PM3 Commands Reference (Iceman Firmware):

Main Help

---

Current command:
lf em 4x70 writepin --help

---

Write PIN

usage:
    lf em 4x70 writepin [-h] [--par] -p <hex>

options:
    -h, --help                     This help
    --par                          Add parity bit when sending commands
    -p, --pin <hex>                pin, 4 bytes

examples/notes:
    lf em 4x70 writepin -p 11223344      -> Write PIN
    lf em 4x70 writepin -p 11223344 --par      -> Write PIN using parity commands