Case study

esphome-quietcool: reconstructing QuietCool fan radio control

esphome-quietcool reconstructs QuietCool fan control over a proprietary 433.92 MHz 2-FSK radio link. Its ESPHome C++ component sends OEM-compatible commands, receives fan status and exposes controls through Home Assistant; the protocol work draws on SDR captures and analysis of two handheld remote firmware dumps.

Targets: Firmware · Protocol
Category: Independent reconstruction cases
Relationship: Independent reconstruction project
Sources reviewed: 2026-11-08
Evidence class: C2 code & docs, no demo or download

Stars: 9
Last commit: 2026-11-02
Language: C++

GitHub data as of 2026-11-10

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Evidence

Observed: Code, documentation and a demo observed; no download method found.
Checked: 2026-11-08

How evidence classes are assigned

Requirements & limits

Prerequisites: A supported ESP32 LoRa board, 433 MHz antenna, QuietCool fan, its working OEM remote, ESPHome and Home Assistant are required for deployment.
Limits: The maintained C++ configuration targets LilyGO TTGO LoRa32 V2.1 with SX1278; the SX1262 V3 path has not been confirmed on hardware.
License: MIT License.

Cite

BibTeX

@misc{esphome-quietcool-case,
  title = {{esphome-quietcool: reconstructing QuietCool fan radio control}},
  howpublished = {\url{https://github.com/joyfulhouse/esphome-quietcool}},
  url = {https://github.com/joyfulhouse/esphome-quietcool},
  urldate = {2026-11-08},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/esphome-quietcool-case/}}
}

Plain text

esphome-quietcool: reconstructing QuietCool fan radio control. https://github.com/joyfulhouse/esphome-quietcool (accessed 2026-11-08). Awesome REA entry: https://awesomerea.org/resources/esphome-quietcool-case/

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About this entry

The description was reviewed against primary sources.

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Primary sources

docs/firmware-analysis.md GitHub · joyfulhouse/esphome-quietcool · Revision 7459d42
README.md GitHub · joyfulhouse/esphome-quietcool · Revision 7459d42