Case study

LGTV: reconstructing LG webOS TV control exchanges

LGTV reconstructs control of a 2014 LG webOS TV in a Node.js client. The author documents SSDP discovery, WebSocket pairing on ports 3000 and 3001, and cleartext JSON requests observed with network tools, then uses them for input, volume and app controls.

Targets: Protocol
Category: Independent reconstruction cases
Relationship: Independent reconstruction project
Sources reviewed: 2026-11-09

Stars: 261
Last commit: 2022-02-02
Language: JavaScript
License (GitHub): MIT

GitHub data as of 2026-11-09

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Requirements & limits

Prerequisites: An LG smart TV running webOS is required; the documentation targets later 2014 or 2015 models.
Prerequisites: The client and TV must be on the same network, and first use requires approval on the TV.
Limits: The project is no longer maintained; turning on the TV and opening YouTube at a URL are listed as unsupported.
License: MIT license.

Cite

BibTeX

@misc{lgtv-js-case,
  title = {{LGTV: reconstructing LG webOS TV control exchanges}},
  howpublished = {\url{https://github.com/msloth/lgtv.js}},
  url = {https://github.com/msloth/lgtv.js},
  urldate = {2026-11-09},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/lgtv-js-case/}}
}

Plain text

LGTV: reconstructing LG webOS TV control exchanges. https://github.com/msloth/lgtv.js (accessed 2026-11-09). Awesome REA entry: https://awesomerea.org/resources/lgtv-js-case/

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Primary sources

README.md GitHub · msloth/lgtv.js · Revision 0f57ecd