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An introduction to hardware, software tools, and the Arduino API.

An introduction to what Arduino is, and what it can be used for.

Get to know the different tools that Arduino have, and how to set up your environment.

The offline IDE makes it easy to write code and upload it to the board without an Internet connection.

The Arduino Web Editor allows you to write code and upload sketches to any official Arduino board from your web browser.

Libraries provide extra functionality for use in sketches, e.g. working with hardware or manipulating data.

With the Arduino IoT Cloud desktop or mobile platform, you can quickly connect, manage and monitor your devices from anywhere in the world.

There are many pieces involved in getting a program onto your Arduino board.

Learn how to install cores in the Arduino IDE.

Learn Arduino comic book style! This community project has been translated into several languages, including Spanish, Chinese & Arabic.

Discover how digital pins work and how they can be configured.

Find out how analog input pins work on an Arduino.

Learn how PWM works and how to use it in a sketch..

Learn the basics of debugging microcontroller-based systems.

Design and build robust electronic circuits and devices by learning the main characteristics and differences between 3V3 and 5V power supplies levels.

What are variables, and how can we use them in a sketch.

Learn how to define and use functions in a Sketch.

Get to know how sketches work, and how they are uploaded to an Arduino.

Learn the basics of Field Programmable Gate Arrays (FPGA) and HDL.

Learn about compatibility between the popular MicroPython implementation and Arduino boards, how to set up your environment, and discover in-depth tutorials and useful links.

Learn about the built-in memory blocks of Arduino® boards in this article.

Learn how to use EEPROM, short for electrically erasable programmable read-only memory, on Arduino boards.

Browse through a series of examples on how to read and write to SD cards from an Arduino board.

Bit masks are used to access specific bits in a byte of data.

Learn how to create tones and even entire songs using an Arduino.

Learn about bit math and how to manipulate individual bits in your Arduino sketches.

Learn about different multimeter features, how they function, and how to use this essential tool.

Learn the basics of soldering, a fundamental skill every maker should have.

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

Learn how to control a variety of stepper motors using unipolar / bipolar circuits with Arduino.

Learn how to connect and control servo motors with your Arduino board.

Learn how to read the Arduino power trees and to create our own ones.

Learn the basics of low-power design using Arduino hardware and software.

Learn the fundamentals of how a potentiometers works, about the forms they come in, and how to use them in your projects.

Learn how to control a DC motor with a transistor, using PWM.

Learn more about the power pins and connectors of Arduino® boards in this article, their main characteristics, and how to use them correctly.

Allows the communication between devices or sensors connected via Two Wire Interface Bus.

Serial Peripheral Interface (SPI) is a synchronous serial data protocol used by microcontrollers for communicating with one or more peripheral devices quickly over short distances.

Learn the fundamentals of low-power wide-area networks, and what Arduino hardware can connect to them.

Learn the fundamentals of the GPS NMEA 0183 messaging protocol, and what Arduino® hardware can work with this type of messaging protocol.

Learn the basics of LoRa® and LoRaWAN® and how to use them with Arduino hardware and software.

Learn about the communication between devices or sensors using the OneWire protocol.

Modbus is an open serial communication protocol used for transmitting information over serial lines between electronic devices.

Bluetooth® Low Energy is a wireless communication technology designed for short-range communication between electronic devices.

A serial communication protocol for sending serial data over USB or via TX/RX pins.

Learn how to create your own custom hardware that is compatible with the Arduino Nano Family.

Our smallest footprint packed with advanced features.

The PDM library allows you to use Pulse-density modulation microphones, found onboard the Nano RP2040 Connect & Nano 33 BLE Sense boards.

Documentation for usage of the I2S (Inter-IC Sound) protocol on SAMD21 boards.

Documentation for usage of the EEPROM library. EEPROM is a memory whose values are kept when the board is powered off.

The SoftwareSerial library allows serial communication on other digital pins of an Arduino board.

Learn how to write clear Arduino examples that can be read by beginners and advanced users alike.

Learn how to write library APIs in an Arduino style.

Creating libraries to extend the functionality of Arduino. Goes step-by-step through the process of making a library from a sketch.

How to write content for the Arduino Documentation Website