diy-fido-key — third-party notices

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This repository contains original code plus components fetched at build time.

The build instructions pin the exact versions listed below.

Project code

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esp32-lcd/*, tools/* AGPL-3.0-or-later (see LICENSE)

Firmware

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pico-fido commit ade7702 (2026-10-19) AGPL-3.0

https://github.com/polhenarejos/pico-fido

pico-keys-sdk commit a2f0a51 (PicoKeys SDK 9.2) AGPL-3.0

https://github.com/polhenarejos/pico-keys-sdk

The LCD status display patches pico-keys-sdk (src/main.c, CMake lists) and is

applied by tools/install-esp32-lcd.sh. Modified files remain under AGPL-3.0.

Build environment

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ESP-IDF v5.5.1 Apache-2.0

Managed components (downloaded by the ESP-IDF component manager)

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espressif/esp_tinyusb Apache-2.0

espressif/tinyusb MIT

espressif/mbedtls Apache-2.0

espressif/tinycbor MIT

zorxx/neopixel MIT

Font data

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The 5x7 glyph table in esp32-lcd/font5x7.h is derived from u8g2's

u8x8_font_5x7_f (https://github.com/olikraus/u8g2, BSD-2-Clause).

The underlying font is "-Misc-Fixed-Medium-R-Normal--7-70-75-75-C-50",

which its header marks as public domain.

Artwork

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The mascot image is embedded as esp32-lcd/mascot_80x80.h.

(C) 河西いつき

Disclaimer

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This is a hobby project. The firmware is not certified, has no secure element,

and is not intended as the only authentication factor for important accounts.

No warranty is provided.