# FASTSHIFT/X-TRACK

A GPS bicycle speedometer that supports offline maps and track recording

Repository: https://github.com/FASTSHIFT/X-TRACK
Canonical: https://ross.abutalabs.com/products/x-track
Homepage: https://deepwiki.com/FASTSHIFT/X-TRACK
Language: C
License: MIT
License Family: permissive
Topics: gps, gps-tracking, bicycle, speedometer, offline-maps, mcu, lvgl, mvp, gpx
Last push: 2025-11-08T03:54:31+00:00

## Health v2 (maintenance only)
Score: 46/100 (v2, computed 2026-09-02T17:46:02.011165+00:00)
- activity 51, release rhythm 8, longevity 100
- inputs: {"age_days": 1993, "days_push": 298, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: none
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 6277, forks 1341 (observed 2026-08-28T04:09:41.224328+00:00)

## What it is
An open-source GPS bicycle computer (speedometer) built on an AT32F435 MCU with an LVGL-based UI, supporting offline maps, real-time position display, and GPX track recording. It includes a PC simulator (Windows/Linux) so the firmware can be developed without hardware.

## Use cases
- build a DIY GPS bike computer
- record cycling tracks and export GPX files
- display current position on offline maps while riding
- develop embedded LVGL firmware with a desktop simulator
- track speed, distance, time, and calories on a bicycle

## When to choose
- you want a fully open-source, offline-capable bike computer you can build yourself
- you want to learn embedded GUI development with LVGL on an MCU
- you need GPX track export without cloud dependency

## When to avoid
- you want a ready-made commercial device with warranty and support
- you need turn-by-turn navigation or online map routing
- you don't want to assemble custom hardware or flash firmware

## Facets
- artifact type: application
- maturity: active
- function: embedded, graphics, file-system, data-visualization, geospatial
- domain: iot, embedded-systems, hardware, cross-platform
- platform: embedded, iot, windows, cpp, c
- tags: gps-bike-computer, lvgl, offline-maps, gpx, track-recording, speedometer, mcu-firmware, hardware-project, maps, linux

## Member repositories
- FASTSHIFT/X-TRACK (main) score 46

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:09:41.224328+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-29T17:46:28.369475+00:00, confidence not recorded.
  - readme: https://github.com/FASTSHIFT/X-TRACK (fetched 2026-08-28T04:09:41.224328+00:00, sha 0fff5917ed94)
  - homepage: https://deepwiki.com/FASTSHIFT/X-TRACK (fetched 2026-08-29T08:42:59.627302+00:00, sha 3dde978cd28e)
- Data as of 2026-08-30T08:39:29.467469+00:00.