Case study

breezyd: reconstructing local control of Twinfresh Breezy ventilators

breezyd implements local UDP/4000 control for Vents Twinfresh Breezy 160 and Elite 160 Pro ventilators. Its Go library, CLI and daemon read sensors and set operating modes, while retained Python probes and snapshot diffs document how vendor-app actions were mapped to device parameters.

Targets: Protocol
Category: Independent reconstruction cases
Relationship: Independent reconstruction project
Sources reviewed: 2026-11-06
Evidence class: C1 partial scope or analysis entry

Stars: 1
Last commit: 2026-06-29
Language: Go
License (GitHub): GPL-3.0

GitHub data as of 2026-11-10

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Evidence

Demo screenshot from the project's public documentation

Observed: Download and demo observed; the case covers part of the target software.
Scope: Partial
Checked: 2026-11-08

How evidence classes are assigned

Requirements & limits

Prerequisites: A supported Twinfresh Breezy 160 or Elite 160 Pro unit reachable over the local network, with its device ID and protocol password.
Prerequisites: Go 1.26.2 is declared by the source module for building the Go code.
Testing evidence: Other 200-series models share the described protocol but were not tested against hardware.
License: GNU General Public License v3.0.

Cite

BibTeX

@misc{breezyd-twinfresh-protocol-case,
  title = {{breezyd: reconstructing local control of Twinfresh Breezy ventilators}},
  howpublished = {\url{https://github.com/hughobrien/breezyd}},
  url = {https://github.com/hughobrien/breezyd},
  urldate = {2026-11-06},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/breezyd-twinfresh-protocol-case/}}
}

Plain text

breezyd: reconstructing local control of Twinfresh Breezy ventilators. https://github.com/hughobrien/breezyd (accessed 2026-11-06). Awesome REA entry: https://awesomerea.org/resources/breezyd-twinfresh-protocol-case/

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About this entry

The description was reviewed against primary sources.

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Primary sources

tools/README.md GitHub · hughobrien/breezyd · Revision a87809d
README.md GitHub · hughobrien/breezyd · Revision a87809d