PM3 Commands Reference (Iceman Firmware):

Updated: January 2025

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Current command:
hw ping --help

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Test if the Proxmark3 is responsive

usage:
    hw ping [-l <dec>]

options:
    -h, --help                     This help
    -l, --len <dec>                length of payload to send

examples/notes:
    hw ping
    hw ping --len 32