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  1. arduino.cc
    https://docs.arduino.cc › hardware

    UNO R3 | Arduino Documentation

    The Arduino UNO is the best board to get started with electronics and coding. If this is your first experience tinkering with the platform, the UNO is the most robust board you can start playing with.

  2. arduino.cc
    https://docs.arduino.cc › software › ide

    Arduino IDE | Arduino Documentation

    Discover all the features of the Arduino IDE, our most popular programming tool.

  3. arduino.cc
    https://docs.arduino.cc › resources › datasheets
    [PDF]

    gzfa8-datasheet - Arduino Docs

    The Arduino® UNO R3 is the perfect board to get familiar with electronics and coding. This versatile development board is equipped with the well-known ATmega328P and the ATMega 16U2 Processor.

  4. arduino.cc
    https://docs.arduino.cc › learn › electronics › lcd-displays

    Liquid Crystal Displays (LCD) with Arduino

    Find out how to wire an LCD to an Arduino, and how to use the LiquidCrystal library through a set of useful examples.

  5. arduino.cc
    https://docs.arduino.cc › language-reference

    Language Reference | Arduino Documentation

    Home / Programming / Language Reference Language Reference Arduino programming language can be divided in three main parts: functions, values (variables and constants), and structure.

  6. arduino.cc
    https://docs.arduino.cc › built-in-examples

    Built-in Examples | Arduino Documentation

    Learn the basics of Arduino through this collection tutorials. All code examples are available directly in all IDEs.

  7. arduino.cc
    https://docs.arduino.cc › learn › communication › wire

    Inter-Integrated Circuit (I2C) Protocol | Arduino Documentation

    Arduino boards to share information with each other. In this example, two boards are programmed to communicate with one another in a Controller Writer/Peripheral Receiver configuration via the I2C …

  8. arduino.cc
    https://docs.arduino.cc › tutorials › getting-started

    Getting Started with Arduino UNO R3

    Oct 7, 2025 · In this tutorial we prepared the Arduino UNO R3 to be used with the Arduino IDE. For any issues regarding the Arduino AVR board package, please refer to the Arduino Core for AVR devices.

  9. arduino.cc
    https://docs.arduino.cc › tutorials › intro-to-board

    Overview of the Arduino UNO Components

    Oct 7, 2025 · In addition to the specific functions listed below, the digital pins on an Arduino board can be used for general purpose input and output via the pinMode (), digitalRead (), and digitalWrite () …

  10. arduino.cc
    https://docs.arduino.cc › language-reference › en › functions › external-interru…

    attachInterrupt() | Arduino Documentation

    Apr 24, 2025 · Browse through hundreds of tutorials, datasheets, guides and other technical documentation to get started with Arduino products.