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Platform · Arduino

Arduino

Arduino is an open-source electronics platform: small microcontroller boards plus the free software used to program them. You write a short program, called a sketch, on your computer and upload it to the board from the Arduino IDE (on the UNO R3, over a USB cable); the board then runs it, for example reading buttons and sensors or switching LEDs. Arduino started at a design school in Italy as a tool for students with no electronics or programming background. The board plans and the software are published under open licences, so other makers can build their own versions. Unlike a Raspberry Pi, which runs Raspberry Pi OS, an Arduino board runs one sketch built from two functions, setup() and loop(). Specific board details are in the linked model records.

Profile overall:Evidence: InferredLast reviewed 2026-10-19 · audited

Models on BenchRove

Specs live on each model's page, not here.

History & Evolution

  1. 2003 Evidence: Unverified

    Hernando Barragán states that he started Wiring, a prototyping platform (IDE plus board), in 2003 as his master's thesis project at IDII.

    • Evidence: UnverifiedHernando Barragán states that he started Wiring in 2003 as his master's thesis project at IDII (self-account; not independently confirmed).
    Evidence (1)

    • Hernando Barragán states that he started Wiring in 2003 as his master's thesis project at IDII (self-account; not independently confirmed). Evidence: Unverified

      Hernando Barragán (arduinohistory.github.io) · The Untold History of Arduino, opening section; partisan first-person account · retrieved 2026-10-19

  2. 2005 Evidence: Documented

    The first prototype board is made at IDII; Massimo Banzi coins the name Arduino later that year.

    Disputed: How the Arduino software relates to Wiring is disputed. Barragán writes that the team "forked (or copied)" Wiring and that he "was never asked to become a member of the Arduino Team"; IEEE Spectrum (2011) and Arduino's own pages present Arduino as building on Wiring and Processing. BenchRove shows both and takes no side.

    Evidence (2)

    • Arduino was released in 2005 as a tool for students at the Interaction Design Institute Ivrea; the first prototype board was made in 2005 and named Arduino later that year. Evidence: Documented

      IEEE Spectrum (David Kushner) · The Making of Arduino, 26 Oct 2011, paragraphs on IDII and naming · retrieved 2026-10-19

    • Arduino states it was born at the Ivrea Interaction Design Institute as a fast-prototyping tool for students without an electronics or programming background. Evidence: Documented

      Arduino · What is Arduino? (fetched as markdown from github.com/arduino/docs-content main, content/learn/01.starting-guide/00.whats-arduino) · retrieved 2026-10-19

  3. 1 October 2016 Evidence: Documented

    Arduino LLC (arduino.cc) and Arduino srl (arduino.org) announce that they have settled their differences and signed a settlement agreement.

    Evidence (1)

    • On 2016-10-01 Arduino announced that Arduino LLC (arduino.cc) and Arduino srl (arduino.org) had settled their differences and signed a settlement agreement. Evidence: Documented

      Arduino blog · Two Arduinos become one, 2016-10-01, first paragraph · retrieved 2026-10-19

  4. 7 October 2025 Evidence: Documented

    Arduino announces an agreement to join Qualcomm Technologies, subject to regulatory approval, and introduces UNO Q.

    Evidence (1)

    • On 2025-10-07 Arduino announced an agreement to join Qualcomm Technologies, with closing subject to regulatory approval, alongside the UNO Q board. Evidence: Documented

      Arduino blog · A new chapter for Arduino, 2025-10-07, opening and closing-conditions sentence · retrieved 2026-10-19

  5. 31 October 2025 Evidence: Documented

    Arduino announces that it is officially part of the Qualcomm family.

    Evidence (1)

    • On 2025-10-31 Arduino announced that it is officially part of the Qualcomm family. Evidence: Documented

      Arduino blog · Arduino x Qualcomm Technologies, 2025-10-31, first line · retrieved 2026-10-19

  6. 8 October 2026 Evidence: Documented

    Arduino restates that it remains open source (hardware schematics; software under MPL, AGPL and GPL).

    Evidence (1)

    • In October 2026 Arduino stated it remains open source, with open hardware schematics and software under MPL, AGPL and GPL. Evidence: Documented

      Arduino blog · One year of UNO Q, 2026-10-08 · retrieved 2026-10-19

Arduino's 2025 blog says the first UNO board sparked the maker movement "20 years ago"; that is a rounded marketing phrase (the first Arduino prototype dates to 2005) and is not used as a date. No exact 2005 month is given by a fetched primary source, so none is shown.

How it works Evidence: Documented

A sketch has two parts: setup() runs once when the board powers up, and loop() then runs over and over. You write it in the Arduino IDE, click Upload, and the IDE compiles it and copies it into the board's memory over USB. From then on the board runs that one program whenever it has power, even with the computer unplugged. Pins on the board read inputs (buttons, sensors) and drive outputs (LEDs, motors through drivers).

More detail (advanced)

The "Arduino language" is C/C++ with the Wiring-derived Arduino API. Each board family needs a core (also called a package) installed through the Boards Manager; third-party cores (for example ESP32) are added through the Additional Boards Manager URLs JSON index. The toolchain compiles the sketch plus libraries into a binary for that microcontroller (AVR, Arm, Xtensa and others). Peripherals such as UART, SPI and I2C are exposed through core libraries; you can drop down to vendor C (for example AVR C) when needed. The Arduino CLI provides the same build and upload flow for scripts and CI.

Evidence (5)

  • Arduino is an open-source electronics platform; its language is based on Wiring and its IDE on Processing. Evidence: Documented

    Arduino · What is Arduino? (fetched as markdown from github.com/arduino/docs-content main, content/learn/01.starting-guide/00.whats-arduino) · retrieved 2026-10-19

  • The minimum Arduino program uses two functions, setup() and loop(). Evidence: Documented

    Arduino · Getting Started with Arduino, Program structure; Serial Communication Protocols · retrieved 2026-10-19

  • Arduino documents compiling and uploading sketches from the IDE, and the Arduino CLI as a tool designed for more advanced users. Evidence: Documented

    Arduino · Getting Started with Arduino, Program structure; Serial Communication Protocols · retrieved 2026-10-19

  • Every Arduino board needs a core (package); third-party cores are installed by adding a JSON index to Additional Boards Manager URLs. Evidence: Documented

    Arduino · Arduino Cores (docs-content markdown, 07.cores) · retrieved 2026-10-19

  • Arduino sketches use the Arduino programming language, which Arduino's Language Reference divides into functions, values (variables and constants) and structure; its function list includes analogRead() and a Wi-Fi library. Evidence: Documented

    From Arduino IDE · Arduino · Language Reference index · retrieved 2026-10-18

What can you build or do with it?

  • Learn electronics and programming from zero Evidence: Documented

    Its role
    Main controller for kit-style first circuits (LEDs, buttons, buzzers)
    You also need
    Breadboard, jumper wires, LEDs, resistors, USB cable
    Difficulty
    Beginner

    Compare boards: documented capabilities

    Evidence (1)

    • Arduino is aimed at students and others without an electronics or programming background. Evidence: Documented

      Arduino · What is Arduino? (fetched as markdown from github.com/arduino/docs-content main, content/learn/01.starting-guide/00.whats-arduino) · retrieved 2026-10-19

  • Read a sensor and show the value on a computer Evidence: Documented

    Its role
    Reads the sensor and prints values over USB serial to the Serial Monitor
    You also need
    Sensor module (analog or I2C), USB cable
    Difficulty
    Beginner

    Arduino IDE

    Evidence (2)

    • Arduino documents compiling and uploading sketches from the IDE, and the Arduino CLI as a tool designed for more advanced users. Evidence: Documented

      Arduino · Getting Started with Arduino, Program structure; Serial Communication Protocols · retrieved 2026-10-19

    • Arduino documents IDE 2 tools including the Serial Monitor, the Serial Plotter, a library manager, a board manager and uploading and debugging features. Evidence: Documented

      From Arduino IDE · Arduino · Software > Arduino IDE documentation index · retrieved 2026-10-18

  • Log temperature to the network Evidence: Inferred

    Its role
    Wi-Fi-capable Arduino reads a BME280 and sends readings
    You also need
    Wi-Fi Arduino (e.g. UNO R4 WiFi or Nano ESP32), BME280 breakout, level-safe wiring
    Difficulty
    Intermediate

    Log temperature over Wi-Fi

    Evidence (2)

    • The Arduino UNO R4 WiFi has Wi-Fi 802.11 b/g/n on the 2.4 GHz band through an ESP32-S3 module; its RA4M1 microcontroller operates at 5 V while the ESP32-S3 module is 3.3 V. Evidence: Documented

      From Log temperature over Wi-Fi · Arduino · UNO R4 WiFi datasheet: Wi-Fi; operating voltage · retrieved 2026-10-18

    • The UNO R4 WiFi RA4M1 side is documented at 5 V while the BME280 VDDIO maximum is 3.6 V, so the I2C level on a 5 V board needs checking against the BME280 limits (inference from two documented figures; the UNO R4 WiFi I2C pin levels were not read). Evidence: Inferred

      From Log temperature over Wi-Fi · Arduino · UNO R4 WiFi datasheet: Wi-Fi; operating voltage · retrieved 2026-10-18

  • Interactive art or installation prototype Evidence: Inferred

    Its role
    Reads sensors and drives lights or motors in real time
    You also need
    Actuator drivers (motor driver, MOSFET board), separate power supply for loads
    Difficulty
    Intermediate

    Maker documentation

    Evidence (2)

    • Arduino is aimed at students and others without an electronics or programming background. Evidence: Documented

      Arduino · What is Arduino? (fetched as markdown from github.com/arduino/docs-content main, content/learn/01.starting-guide/00.whats-arduino) · retrieved 2026-10-19

    • An Arduino board runs one uploaded sketch with no operating system; it is not a general-purpose computer (inferred from the setup()/loop() program model). Evidence: Inferred

      Arduino · Getting Started with Arduino, Program structure; Serial Communication Protocols · retrieved 2026-10-19

  • Real-time helper for a Linux computer Evidence: Inferred

    Its role
    Handles fast or analog I/O and talks to a Raspberry Pi or PC over USB serial
    You also need
    USB cable; host software (Python with a serial library)
    Difficulty
    Intermediate

    Raspberry Pi 5

    Evidence (2)

    • An Arduino board runs one uploaded sketch with no operating system; it is not a general-purpose computer (inferred from the setup()/loop() program model). Evidence: Inferred

      Arduino · Getting Started with Arduino, Program structure; Serial Communication Protocols · retrieved 2026-10-19

    • Raspberry Pi states that Raspberry Pi on its own does not support analogue input, and that many applications pair a Raspberry Pi with a microcontroller. Evidence: Documented

      From Raspberry Pi · Raspberry Pi Ltd · Raspberry Pi Silicon: Pico now on sale, 2021-01-21 (fetched via WebFetch; curl 403) · retrieved 2026-10-19

  • Program boards from other vendors with one toolchain Evidence: Documented

    Its role
    Arduino IDE/CLI plus a third-party core (e.g. ESP32)
    You also need
    Third-party board; its Boards Manager JSON URL
    Difficulty
    Intermediate

    ESP32-DevKitC

    Evidence (1)

    • Every Arduino board needs a core (package); third-party cores are installed by adding a JSON index to Additional Boards Manager URLs. Evidence: Documented

      Arduino · Arduino Cores (docs-content markdown, 07.cores) · retrieved 2026-10-19

  • Automated builds of firmware in CI Evidence: Documented

    Its role
    Arduino CLI compiles and uploads sketches from scripts
    You also need
    Build machine; arduino-cli installed
    Difficulty
    Advanced

    Maker documentation

    Evidence (1)

    • Arduino documents compiling and uploading sketches from the IDE, and the Arduino CLI as a tool designed for more advanced users. Evidence: Documented

      Arduino · Getting Started with Arduino, Program structure; Serial Communication Protocols · retrieved 2026-10-19

Strengths & limitations

Strengths

  • Designed for people without an electronics or programming background; a sketch needs only setup() and loop(). Evidence: Documented
    Evidence (2)

    • Arduino is aimed at students and others without an electronics or programming background. Evidence: Documented

      Arduino · What is Arduino? (fetched as markdown from github.com/arduino/docs-content main, content/learn/01.starting-guide/00.whats-arduino) · retrieved 2026-10-19

    • The minimum Arduino program uses two functions, setup() and loop(). Evidence: Documented

      Arduino · Getting Started with Arduino, Program structure; Serial Communication Protocols · retrieved 2026-10-19

  • Open hardware designs and open-source software, so compatible boards and third-party cores exist. Evidence: Documented
    Evidence (3)

    • Arduino board plans are published under a Creative Commons license so designers can make their own versions. Evidence: Documented

      Arduino · What is Arduino? (fetched as markdown from github.com/arduino/docs-content main, content/learn/01.starting-guide/00.whats-arduino) · retrieved 2026-10-19

    • Every Arduino board needs a core (package); third-party cores are installed by adding a JSON index to Additional Boards Manager URLs. Evidence: Documented

      Arduino · Arduino Cores (docs-content markdown, 07.cores) · retrieved 2026-10-19

    • In October 2026 Arduino stated it remains open source, with open hardware schematics and software under MPL, AGPL and GPL. Evidence: Documented

      Arduino blog · One year of UNO Q, 2026-10-08 · retrieved 2026-10-19

  • One IDE and API across many boards and architectures, extended by libraries. Evidence: Documented
    Evidence (2)

    • Every Arduino board needs a core (package); third-party cores are installed by adding a JSON index to Additional Boards Manager URLs. Evidence: Documented

      Arduino · Arduino Cores (docs-content markdown, 07.cores) · retrieved 2026-10-19

    • The Arduino language can be extended through C++ libraries, and users can move to the underlying AVR C language. Evidence: Documented

      Arduino · What is Arduino? (fetched as markdown from github.com/arduino/docs-content main, content/learn/01.starting-guide/00.whats-arduino) · retrieved 2026-10-19

  • Runs a single program with no operating system, which suits simple real-time control (inference from the architecture). Evidence: Inferred
    Evidence (1)

    • An Arduino board runs one uploaded sketch with no operating system; it is not a general-purpose computer (inferred from the setup()/loop() program model). Evidence: Inferred

      Arduino · Getting Started with Arduino, Program structure; Serial Communication Protocols · retrieved 2026-10-19

Limitations

  • Not a general-purpose computer; no desktop, no Linux (except boards that pair a Linux processor, such as UNO Q). Evidence: Inferred
    Evidence (2)

    • An Arduino board runs one uploaded sketch with no operating system; it is not a general-purpose computer (inferred from the setup()/loop() program model). Evidence: Inferred

      Arduino · Getting Started with Arduino, Program structure; Serial Communication Protocols · retrieved 2026-10-19

    • On 2025-10-07 Arduino announced an agreement to join Qualcomm Technologies, with closing subject to regulatory approval, alongside the UNO Q board. Evidence: Documented

      Arduino blog · A new chapter for Arduino, 2025-10-07, opening and closing-conditions sentence · retrieved 2026-10-19

  • Logic levels differ by board (5 V UNO R3 vs 3.3 V Nano ESP32), so shields and sensors are not universally interchangeable. Evidence: Documented
    Evidence (2)

    • UNO R3 is a 5 V logic board. Evidence: Documented

      From Arduino UNO R3 · Arduino · Features p.2; 1.2 Related Products p.5; 2.2 Power Consumption p.6; 3.2 Processor p.7; 4.1 p.9 · retrieved 2026-10-16

    • All digital and analog pins are 3.3 V; higher-voltage devices must not be connected to the pins. Evidence: Documented

      From Arduino Nano ESP32 · Arduino · Features p.2; 11.2 Pin Voltage; 11.3 VIN; 14.1 Getting Started - IDE · retrieved 2026-10-16

  • Because the designs are open, clones and counterfeits are common; quality and support vary outside official channels. Evidence: Inferred
    Evidence (2)

    • Arduino board plans are published under a Creative Commons license so designers can make their own versions. Evidence: Documented

      Arduino · What is Arduino? (fetched as markdown from github.com/arduino/docs-content main, content/learn/01.starting-guide/00.whats-arduino) · retrieved 2026-10-19

    • Arduino maintains an authorized-distributor list, implying non-listed sellers are not official channels (inference; Arduino also names its official Amazon storefront, which is not on that list). Evidence: Inferred

      Arduino · Arduino Authorized Distributors page, header text · retrieved 2026-10-19

  • Many tutorials online target IDE 1.x; the current IDE is 2.x and some steps differ. Evidence: Documented
    Evidence (1)

    • Arduino IDE 2.x is a rewrite of IDE 1.x that shares no code with it; it is based on the Theia IDE framework and Electron, and compiling and uploading are done by an arduino-cli instance running in daemon mode. Evidence: Documented

      From Arduino IDE · Arduino · README.md of github.com/arduino/arduino-ide · retrieved 2026-10-18

Alternatives & comparisons

Integrations

Grouped by how well each one is supported. Each label shows the weakest evidence behind the entry.

Documented integrations (6)

  • Arduino IDE 2.x Evidence: Documented

    Protocols
    USB serial upload
    Versions
    IDE 2.3.10 per tech-arduino-ide
    OS
    Windows, macOS, Linux
    Evidence (2)

    • Arduino IDE 2.3.10 is listed on arduino.cc as the new major release of the IDE, with autocompletion, code navigation and a live debugger; the legacy IDE 1.8.19 is still offered for download. Evidence: Documented

      From Arduino IDE · Arduino · Arduino IDE section of the software page · retrieved 2026-10-18

    • Arduino documents compiling and uploading sketches from the IDE, and the Arduino CLI as a tool designed for more advanced users. Evidence: Documented

      Arduino · Getting Started with Arduino, Program structure; Serial Communication Protocols · retrieved 2026-10-19

  • Arduino CLI Evidence: Documented

    Protocols
    USB serial upload
    Evidence (1)

    • Arduino documents compiling and uploading sketches from the IDE, and the Arduino CLI as a tool designed for more advanced users. Evidence: Documented

      Arduino · Getting Started with Arduino, Program structure; Serial Communication Protocols · retrieved 2026-10-19

  • Third-party cores via Boards Manager JSON (e.g. ESP32) Evidence: Documented

    Evidence (1)

    • Every Arduino board needs a core (package); third-party cores are installed by adding a JSON index to Additional Boards Manager URLs. Evidence: Documented

      Arduino · Arduino Cores (docs-content markdown, 07.cores) · retrieved 2026-10-19

  • UART, SPI and I2C serial protocols (Arduino docs, with SPI and I2C guides) Evidence: Documented

    Protocols
    UART, SPI, I2C
    Evidence (1)

    • Arduino's Getting Started guide names UART, SPI and I2C as the most common serial communication protocols used with Arduino boards and links to Arduino SPI and I2C (Wire) guides. Evidence: Documented

      Arduino · Getting Started with Arduino, Program structure; Serial Communication Protocols · retrieved 2026-10-19

  • Arduino Cloud Editor Evidence: Documented

    Evidence (1)

    • Arduino also offers the Arduino Cloud Editor, described as the Arduino IDE online, usable from a browser. Evidence: Documented

      From Arduino IDE · Arduino · Arduino IDE section of the software page · retrieved 2026-10-18

  • NI LabVIEW via the LabVIEW Hobbyist Toolkit (formerly LINX) Evidence: Documented

    Protocols
    USB serial (COM port), firmware via Firmware Wizard
    Versions
    Hobbyist Toolkit for LabVIEW 2021 and later; included in LabVIEW Community Edition 2020 and later
    OS
    Windows (development host)

    NI names Arduino but no NI list of supported board models was read - not all Arduino boards. LINX by Digilent is deprecated. Community Edition is non-commercial only and not for use at degree-granting institutions.

    Evidence (1)

    • NI states the LabVIEW Community Edition (free for non-commercial use; not for use at degree-granting institutions) includes the LINX toolkit, now the LabVIEW Hobbyist Toolkit, for use with Raspberry Pi, BeagleBoard and Arduino. Evidence: Documented

      NI · LabVIEW Community Edition page, "The LabVIEW Community edition includes" list · retrieved 2026-10-19

Plausible (not documented by the maker) (1)

  • Raspberry Pi host over USB serial Evidence: Inferred

    Protocols
    USB CDC serial

    Standard USB serial pattern; not tested by BenchRove.

    Evidence (1)

    • An Arduino board runs one uploaded sketch with no operating system; it is not a general-purpose computer (inferred from the setup()/loop() program model). Evidence: Inferred

      Arduino · Getting Started with Arduino, Program structure; Serial Communication Protocols · retrieved 2026-10-19

Alternatives to an integration (1)

Known incompatibilities (1)

  • Driving 3.3 V-only sensors directly from 5 V UNO R3 pins Evidence: Documented

    Level mismatch; use 3.3 V boards or level shifting. Model-specific, see linked records.

    Evidence (1)

    • UNO R3 is a 5 V logic board. Evidence: Documented

      From Arduino UNO R3 · Arduino · Features p.2; 1.2 Related Products p.5; 2.2 Power Consumption p.6; 3.2 Processor p.7; 4.1 p.9 · retrieved 2026-10-16

Tutorials & learning resources

Official material first, then beginner to advanced.

  1. Getting Started with Arduino (docs.arduino.cc)

    writtenBeginnerOfficial

  2. What is Arduino? (docs.arduino.cc)

    writtenBeginnerOfficial

  3. 01 Starter Kit - Your First Circuit

    videoBeginnerOfficial

    Arduino · published 2020-04-23

    BenchRove read the description and transcript; not watched. Content not verified.

    Tied to the official Starter Kit and UNO R3-era hardware; assumes you own the kit.

  4. Arduino Tutorial 1: Setting Up and Programming the Arduino for Absolute Beginners

    videoBeginner Promotes a third-party kit

    Paul McWhorter · published 2019-05-31

    BenchRove read the description and transcript; not watched. Content not verified.

    Outdated - installs IDE 1.8.9 (current is 2.x). Promotes a third-party clone kit through Amazon Associates affiliate links (disclosed in description); kit price not reproduced.

  5. Getting Started with the Arduino UNO R4 WiFi's LED Matrix

    videoBeginnerOfficial

    Arduino · published 2025-07-16

    BenchRove read the description and transcript; not watched. Content not verified.

  6. Arduino MASTERCLASS: Full Programming Workshop in 90 Minutes

    videoIntermediate Sponsored by Altium

    Programming Electronics Academy · published 2022-07-22

    BenchRove read the description and transcript; not watched. Content not verified.

    Calls IDE 2 "still in development" (true in 2022, outdated now). Pitches the channel's paid training.

  7. Arduino CLI documentation

    referenceAdvancedOfficial

Where to buy

Links go to the maker or the maker's own list of official sellers. BenchRove shows no prices or stock and earns nothing from these links.

Choosing a model

  • If your parts are 5 V kit-style parts, UNO-class boards use 5 V logic (see tech-arduino-uno-r3, tech-arduino-uno-r4-wifi).
  • If you need Wi-Fi, choose a Wi-Fi model (UNO R4 WiFi, Nano ESP32) and check its logic level in the model record first.
  • For board-by-board comparison use use-which-board-first; do not compare boards using this platform profile.
  • Arduino Official Store · Manufacturer
  • Arduino Authorized Distributors list · Official distributor list

    Arduino states the list was last updated in October 2025.

  • Arduino's official Amazon storefront · Manufacturer

    Named by Arduino as one of three trusted ways to buy; listed by name only (no link, no prices).

Related on BenchRove

Sources & last review

Last reviewed 2026-10-19. Audited by BenchRove. Labels: Documented (from a primary source), Inferred (reasoned from sources), Unverified (not confirmed). How we verify

  1. Hernando Barragán (arduinohistory.github.io) · The Untold History of Arduino, opening section; partisan first-person account · retrieved 2026-10-19
  2. IEEE Spectrum (David Kushner) · The Making of Arduino, 26 Oct 2011, paragraphs on IDII and naming · retrieved 2026-10-19
  3. Arduino · What is Arduino? (fetched as markdown from github.com/arduino/docs-content main, content/learn/01.starting-guide/00.whats-arduino) · retrieved 2026-10-19
  4. Arduino blog · Two Arduinos become one, 2016-10-01, first paragraph · retrieved 2026-10-19
  5. Arduino blog · A new chapter for Arduino, 2025-10-07, opening and closing-conditions sentence · retrieved 2026-10-19
  6. Arduino blog · Arduino x Qualcomm Technologies, 2025-10-31, first line · retrieved 2026-10-19
  7. Arduino blog · One year of UNO Q, 2026-10-08 · retrieved 2026-10-19
  8. Arduino · Getting Started with Arduino, Program structure; Serial Communication Protocols · retrieved 2026-10-19
  9. Arduino · Arduino Cores (docs-content markdown, 07.cores) · retrieved 2026-10-19
  10. Arduino · Arduino Authorized Distributors page, header text · retrieved 2026-10-19
  11. NI · LabVIEW Community Edition page, "The LabVIEW Community edition includes" list · retrieved 2026-10-19
  12. Arduino · Arduino CLI documentation home · retrieved 2026-10-19
  13. Arduino (YouTube) · YouTube metadata + transcript, per research/2026-10-19_exemplar_videos.md A1 · retrieved 2026-10-19
  14. Paul McWhorter (YouTube) · YouTube metadata + transcript, per exemplar_videos.md A2 · retrieved 2026-10-19
  15. Programming Electronics Academy (YouTube) · YouTube metadata + transcript, per exemplar_videos.md A3 (sponsor mention 00:52) · retrieved 2026-10-19
  16. Arduino (YouTube) · YouTube metadata + transcript, per exemplar_videos.md (optional model-level) · retrieved 2026-10-19
  17. Arduino Help Center · How to spot a counterfeit Arduino (Last edited: October 31, 2025), first Note box, three trusted ways (WebFetch) · retrieved 2026-10-19
  18. Arduino · Software > Arduino IDE documentation index · retrieved 2026-10-18 · via Arduino IDE
  19. Arduino · UNO R4 WiFi datasheet: Wi-Fi; operating voltage · retrieved 2026-10-18 · via Log temperature over Wi-Fi
  20. Raspberry Pi Ltd · Raspberry Pi Silicon: Pico now on sale, 2021-01-21 (fetched via WebFetch; curl 403) · retrieved 2026-10-19 · via Raspberry Pi
  21. Arduino · Features p.2; 1.2 Related Products p.5; 2.2 Power Consumption p.6; 3.2 Processor p.7; 4.1 p.9 · retrieved 2026-10-16 · via Arduino UNO R3
  22. Arduino · Features p.2; 11.2 Pin Voltage; 11.3 VIN; 14.1 Getting Started - IDE · retrieved 2026-10-16 · via Arduino Nano ESP32
  23. Arduino · README.md of github.com/arduino/arduino-ide · retrieved 2026-10-18 · via Arduino IDE
  24. Arduino · Arduino IDE section of the software page · retrieved 2026-10-18 · via Arduino IDE
  25. Arduino · Product page intro + Features tab · retrieved 2026-10-16 · via Arduino Nano ESP32
  26. Arduino · Language Reference index · retrieved 2026-10-18 · via Arduino IDE