--- name: arduino-cli description: Provides commands and workflows for Arduino CLI. Use when the user wants to create, compile, or upload Arduino sketches, manage boards (list, attach), install/search/list cores (platforms) and libraries, or configure Arduino CLI. Triggers on phrases like "arduino-cli", "compile sketch", "upload arduino", "install arduino core", or "arduino library". --- # Arduino CLI Skill This skill provides guidance for using the `arduino-cli` to manage Arduino projects, boards, cores, and libraries from the command line. ## Quick Reference ### 1. Configuration & Setup Initialize the configuration file (usually in `~/.arduino15/arduino-cli.yaml`): ```bash arduino-cli config init ``` Update the local cache of available platforms and libraries (do this first!): ```bash arduino-cli core update-index ``` ### 2. Board Management List connected boards to find the port and FQBN (Fully Qualified Board Name): ```bash arduino-cli board list ``` List all supported boards and their FQBN strings: ```bash arduino-cli board listall ``` ### 3. Core (Platform) Management Search for a core: ```bash arduino-cli core search ``` Install a core using its ID (e.g., `arduino:samd`): ```bash arduino-cli core install ``` List installed cores: ```bash arduino-cli core list ``` ### 4. Sketch Workflow Create a new sketch: ```bash arduino-cli sketch new ``` Compile a sketch (requires the board's FQBN): ```bash arduino-cli compile --fqbn ``` *Example:* `arduino-cli compile --fqbn arduino:samd:mkr1000 MyFirstSketch` Upload a sketch to a connected board: ```bash arduino-cli upload -p --fqbn ``` *Example:* `arduino-cli upload -p /dev/ttyACM0 --fqbn arduino:samd:mkr1000 MyFirstSketch` ### 5. Library Management Search for a library: ```bash arduino-cli lib search ``` Install a library: ```bash arduino-cli lib install "" ``` ## Adding 3rd Party Cores (e.g., ESP8266) To install 3rd party cores, pass the `--additional-urls` flag to your core commands: ```bash arduino-cli core update-index --additional-urls https://arduino.esp8266.com/stable/package_esp8266com_index.json arduino-cli core install esp8266:esp8266 --additional-urls https://arduino.esp8266.com/stable/package_esp8266com_index.json ``` *(Alternatively, these URLs can be added to the `board_manager.additional_urls` array in `arduino-cli.yaml`)*

Arduino CLI

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Install Arduino CLI with One Click