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Local control of Cync / C by GE smart lighting — no cloud, no internet required. Home Assistant runs a small TCP/TLS server that your Cync devices connect to instead of Cync's cloud, via a DNS override at your router.
Main repository: https://github.com/Proxy-alt/cync-lan
| Page | What it covers |
|---|---|
| DNS | The one hard requirement. Per-router guides for Pi-hole, AdGuard Home, OPNsense, Omada and dnsmasq. |
| Installation | Installing the integration, the Docker/MQTT add-on, or plain Docker Compose. |
| Troubleshooting | Start here when something does not connect or a device is missing. |
| Tips | Practical notes from real deployments. |
| Page | What it covers |
|---|---|
| Debugging Setup | Capturing packets and reading the debug logs, for reporting a bug usefully. |
| Firmware Versions | Reading device firmware versions, and why upgrading is discouraged. |
The protocol research lives in the repository, not the wiki, and that is deliberate. Those documents are cited from source comments over a hundred times, they are mirrored across three release branches by a CI check that fails on drift, and their claims carry evidence tiers (confirmed / plausible / not found) that are worth reviewing in a pull request rather than editing in place.
- docs/mesh_opcodes.md — the mesh command protocol
- docs/packet_structure.md — TCP framing
- docs/ble_provisioning_protocol.md — BLE pairing and provisioning
- docs/cync_automations.md — hub-side scenes and schedules
- docs/known_devices.md — what is known to work
- docs/hardware_verification.md — the verification runbook
Router UIs change, and there are more router models than anyone can own. If a step here is wrong or missing for your hardware, correcting it directly is genuinely useful — that is why the setup guides live in a wiki and the protocol research does not.
Bugs and feature requests still belong in issues; questions and "did this work for you" reports fit discussions.
Repository · Issues · Discussions · Releases
These setup pages are community-editable — if a step is wrong or missing for your hardware, please correct it. Protocol and reverse-engineering documentation lives in docs/ in the repository, not here.
Not affiliated with, endorsed by, or supported by GE Lighting or Savant. Do not contact them about this project.