{
  "added_at": "2026-11-09",
  "additional_evidence_urls": [
    "https://github.com/hertzg/metekcity/blob/e971276e8cc7ab8d606ec6471d205c389d27224f/README.md"
  ],
  "category": "reconstruction-cases",
  "class": "hardware",
  "description_en": "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.",
  "description_zh": "ETEKCITY Smart Nutrition Scale 项目梳理 ESN00 电子秤的 Bluetooth Low Energy 特征值和数据包载荷。TypeScript 包可解析和生成已识别的单位、去皮、自动关机及称重状态消息；文档还列出尚待研究的数据包。",
  "entry_url": "https://awesomerea.org/resources/metekcity-case/",
  "entry_url_zh": "https://awesomerea.org/zh/resources/metekcity-case/",
  "evidence_class": 2,
  "evidence_status": "observed",
  "evidence_url": "https://github.com/hertzg/metekcity/blob/e971276e8cc7ab8d606ec6471d205c389d27224f/packages/esn00-packet/README.md",
  "group": "cases",
  "id": "metekcity-case",
  "json_url": "https://awesomerea.org/resources/metekcity-case/record.json",
  "kind": "case-study",
  "markdown_url": "https://awesomerea.org/resources/metekcity-case/index.md",
  "markdown_url_zh": "https://awesomerea.org/zh/resources/metekcity-case/index.md",
  "name": "ETEKCITY Smart Nutrition Scale: mapping the ESN00 BLE packets",
  "name_zh": "ETEKCITY Smart Nutrition Scale：解析 ESN00 蓝牙数据包",
  "record_type": "resource",
  "relationship": "independent-reconstruction",
  "requirement_facets": [
    "scope",
    "limits",
    "license"
  ],
  "requirements": [
    "An ETEKCITY ESN00 scale is the documented protocol target.",
    "Several packet types, including SET_NUTRITION, remain unresearched.",
    "MIT License."
  ],
  "requirements_zh": [
    "协议研究对象是 ETEKCITY ESN00 电子秤。",
    "包括 SET_NUTRITION 在内的部分数据包类型尚未研究。",
    "MIT 许可证。"
  ],
  "scope": "unknown",
  "targets": [
    "protocol"
  ],
  "url": "https://github.com/hertzg/metekcity",
  "verification": "source-reviewed",
  "verified_at": "2026-11-07"
}