# Ocypus Digital Controller: reconstructing cooler display communication

> Ocypus Digital Controller implements a Linux daemon and CLI for Ocypus digital cooler displays using USB HID communication recovered from the Ocypus Digital Elite Windows utility. Its documentation maps standard 64-byte reports and a YCC variant, including temperature, utilization, fan and display mode fields.

- Type: Case study
- Targets: App · Protocol
- Category: Independent reconstruction cases
- Relationship: Independent reconstruction project
- Sources reviewed: 2026-11-06
- Added to the catalog: 2026-11-08
- Original resource: <https://github.com/reyhanfahlevi/ocypus-controller>
- Primary source: <https://github.com/reyhanfahlevi/ocypus-controller/blob/67a3d68fc1a9c7b279e52ccd59d02eac971f1855/README.md>
- Catalog page: <https://awesomerea.org/resources/ocypus-controller-case/>
- Record JSON: <https://awesomerea.org/resources/ocypus-controller-case/record.json>
- Chinese version: [简体中文](https://awesomerea.org/zh/resources/ocypus-controller-case/index.md)

## Requirements & limits

- **Prerequisites:** Requires Linux with /dev/hidraw, Python 3.9+ and a supported Ocypus or related digital cooler display.
- **Scope:** The documented USB identifiers and report variants define the supported device scope.
- **License:** MIT.

## Primary sources

1. <https://github.com/reyhanfahlevi/ocypus-controller/blob/67a3d68fc1a9c7b279e52ccd59d02eac971f1855/README.md>

## More in Apps

- [dvpn-decrypter: exporting SOLAR Labs dVPN mnemonics](https://awesomerea.org/resources/dvpn-decrypter-case/index.md) · Case study
- [OpenCfMoto for iOS: a PXC motorcycle-dashboard client](https://awesomerea.org/resources/opencfmoto-ios-case/index.md) · Case study
- [MechControl: replacing Uniwill laptop control through EC research](https://awesomerea.org/resources/mechcontrol-case/index.md) · Case study
- [codex-app for macOS: reconstructing the Codex desktop workspace](https://awesomerea.org/resources/codex-app-case/index.md) · Case study
- [FIIL headphones: reconstructing Bluetooth control commands](https://awesomerea.org/resources/fiil-headphone-protocol-case/index.md) · Case study
- [喜鹊儿 App: reconstructing login, timetable and attendance API behavior](https://awesomerea.org/resources/kingosoft-api-notes-case/index.md) · Case study

## 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.
