Case study

ETEKCITY Smart Nutrition Scale: mapping the ESN00 BLE packets

ETEKCITY Smart Nutrition Scale research maps the ESN00 scale’s Bluetooth Low Energy characteristics and packet payloads. A TypeScript package parses and serializes identified commands and measurements for units, tare, automatic shutoff and scale state; the documentation lists packet types still under investigation.

Targets: Protocol
Category: Independent reconstruction cases
Relationship: Independent reconstruction project
Sources reviewed: 2026-11-07
Evidence class: C2 code & docs, no demo or download

Stars: 23
Last commit: 2022-02-17
Language: TypeScript
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: 2026-11-09

How evidence classes are assigned

Requirements & limits

Scope: An ETEKCITY ESN00 scale is the documented protocol target.
Limits: Several packet types, including SET_NUTRITION, remain unresearched.
License: MIT License.

Cite

BibTeX

@misc{metekcity-case,
  title = {{ETEKCITY Smart Nutrition Scale: mapping the ESN00 BLE packets}},
  howpublished = {\url{https://github.com/hertzg/metekcity}},
  url = {https://github.com/hertzg/metekcity},
  urldate = {2026-11-07},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/metekcity-case/}}
}

Plain text

ETEKCITY Smart Nutrition Scale: mapping the ESN00 BLE packets. https://github.com/hertzg/metekcity (accessed 2026-11-07). Awesome REA entry: https://awesomerea.org/resources/metekcity-case/

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About this entry

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Primary sources

packages/esn00-packet/README.md GitHub · hertzg/metekcity · Revision e971276
README.md GitHub · hertzg/metekcity · Revision e971276