVR chip containing USB-to-serial firmware, which is reprogrammable via its own In-system programming, ICSP header. Other variants, such as the Arduino Mini and the unofficial Boarduino, use a detachable USB-to-serial adapter board or cable, Bluetooth or other methods. When used with traditional microcontroller tools, instead of the Arduino IDE, standard AVR in-system programming (ISP) programming is used.
The Arduino board exposes most of the microcontroller's I/O pins for use by other circuits. The ''Diecimila'', ''Duemilanove'', and current ''Uno'' provide 14 digital I/O pins, six of which can produce pulse-width modulation, pulse-width modulated signals, and six analog inputs, which can also be used as six digital I/O pins. These pins are on the top of the board, via female 0.1-inch (2.54 mm) headers. Several plug-in application shields are also commercially available. The Arduino Nano, and Arduino-compatible Bare Bones Board and Boarduino boards may provide male header pins on the underside of the board that can plug into solderless breadboards.
Many Arduino-compatible and Arduino-derived boards exist. Some are functionally equivalent to an Arduino and can be used interchangeably. Many enhance the basic Arduino by adding output drivers, often for use in school-level education, to simplify making buggies and small robots. Others are electrically equivalent, but change the form factor, sometimes retaining compatibility with shields, sometimes not. Some variants use different processors, of varying compatibility.
File:Arduino316.jpg, Arduino RS232
(male pins) File:Arduino Diecimila 6.jpg, Arduino Diecimila File:Arduino Duemilanove 2009b.jpg, Arduino Duemilanove
(rev 2009b) File:Arduino UNO unpacked.jpg, Arduino Uno, Arduino Uno R2 File:Arduino Uno - R3.jpg, Arduino Uno, Arduino Uno SMD R3 File:Arduino Leonardo.jpg, Arduino Leonardo File:2x3 pin header on Arduino Micro.jp
Arduino micro
(AtMega 32U4) File:Arduino Pro Micro.jpg, Arduino pro micro (AtMega32U4) File:Arduino Pro.jpg, Arduino Pro
(No USB) File:Arduino Mega.jpg, Arduino Mega File:Arduino Nano.jpg, Arduino Nano
(DIP-30 footprint) File:LilyPad Arduino Main Board.JPG, Arduino LilyPad 00
(rev 2007) (No USB) File:Arduino Robot Top.jpg, Arduino Robot File:Arduino Esplora.jpg, Arduino Esplora File:Arduino Ethernet Board.jpg, Arduino Ethernet
(AVR + W5100) File:ArduinoYun.jpg, Arduino Yún
(AVR + AR9331) File:ArduinoDue Front.jpg, Arduino Due
(ARM Cortex-M3 core)
File:Multiple shields stacked on an Arduino board.jpg, Some shields offer stacking headers which allows multiple shields to be stacked on top of an Arduino board. Here, a prototyping shield is stacked on two Adafruit motor shield V2s.
File:Wingshield on Arduino - ARSH-05-WI.jpg, Screw-terminal breakout shield in a wing-type format, allowing bare-end wires to be connected to the board without requiring any specialized pins
File:ARSH-09-DL 03.jpg, Adafruit Datalogging Shield with a Secure Digital (SD) card slot and real-time clock (RTC) chip along with some space for adding components and modules for customization
File:Adafruit Motor Shield - ARSH-02-MS 01.jpg, Adafruit Motor Shield with screw terminals for connection to motors. Officially discontinued, this shield may still be available through unofficial channels.
File:Front of the motor shield.jpg, The Adafruit motor shield V2 uses I²C, IC, requiring vastly fewer digital I/O pins than attaching each motor directly.
File:Closeup of usbhost shield with jumper.JPG, A USB host shield which allows an Arduino board to communicate with a USB device such as a keyboard or a mouse
Most Arduino boards contain a light-emitting diode (LED) and a current-limiting resistor connected between pin 13 and ground, which is a convenient feature for many tests and program functions. A typical program used by beginners, akin to Hello, World!, is "blink", which repeatedly blinks the on-board LED integrated into the Arduino board. This program uses the functions , , and , which are provided by the internal libraries included in the IDE environment. This program is usually loaded into a new Arduino board by the manufacturer.
#define LED_PIN 13 // Pin number attached to LED.
void setup()
void loop()
How Arduino is open sourcing imagination
a TED (conference), TED talk by creator Massimo Banzi
Evolution tree for Arduino
Arduino Cheat Sheet
Arduino Dimensions and Hole Patterns
Arduino Shield Template
* Arduino Board Pinout Diagrams
DueEsploraLeonardoMegaMicroMiniPro MicroPro MiniUnoYun
; Historical * Arduino - The Documentary (2010)
IMDbVimeo
* Massimo Banzi interviews
Triangulation 110FLOSS 61
Untold History of Arduino
- Hernando Barragán
Lawsuit documents from Arduino LLC vs. Arduino S.R.L. et al.
- United States Courts Archive {{Authority control Arduino, Microcontrollers Open hardware electronic devices Robotics hardware Computer-related introductions in 2005 Physical computing Italian inventions
History
Founding
The Arduino project was started at the Interaction Design Institute Ivrea (IDII) in Ivrea, Italy. At that time, the students used a BASIC Stamp microcontroller at a cost of $50. In 2003 Hernando Barragán created the development platform ''Wiring (development platform), Wiring'' as a Master's thesis project at IDII, under the supervision of Massimo Banzi and Casey Reas. Casey Reas is known for co-creating, with Ben Fry, the Processing (programming language), Processing development platform. The project goal was to create simple, low cost tools for creating digital projects by non-engineers. The Wiring platform consisted of a printed circuit board (PCB) with an ATmega128 microcontroller, an IDE based on Processing and library functions to easily program the microcontroller.
In 2005, Massimo Banzi, with David Mellis, another IDII student, and David Cuartielles, extended Wiring by adding support for the cheaper ATmega8 microcontroller. The new project, forked from Wiring, was called ''Arduino''.
The initial Arduino core team consisted of Massimo Banzi, David Cuartielles, Tom Igoe, Gianluca Martino, and David Mellis.
Following the completion of the platform, lighter and less expensive versions were distributed in the open-source community. It was estimated in mid-2011 that over 300,000 official Arduinos had been commercially produced, and in 2013 that 700,000 official boards were in users' hands.
Trademark dispute
In early 2008, the five co-founders of the Arduino project created a company, Arduino LLC, to hold the trademarks associated with Arduino. The manufacture and sale of the boards was to be done by external companies, and Arduino LLC would get a royalty from them. The founding bylaws of Arduino LLC specified that each of the five founders transfer ownership of the Arduino brand to the newly formed company. At the end of 2008, Gianluca Martino's company, Smart Projects, registered the Arduino trademark in Italy and kept this a secret from the other co-founders for about two years. This was revealed when the Arduino company tried to register the trademark in other areas of the world (they originally registered only in the US), and discovered that it was already registered in Italy. Negotiations with Martino and his firm to bring the trademark under control of the original Arduino company failed. In 2014, Smart Projects began refusing to pay royalties. They then appointed a new CEO, Federico Musto, who renamed the company ''Arduino SRL'' and created the website ''arduino.org'', copying the graphics and layout of the original ''arduino.cc''. This resulted in a rift in the Arduino development team. In January 2015, Arduino LLC filed a lawsuit against Arduino SRL. In May 2015, Arduino LLC created the worldwide trademark Genuino, used as brand name outside the United States. At the World Maker Faire in New York on 1 October 2016, Arduino LLC co-founder and CEO Massimo Banzi and Arduino SRL CEO Federico Musto announced the merger of the two companies. Around that same time, Massimo Banzi announced that in addition to the company a new Arduino Foundation would be launched as "a new beginning for Arduino", but this decision was withdrawn later. In April 2017, Wired (magazine), Wired reported that Musto had "fabricated his academic record... On his company's website, personal LinkedIn accounts, and even on Italian business documents, Musto was, until recently, listed as holding a PhD from the Massachusetts Institute of Technology. In some cases, his biography also claimed an MBA from New York University." Wired reported that neither university had any record of Musto's attendance, and Musto later admitted in an interview with Wired that he had never earned those degrees. The controversy surrounding Musto continued when, in July 2017, he reportedly pulled many open source model, open source licenses, schematics, and code from the Arduino website, prompting scrutiny and outcry. By 2017 Arduino AG owned many Arduino trademarks. In July 2017 BCMI, founded by Massimo Banzi, David Cuartielles, David Mellis and Tom Igoe, acquired Arduino AG and all the Arduino trademarks. Fabio Violante is the new CEO replacing Federico Musto, who no longer works for Arduino AG.Post-dispute
In October 2017, Arduino announced its partnership with ARM Holdings (ARM). The announcement said, in part, "ARM recognized independence as a core value of Arduino ... without any lock-in with the ARM architecture". Arduino intends to continue to work with all technology vendors and architectures. Under Violante's guidance, the company started growing again and releasing new designs. The Genuino trademark was dismissed and all products were branded again with the Arduino name. As of February 2020, the Arduino community included about 30 million active users based on the IDE downloads. In August 2018, Arduino announced its new open source command line toolarduino-cli
, which can be used as a replacement of the IDE to program the boards from a shell. In February 2019, Arduino announced its IoT Cloud service as an extension of the Create online environment.
Hardware
Arduino is open-source hardware. The hardware reference designs are distributed under a Creative Commons Attribution Share-Alike 2.5 license and are available on the Arduino website. Layout and production files for some versions of the hardware are also available.
Although the hardware and software designs are freely available under copyleft licenses, the developers have requested the name ''Arduino'' to be generic trademark, exclusive to the official product and not be used for derived works without permission. The official policy document on use of the Arduino name emphasizes that the project is open to incorporating work by others into the official product. Several Arduino-compatible products commercially released have avoided the project name by using various names ending in ''-duino''.
Most Arduino boards consist of an Atmel 8-bit AVR microcontroller (ATmega8, ATmega168, ATmega328, ATmega1280, or ATmega2560) with varying amounts of flash memory, pins, and features. The 32-bit Arduino Due, based on the Atmel Atmel ARM-based processors#SAM 3, SAM3X8E was introduced in 2012. The boards use single or double-row pins or female headers that facilitate connections for programming and incorporation into other circuits. These may connect with add-on modules termed ''shields''. Multiple and possibly stacked shields may be individually addressable via an I2C, I2C serial bus. Most boards include a 5 V linear regulator and a 16 MHz crystal oscillator or ceramic resonator. Some designs, such as the LilyPad, run at 8 MHz and dispense with the onboard voltage regulator due to specific form-factor restrictions.
Arduino microcontrollers are pre-programmed with a boot loader that simplifies uploading of programs to the on-chip flash memory. The default bootloader of the Arduino Uno is the Optiboot bootloader. Boards are loaded with program code via a serial connection to another computer. Some serial Arduino boards contain a level shifter circuit to convert between RS-232 logic levels and transistor–transistor logic (TTL) level signals. Current Arduino boards are programmed via Universal Serial Bus (USB), implemented using USB-to-serial adapter chips such as the FTDI FT232. Some boards, such as later-model Uno boards, substitute the FTDI chip with a separate AVR chip containing USB-to-serial firmware, which is reprogrammable via its own In-system programming, ICSP header. Other variants, such as the Arduino Mini and the unofficial Boarduino, use a detachable USB-to-serial adapter board or cable, Bluetooth or other methods. When used with traditional microcontroller tools, instead of the Arduino IDE, standard AVR in-system programming (ISP) programming is used.
The Arduino board exposes most of the microcontroller's I/O pins for use by other circuits. The ''Diecimila'', ''Duemilanove'', and current ''Uno'' provide 14 digital I/O pins, six of which can produce pulse-width modulation, pulse-width modulated signals, and six analog inputs, which can also be used as six digital I/O pins. These pins are on the top of the board, via female 0.1-inch (2.54 mm) headers. Several plug-in application shields are also commercially available. The Arduino Nano, and Arduino-compatible Bare Bones Board and Boarduino boards may provide male header pins on the underside of the board that can plug into solderless breadboards.
Many Arduino-compatible and Arduino-derived boards exist. Some are functionally equivalent to an Arduino and can be used interchangeably. Many enhance the basic Arduino by adding output drivers, often for use in school-level education, to simplify making buggies and small robots. Others are electrically equivalent, but change the form factor, sometimes retaining compatibility with shields, sometimes not. Some variants use different processors, of varying compatibility.
Official boards
The original Arduino hardware was manufactured by the Italian company Smart Projects. Some Arduino-branded boards have been designed by the American companies SparkFun Electronics and Adafruit Industries. , 17 versions of the Arduino hardware have been commercially produced.(male pins) File:Arduino Diecimila 6.jpg, Arduino Diecimila File:Arduino Duemilanove 2009b.jpg, Arduino Duemilanove
(rev 2009b) File:Arduino UNO unpacked.jpg, Arduino Uno, Arduino Uno R2 File:Arduino Uno - R3.jpg, Arduino Uno, Arduino Uno SMD R3 File:Arduino Leonardo.jpg, Arduino Leonardo File:2x3 pin header on Arduino Micro.jp
Arduino micro
(AtMega 32U4) File:Arduino Pro Micro.jpg, Arduino pro micro (AtMega32U4) File:Arduino Pro.jpg, Arduino Pro
(No USB) File:Arduino Mega.jpg, Arduino Mega File:Arduino Nano.jpg, Arduino Nano
(DIP-30 footprint) File:LilyPad Arduino Main Board.JPG, Arduino LilyPad 00
(rev 2007) (No USB) File:Arduino Robot Top.jpg, Arduino Robot File:Arduino Esplora.jpg, Arduino Esplora File:Arduino Ethernet Board.jpg, Arduino Ethernet
(AVR + W5100) File:ArduinoYun.jpg, Arduino Yún
(AVR + AR9331) File:ArduinoDue Front.jpg, Arduino Due
(ARM Cortex-M3 core)
Shields
Arduino and Arduino-compatible boards use printed circuit expansion boards called ''shields'', which plug into the normally supplied Arduino pin headers. Shields can provide motor controls for 3D printing and other applications, GNSS (satellite navigation), Ethernet, liquid crystal display (LCD), or breadboarding (Prototype, prototyping). Several shields can also be made do it yourself (DIY).Software
A program for Arduino hardware may be written in any programming language with compilers that produce binary machine code for the target processor. Atmel provides a development environment for their 8-bit Atmel AVR, AVR and 32-bit ARM Cortex-M based microcontrollers: AVR Studio (older) and Atmel Studio (newer).Legacy IDE
The Arduino integrated development environment (IDE) is a cross-platform application (for Microsoft Windows, macOS, and Linux) that is written in the Java (programming language), Java programming language. It originated from the IDE for the languages ''Processing (programming language), Processing'' and ''Wiring (development platform), Wiring''. It includes a code editor with features such as text cutting and pasting, searching and replacing text, automatic indenting, brace matching, and syntax highlighting, and provides simple ''one-click'' mechanisms to compile and upload programs to an Arduino board. It also contains a message area, a text console, a toolbar with buttons for common functions and a hierarchy of operation menus. The source code for the IDE is released under the GNU General Public License, version 2. The Arduino IDE supports the languages C (programming language), C and C++ using special rules of code structuring. The Arduino IDE supplies a software library from the Wiring (development platform), Wiring project, which provides many common input and output procedures. User-written code only requires two basic functions, for starting the sketch and the main program loop, that are compiled and linked with a program stub ''main()'' into an executable cyclic executive program with the GNU toolchain, also included with the IDE distribution. The Arduino IDE employs the program ''avrdude'' to convert the executable code into a text file in hexadecimal encoding that is loaded into the Arduino board by a loader program in the board's firmware. From version 1.8.12, Arduino IDE windows compiler supports only Windows 7 or newer OS. On Windows Vista or older one gets "Unrecognized Win32 application" error when trying to verify/upload program. To run IDE on older machines, users can either use version 1.8.11, or copy "arduino-builder" executable from version 11 to their current install folder as it's independent from IDE.IDE 2.0
On September 14, 2022, the Arduino IDE 2.0 was officially released as stable. Previously, on October 18, 2019 the initial alpha preview was released as the Arduino Pro IDE. On March 1, 2021, the beta preview was released, renamed IDE 2.0. The system still uses Arduino CLI (Command Line Interface), but improvements include a more professional development environment, autocompletion support, and Git integration. The application frontend is based on the Eclipse Theia Open Source IDE. The main features available in the new release are: * Modern, fully featured development environment * Dual Mode, Classic Mode (identical to the Classic Arduino IDE) and Pro Mode (File System view) * New Board Manager * New Library Manager * Board List * Basic Auto-Completion (Arm targets only) * Git Integration * Serial Monitor * Dark ModeSketch
A ''sketch'' is a program written with the Arduino IDE. Sketches are saved on the development computer as text files with the file extension .ino. Arduino Software (IDE) pre-1.0 saved sketches with the extension .pde. A minimal Arduino C/C++ program consists of only two functions: * : This function is called once when a sketch starts after power-up or reset. It is used to initialize variables, input and output pin modes, and other libraries needed in the sketch. It is analogous to the function . * : After function exits (ends), the function is executed repeatedly in the main program. It controls the board until the board is powered off or is reset. It is analogous to the function . ;Blink example
Most Arduino boards contain a light-emitting diode (LED) and a current-limiting resistor connected between pin 13 and ground, which is a convenient feature for many tests and program functions. A typical program used by beginners, akin to Hello, World!, is "blink", which repeatedly blinks the on-board LED integrated into the Arduino board. This program uses the functions , , and , which are provided by the internal libraries included in the IDE environment. This program is usually loaded into a new Arduino board by the manufacturer.
Libraries
The open-source nature of the Arduino project has facilitated the publication of many free software libraries that other developers use to augment their projects.Operating systems/threading
There is a Xinu OS port for the atmega328p (Arduino Uno and others with the same chip), which includes most of the basic features. The source code of this version is freely available. There is also a threading tool, named Protothreads. Protothreads are described as "extremely lightweight stackless threads designed for severely memory constrained systems, such as small embedded systems or wireless sensor network nodes.Applications
* Arduboy, a handheld game console based on Arduino * Arduinome, a MIDI controller device that mimics the Monome * Ardupilot, drone software and hardware * ArduSat, a cubesat based on Arduino * C-STEM Studio, a platform for hands-on integrated learning of computing, science, technology, engineering, and mathematics (C-STEM) with robotics * Data loggers for scientific research * OBDuino, a trip computer that uses the on-board diagnostics interface found in most modern cars * OpenEVSE an open-source electric vehicle charger * XOD (programming language), XOD, a visual programming language for ArduinoSimulation
* Tinkercad, an analog and digital simulator supporting Arduino Simulation * Wokwi, a digital and free to use simulator for Arduino boardsRecognitions
The Arduino project received an honorary mention in the Digital Communities category at the 2006 Prix Ars Electronica. The Arduino Engineering Kit won the Bett Award for "Higher Education or Further Education Digital Services" in 2020.See also
* List of Arduino boards and compatible systems * List of open-source hardware projects *Explanatory notes
References
Further reading
* Massimo Banzi, Michael Shiloh; ''Make: Getting Started with Arduino''; 3rd ed.; Make Community; 262 pages; 2014; . * Jeremy Blum; ''Exploring Arduino: Tools and Techniques for Engineering Wizardry''; 2nd ed.; Wiley; 512 pages; 2019; . * John Boxall; ''Arduino Workshop: A Hands-On Introduction with 65 Projects''; 1st ed.; No Starch Press; 392 pages; 2013; . * Tero Karvinen, Kimmo Karvinen, Ville Valtokari; ''Make: Sensors''; 1st ed.; Make Community; 400 pages; 2014; . * Simon Monk; ''Programming Arduino Next Steps: Going Further with Sketches''; 2nd ed.; McGraw-Hill Education; 320 pages; 2018; . * Simon Monk; ''Programming Arduino: Getting Started with Sketches''; 2nd ed.; McGraw-Hill Education; 192 pages; 2016; . * John Nussey; ''Arduino For Dummies''; 2nd ed.; John Wiley & Sons; 400 pages; 2018; . * Jack Purdum; ''Beginning C for Arduino: Learn C Programming for the Arduino''; 2nd ed.; Apress; 388 pages; 2015; . * Maik Schmidt; ''Arduino: A Quick Start Guide''; 2nd ed.; Pragmatic Bookshelf; Pragmatic Bookshelf; 323 pages; 2015; .External links
*How Arduino is open sourcing imagination
a TED (conference), TED talk by creator Massimo Banzi
Evolution tree for Arduino
Arduino Cheat Sheet
Arduino Dimensions and Hole Patterns
Arduino Shield Template
* Arduino Board Pinout Diagrams
Due
; Historical * Arduino - The Documentary (2010)
IMDb
* Massimo Banzi interviews
Triangulation 110
Untold History of Arduino
- Hernando Barragán
Lawsuit documents from Arduino LLC vs. Arduino S.R.L. et al.
- United States Courts Archive {{Authority control Arduino, Microcontrollers Open hardware electronic devices Robotics hardware Computer-related introductions in 2005 Physical computing Italian inventions