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type: reference
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# Project Yukart

Making a 2008 Mitsubishi Colt Ralliart (Z27AG) a bit smarter with modern technologies.
What the system is meant to do is described in [OVERVIEW.md](OVERVIEW.md).

This repository is the **overview and roadmap only — it holds no code.**
Every application or application cluster lives in its own repository and is
indexed here.

## Documents

- [Overview](OVERVIEW.md) — what the system is meant to do
- [Architecture](docs/ARCHITECTURE.md) — system shape, services, message bus, display contract
- [Orin runtime](docs/ORIN-RUNTIME.md) — what runs on the board: memory budget, startup tiers, audio
- [Repositories](docs/REPOS.md) — repo layout, naming, template-repo policy
- [Roadmap](docs/ROADMAP.md) — phases and current status

## Repository index

| Repository | Role | Status |
|---|---|---|
| [project-yukart](gitea:yukart/project-yukart) | This hub — overview, roadmap, cross-cutting design | Active |
| [orin-nano-env-setup](gitea:yukart/orin-nano-env-setup) | Jetson host bring-up: drivers, kernel modules, OS-level setup | Active |

Planned repositories and the reasoning behind the split are described in
[docs/REPOS.md](docs/REPOS.md).

## Hardware at a glance

| Part | Role |
|---|---|
| NVIDIA Jetson Orin Nano Super (`mikkeli-orin-nano`) | Car unit: main compute, JetPack r36.4 / Ubuntu 22.04 |
| NVIDIA Jetson Orin Nano Super (`mikkeli-orin-nano-2`) | Development unit: builds, CI, bench (see [REPOS](docs/REPOS.md)) |
| PEAK PCAN-USB | Car CAN bus access (`can_pcan`, 500 kbps measured at the OBD port; listen-only until `obd-poller`) |
| Onboard MTTCan | Second CAN interface (`can_onboard`) |
| Waveshare SIM7600G-H-M.2 | LTE Cat 4 (povo, fallback uplink below WiFi/Ethernet) + GNSS |

Details and rationale live in the environment repo's
[bill of materials](gitea:yukart/orin-nano-env-setup).