Case study

Blue Star AC → ESPHome: reconstructing the Wi-Fi port protocol

Blue Star AC → ESPHome reconstructs the UART protocol of Blue Star smart-ready air conditioners and implements local control on an ESP32-C3. Its ESPHome component completes the Tuya MCU handshake, exchanges Blue Star DP101 key/value records and exposes climate controls to Home Assistant for tested IE518TNUR and IA318MXU models.

Targets: Protocol
Category: Independent reconstruction cases
Relationship: Independent reconstruction project
Sources reviewed: 2026-11-06
Evidence class: C2 code & docs, no demo or download

Stars: 11
Last commit: 2026-11-03
Language: C++
License (GitHub): MIT

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 tested Blue Star IE518TNUR or IA318MXU unit with an ESP32-C3, 4-pin connector and voltage divider.
Prerequisites: ESPHome 2026.10 with the ESP-IDF framework.
Limits: Other Blue Star models are unconfirmed.
License: MIT license.

Cite

BibTeX

@misc{blue-star-ac-esphome-case,
  title = {{Blue Star AC → ESPHome: reconstructing the Wi-Fi port protocol}},
  howpublished = {\url{https://github.com/Vikk20/bluestar-ac-esphome}},
  url = {https://github.com/Vikk20/bluestar-ac-esphome},
  urldate = {2026-11-06},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/blue-star-ac-esphome-case/}}
}

Plain text

Blue Star AC → ESPHome: reconstructing the Wi-Fi port protocol. https://github.com/Vikk20/bluestar-ac-esphome (accessed 2026-11-06). Awesome REA entry: https://awesomerea.org/resources/blue-star-ac-esphome-case/

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About this entry

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Primary sources

README.md GitHub · Vikk20/bluestar-ac-esphome · Revision 123ad20
docs/PROTOCOL.md GitHub · Vikk20/bluestar-ac-esphome · Revision 123ad20