# LibreConga: investigating the Conga 5490 communication protocol

> LibreConga investigates the Cecotec Conga 5490 robot vacuum's communication protocol through captured app traffic. Its notes describe frame lengths, identifiers and sequence fields for ping and login exchanges, with a separate table of observed command opcodes.

- Type: Case study
- Targets: Protocol
- Category: Independent reconstruction cases
- Relationship: Independent reconstruction project
- Sources reviewed: 2026-11-06
- Added to the catalog: 2026-11-09
- Original resource: <https://github.com/Xumeiquer/LibreConga>
- Primary source: <https://github.com/Xumeiquer/LibreConga/blob/b6c559e215f67dede09eba58167a4398e55ec069/docs/research/protocol.md>
- Catalog page: <https://awesomerea.org/resources/libreconga-5490-case/>
- Record JSON: <https://awesomerea.org/resources/libreconga-5490-case/record.json>
- Chinese version: [简体中文](https://awesomerea.org/zh/resources/libreconga-5490-case/index.md)

## Requirements & limits

- **Prerequisites:** A Conga 5490 and its app for repeating the documented observations.
- **Limits:** The protocol research is ongoing.
- **License:** MIT License.

## Primary sources

1. <https://github.com/Xumeiquer/LibreConga/blob/b6c559e215f67dede09eba58167a4398e55ec069/docs/research/protocol.md>
2. <https://github.com/Xumeiquer/LibreConga/blob/b6c559e215f67dede09eba58167a4398e55ec069/docs/index.md>
3. <https://github.com/Xumeiquer/LibreConga/blob/b6c559e215f67dede09eba58167a4398e55ec069/docs/research/commands.md>

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## About this entry

The description was reviewed against primary sources.
Original editorial content: MIT. Linked projects, papers and assets retain their own rights and licenses.