Case study

mi-scale-2: decoding Mi Smart Scale 2 weight messages

mi-scale-2 decodes Xiaomi Mi Smart Scale 2 BLE weight data and publishes the readings to MQTT. Its format notes identify unit, stabilized, and weight-removed bits in the first byte and a little-endian weight value in the next two bytes.

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: 9
Last commit: 2023-12-14
Language: Python
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

Prerequisites: Python 3 with python-dotenv, bluepy, and paho-mqtt; bluepy.btle requires root permissions.
Testing evidence: The author reports testing only with a Raspberry Pi 3b and Mi Scale 2.
License: MIT license.

Cite

BibTeX

@misc{mi-scale-2-case,
  title = {{mi-scale-2: decoding Mi Smart Scale 2 weight messages}},
  howpublished = {\url{https://github.com/qbbr/mi-scale-2}},
  url = {https://github.com/qbbr/mi-scale-2},
  urldate = {2026-11-07},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/mi-scale-2-case/}}
}

Plain text

mi-scale-2: decoding Mi Smart Scale 2 weight messages. https://github.com/qbbr/mi-scale-2 (accessed 2026-11-07). Awesome REA entry: https://awesomerea.org/resources/mi-scale-2-case/

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Primary sources

README.md GitHub · qbbr/mi-scale-2 · Revision cac6537