1arduino-cli board list [flags]

1arduino-cli board list --discovery-timeout 10s

1--board-options strings        List of board options separated by commas. Or can be used multiple times for multiple options.
2      --discovery-timeout duration   Max time to wait for port discovery, e.g.: 30s, 1m (default 1s)
3  -b, --fqbn string                  Fully Qualified Board Name, e.g.: arduino:avr:uno
4  -h, --help                         help for list
5  -w, --watch                        Command keeps running and prints list of connected boards whenever there is a change.

1--additional-urls strings   Comma-separated list of additional URLs for the Boards Manager.
2      --config-dir string         Sets the default data directory (Arduino CLI will look for configuration file in this directory).
3      --config-file string        The custom config file (if not specified the default will be used).
4      --json                      Print the output in JSON format.
5      --log                       Print the logs on the standard output.
6      --log-file string           Path to the file where logs will be written.
7      --log-format string         The output format for the logs, can be: text, json (default "text")
8      --log-level string          Messages with this level and above will be logged. Valid levels are: trace, debug, info, warn, error, fatal, panic (default "info")
9      --no-color                  Disable colored output.