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Firefly

Welcome to Firefly, the open-source, open-hardware Firefly Hardware Wallet.

The device we are currently working on is the Firefly Pixie, based on the ESP32-C3 (32-bit, RISC-V; 400kb RAM), 16MB flash, 240x240 16-bit color IPS display and 4 buttons.

photo of device running Gloom background 3D render of device front

Links:

Reaching Out

Pinned Loading

  1. Firefly Pixie hardware wallet design, schematics and PCB

    Shell 17 4

  2. Firefly Pixie Firmware.

    C 20 11

  3. Case design files for the Firefly Pixie.

    1 1

  4. Firefly Pixie REPL for device diagnostics and provisioning.

    C

  5. Firefly informational website.

    HTML 3 1

Repositories

Showing 10 of 21 repositories

  • pixie-hello-world Public

    A very simple Hello World firmware for Firefly Pixie to dive into some device coding.

    firefly/pixie-hello-world’s past year of commit activity

    C 0 MIT 0

    0 0

    Updated May 9, 2026

  • component-hollows Public

    The Hollows Springboard framework for building multi-panel, event-driven Firefly Apps.

    firefly/component-hollows’s past year of commit activity

    C

    1

    MIT

    1 0 1

    Updated May 9, 2026

  • component-display Public

    ESP Component - a simple fragment-based display driver for the st7789 displays.

    firefly/component-display’s past year of commit activity

    C 0 MIT

    1 0 1

    Updated May 8, 2026

  • doom Public

    Firefly port of Doom for Pixie and Gremlin devices.

    firefly/doom’s past year of commit activity

    C++

    1 1 0 1

    Updated Mar 17, 2026

  • firefly/pixie-firmware’s past year of commit activity

    C

    20 11 0 4

    Updated Feb 19, 2026

  • firefly/gremlin-device’s past year of commit activity

    Shell 0 0

    0 0

    Updated Jan 26, 2026

  • firefly/component-scene’s past year of commit activity

    C 0

    1 0 1

    Updated Oct 2, 2025

  • firefly/firefly.github.io’s past year of commit activity

    CSS 0 0

    0 0

    Updated Jul 29, 2025

  • .github Public

    GitHub Profile Configuration

    firefly/.github’s past year of commit activity

    0

    1 0 0

    Updated May 22, 2025

  • pixie-repl Public

    Firefly Pixie REPL for device diagnostics and provisioning.

    firefly/pixie-repl’s past year of commit activity

    C 0 MIT 0

    0 0

    Updated Feb 20, 2025