Install arduino cli

Installation

Several options are available for installation of Arduino CLI. Instructions for each are provided below:

Install via Homebrew (macOS/Linux)¶

The Arduino CLI is available as a Homebrew formula since version 0.5.0 :

Command line completion¶

Command line completion files are already bundled in the homebrew installation.

Use the install script¶

The script requires sh , which is always available on Linux and macOS. sh is not available by default on Windows, though it is available as part of Git for Windows (Git Bash). If you don’t have sh available, use the «Download» installation option.

This script will install the latest version of Arduino CLI to $PWD/bin :

If you want to target a different directory, for example

/local/bin , set the BINDIR environment variable like this:

If you would like to use the arduino-cli command from any location, install Arduino CLI to a directory already in your PATH or add the Arduino CLI installation path to your PATH environment variable.

If you want to download a specific Arduino CLI version, for example 0.9.0 or nightly-latest , pass the version number as a parameter like this:

Arduino CLI checks for new releases every 24 hours. If you don’t like this behaviour you can disable it by setting the updater.enable_notification config or the env var ARDUINO_UPDATER_ENABLE_NOTIFICATION to false .

Download¶

Pre-built binaries for all the supported platforms are available for download from the links below.

If you would like to use the arduino-cli command from any location, extract the downloaded file to a directory already in your PATH or add the Arduino CLI installation path to your PATH environment variable.

Latest release¶

Platform
Linux 32 bit 64 bit
Linux ARM 32 bit 64 bit
Windows 32 bit 64 bit
macOS 64 bit
macOS ARM 64 bit

Deprecation notice: links in the form http://downloads.arduino.cc/arduino-cli/arduino-cli-latest-

.tar.bz2 won’t be further updated. That URL will provide the version 0.3.7-alpha.preview , regardless of further releases.

Previous versions¶

These are available from the «Assets» sections on the releases page.

Nightly builds¶

These builds are generated every day at 01:00 GMT from the master branch and should be considered unstable. In order to get the latest nightly build available for the supported platform, use the following links:

Platform
Linux 32 bit 64 bit
Linux ARM 32 bit 64 bit
Windows 32 bit 64 bit
macOS 64 bit
macOS ARM 64 bit

These links return a 302: Found response, redirecting to latest generated builds by replacing latest with the latest available build date, using the format YYYYMMDD (i.e for 2019-08-06 latest is replaced with 20190806 )

Checksums for the nightly builds are available at https://downloads.arduino.cc/arduino-cli/nightly/nightly- -checksums.txt

Build from source¶

If you’re familiar with Golang or if you want to contribute to the project, you will probably build Arduino CLI locally with your Go toolchain. See the «How to contribute» page for instructions.

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Install arduino cli

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Several options are available for installation of Arduino CLI. Instructions for each are provided below:

Install via Homebrew (macOS/Linux)

The Arduino CLI is available as a Homebrew formula since version 0.5.0 :

Command line completion

Command line completion files are already bundled in the homebrew installation.

Use the install script

The script requires sh , which is always available on Linux and macOS. sh is not available by default on Windows, though it is available as part of Git for Windows (Git Bash). If you don’t have sh available, use the «Download» installation option.

This script will install the latest version of Arduino CLI to $PWD/bin :

If you want to target a different directory, for example

/local/bin , set the BINDIR environment variable like this:

If you would like to use the arduino-cli command from any location, install Arduino CLI to a directory already in your PATH or add the Arduino CLI installation path to your PATH environment variable.

If you want to download a specific Arduino CLI version, for example 0.9.0 or nightly-latest , pass the version number as a parameter like this:

Arduino CLI checks for new releases every 24 hours. If you don’t like this behaviour you can disable it by setting the updater.enable_notification config or the env var ARDUINO_UPDATER_ENABLE_NOTIFICATION to false .

Pre-built binaries for all the supported platforms are available for download from the links below.

If you would like to use the arduino-cli command from any location, extract the downloaded file to a directory already in your PATH or add the Arduino CLI installation path to your PATH environment variable.

Platform
Linux 32 bit 64 bit
Linux ARM 32 bit 64 bit
Windows 32 bit 64 bit
macOS 64 bit
macOS ARM 64 bit

Deprecation notice: links in the form http://downloads.arduino.cc/arduino-cli/arduino-cli-latest-

.tar.bz2 won’t be further updated. That URL will provide the version 0.3.7-alpha.preview , regardless of further releases.

These are available from the «Assets» sections on the releases page.

These builds are generated every day at 01:00 GMT from the master branch and should be considered unstable. In order to get the latest nightly build available for the supported platform, use the following links:

Platform
Linux 32 bit 64 bit
Linux ARM 32 bit 64 bit
Windows 32 bit 64 bit
macOS 64 bit
macOS ARM 64 bit

These links return a 302: Found response, redirecting to latest generated builds by replacing latest with the latest available build date, using the format YYYYMMDD (i.e for 2019-08-06 latest is replaced with 20190806 )

Checksums for the nightly builds are available at https://downloads.arduino.cc/arduino-cli/nightly/nightly- -checksums.txt

Build from source

If you’re familiar with Golang or if you want to contribute to the project, you will probably build Arduino CLI locally with your Go toolchain. See the «How to contribute» page for instructions.

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Installation

Several options are available for installation of Arduino CLI. Instructions for each are provided below:

Install via Homebrew (macOS/Linux)¶

The Arduino CLI is available as a Homebrew formula since version 0.5.0 :

Command line completion¶

Command line completion files are already bundled in the homebrew installation.

Use the install script¶

The script requires sh , which is always available on Linux and macOS. sh is not available by default on Windows, though it is available as part of Git for Windows (Git Bash). If you don’t have sh available, use the «Download» installation option.

This script will install the latest version of Arduino CLI to $PWD/bin :

If you want to target a different directory, for example

/local/bin , set the BINDIR environment variable like this:

If you would like to use the arduino-cli command from any location, install Arduino CLI to a directory already in your PATH or add the Arduino CLI installation path to your PATH environment variable.

If you want to download a specific Arduino CLI version, for example 0.9.0 or nightly-latest , pass the version number as a parameter like this:

Arduino CLI checks for new releases every 24 hours. If you don’t like this behaviour you can disable it by setting the updater.enable_notification config or the env var ARDUINO_UPDATER_ENABLE_NOTIFICATION to false .

Download¶

Pre-built binaries for all the supported platforms are available for download from the links below.

If you would like to use the arduino-cli command from any location, extract the downloaded file to a directory already in your PATH or add the Arduino CLI installation path to your PATH environment variable.

Latest release¶

Platform
Linux 32 bit 64 bit
Linux ARM 32 bit 64 bit
Windows 32 bit 64 bit
macOS 64 bit

Deprecation notice: links in the form http://downloads.arduino.cc/arduino-cli/arduino-cli-latest-

.tar.bz2 won’t be further updated. That URL will provide the version 0.3.7-alpha.preview , regardless of further releases.

Previous versions¶

These are available from the «Assets» sections on the releases page.

Nightly builds¶

These builds are generated every day at 01:00 GMT from the master branch and should be considered unstable. In order to get the latest nightly build available for the supported platform, use the following links:

Platform
Linux 32 bit 64 bit
Linux ARM 32 bit 64 bit
Windows 32 bit 64 bit
macOS 64 bit

These links return a 302: Found response, redirecting to latest generated builds by replacing latest with the latest available build date, using the format YYYYMMDD (i.e for 2019-08-06 latest is replaced with 20190806 )

Checksums for the nightly builds are available at https://downloads.arduino.cc/arduino-cli/nightly/nightly- -checksums.txt

Build from source¶

If you’re familiar with Golang or if you want to contribute to the project, you will probably build Arduino CLI locally with your Go toolchain. See the «How to contribute» page for instructions.

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Getting started

Despite the lack of feature parity at the moment, Arduino CLI provides many of the features you can find in the Arduino IDE. Let’s see some examples.

Before you start¶

arduino-cli is a container of commands and each command has its own dedicated help text that can be shown with the help command like this:

Create a configuration file¶

Arduino CLI doesn’t strictly require a configuration file to work because the command line interface provides any possible functionality. However, having one can spare you a lot of typing when issuing a command, so let’s go ahead and create it with:

If you inspect the contents of arduino-cli.yaml , you’ll find the available options with their respective default values. For more information, see the configuration documentation.

Create a new sketch¶

To create a new sketch named MyFirstSketch in the current directory, run the following command:

A sketch is a folder containing assets like source files and libraries; the new command creates for you a .ino file called MyFirstSketch.ino containing Arduino boilerplate code:

At this point you can use your favourite file editor or IDE to open the file $HOME/MyFirstSketch/MyFirstSketch.ino and change the code like this:

Connect the board to your PC¶

The first thing to do upon a fresh install is to update the local cache of available platforms and libraries by running:

After connecting the board to your PC by using the USB cable, you should be able to check whether it’s been recognized by running:

In this example, the MKR1000 board was recognized and from the output of the command you see the platform core called arduino:samd is the one that needs to be installed to make it work.

If you see an Unknown board listed, uploading should still work as long as you identify the platform core and use the correct FQBN string. When a board is not detected for whatever reason, you can list all the supported boards and their FQBN strings by running the following:

Install the core for your board¶

To install the arduino:samd platform core, run the following:

Now verify we have installed the core properly by running:

Great! Now we are ready to compile and upload the sketch.

Adding 3rd party cores¶

If your board requires 3rd party core packages to work, you can list the URLs to additional package indexes in the Arduino CLI configuration file.

For example, to add the ESP8266 core, edit the configuration file and change the board_manager settings as follows:

If you have your package indexes locally installed, you can list their file path in the Arduino CLI configuration file.

For example, to add the NRF52832 core, edit the configuration file and change the board_manager settings as follows:

From now on, commands supporting custom cores will automatically use the additional URL from the configuration file:

Alternatively, you can pass a link to the additional package index file with the —additional-urls option, that has to be specified every time and for every command that operates on a 3rd party platform core, for example:

The same applies to the additional package index file provided by file paths:

Compile and upload the sketch¶

To compile the sketch you run the compile command, passing the proper FQBN string:

To upload the sketch to your board, run the following command, using the serial port your board is connected to:

Add libraries¶

If you need to add more functionalities to your sketch, chances are some of the libraries available in the Arduino ecosystem already provide what you need. For example, if you need a debouncing strategy to better handle button inputs, you can try searching for the debouncer keyword:

Our favourite is FTDebouncer , let’s install it by running:

Using the daemon mode and the gRPC interface¶

Arduino CLI can be launched as a gRPC server via the daemon command.

The client_example folder contains a sample client code that shows how to interact with the gRPC server. Available services and messages are detailed in the gRPC reference pages.

To provide observability for the gRPC server activities besides logs, the daemon mode activates and exposes by default a Prometheus endpoint (http://localhost:9090/metrics) that can be fetched for metrics data like:

The metrics settings are exposed via the metrics section in the CLI configuration:

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