# max-cube-protocol

> max-cube-protocol documents the eQ3/ELV MAX! heating cube's TCP protocol, including connection setup, single-letter message types, CRLF framing and device-configuration payloads. The author combines observations from a cube running firmware 1.1.3 with findings from decompiling the original MAX software.

- Type: Documentation
- Targets: Protocol
- Category: Protocol analysis tools
- Relationship: Learning resource
- Sources reviewed: 2026-11-06
- Added to the catalog: 2026-11-09
- Original resource: <https://github.com/Bouni/max-cube-protocol>
- Primary source: <https://github.com/Bouni/max-cube-protocol/blob/f9d2734822c17348dd66093ef334d151a5f5d36a/protocol.md>
- Catalog page: <https://awesomerea.org/resources/max-cube-protocol/>
- Record JSON: <https://awesomerea.org/resources/max-cube-protocol/record.json>
- Chinese version: [简体中文](https://awesomerea.org/zh/resources/max-cube-protocol/index.md)

## Requirements & limits

- **Scope:** The author reports that the documented observations apply to cube firmware version 1.1.3.
- **License:** MIT license.

## Primary sources

1. <https://github.com/Bouni/max-cube-protocol/blob/f9d2734822c17348dd66093ef334d151a5f5d36a/protocol.md>
2. <https://github.com/Bouni/max-cube-protocol/blob/f9d2734822c17348dd66093ef334d151a5f5d36a/README.md>
3. <https://github.com/Bouni/max-cube-protocol/blob/f9d2734822c17348dd66093ef334d151a5f5d36a/C-Message.md>
4. <https://github.com/Bouni/max-cube-protocol/blob/f9d2734822c17348dd66093ef334d151a5f5d36a/LICENSE>

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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.