Case study

PetMarvel C1: reconstructing local litter-box control

PetMarvel C1 Local reconstructs the litter box's cloud-facing TLS and MQTT exchanges in a router-hosted Go broker. Protocol notes describe topics, TLV commands and status fields; Home Assistant patches connect to the local broker.

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: 0
Last commit: 2026-11-04
Language: Go
License (GitHub): MIT

GitHub data as of 2026-11-10

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Evidence

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

How evidence classes are assigned

Requirements & limits

Prerequisites: PetMarvel C1 firmware 1.0.2 is the documented device target.
Prerequisites: Go 1.23.x is required because the device uses RSA key exchange; deployment requires a suitable OpenWrt router.
Prerequisites: Home Assistant integration requires the upstream jarylc/hass-pet-marvel project.
Limits: Cloud and vendor OTA functions become unavailable under local routing.
License: MIT License for repository code; Home Assistant patches follow upstream terms.

Cite

BibTeX

@misc{petmarvel-c1-local-case,
  title = {{PetMarvel C1: reconstructing local litter-box control}},
  howpublished = {\url{https://github.com/KiriKira/petmarvel-c1-local}},
  url = {https://github.com/KiriKira/petmarvel-c1-local},
  urldate = {2026-11-06},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/petmarvel-c1-local-case/}}
}

Plain text

PetMarvel C1: reconstructing local litter-box control. https://github.com/KiriKira/petmarvel-c1-local (accessed 2026-11-06). Awesome REA entry: https://awesomerea.org/resources/petmarvel-c1-local-case/

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About this entry

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Primary sources

README.md GitHub · KiriKira/petmarvel-c1-local · Revision ca0d1bd
docs/protocol.md GitHub · KiriKira/petmarvel-c1-local · Revision ca0d1bd
docs/reverse-engineering.md GitHub · KiriKira/petmarvel-c1-local · Revision ca0d1bd