{
  "added_at": "2026-11-08",
  "additional_evidence_urls": [
    "https://github.com/DhrubaDC1/qcywatch/blob/a815407197235b17f7862488c02fd0d2874832d9/reference.md"
  ],
  "category": "community-case-studies",
  "class": "hardware",
  "description_en": "qcywatch reconstructs QCY Watch GT2 control and watch-face upload from the QCY Android app, BLE captures and face files. Its Linux scripts create and upload faces, read device information and battery state, sync time and send notifications. The author reports using REA to recover the face container layout.",
  "description_zh": "qcywatch 根据 QCY Android 应用、BLE 抓包和表盘文件还原 QCY Watch GT2 的控制与表盘上传流程。Linux 脚本可制作并上传表盘、读取设备和电量信息、同步时间及发送通知。作者称曾用 REA 分析表盘容器结构。",
  "entry_url": "https://awesomerea.org/resources/qcywatch-case/",
  "entry_url_zh": "https://awesomerea.org/zh/resources/qcywatch-case/",
  "evidence_class": 2,
  "evidence_status": "observed",
  "evidence_url": "https://github.com/DhrubaDC1/qcywatch/blob/a815407197235b17f7862488c02fd0d2874832d9/README.md",
  "group": "rea",
  "id": "qcywatch-case",
  "json_url": "https://awesomerea.org/resources/qcywatch-case/record.json",
  "kind": "case-study",
  "markdown_url": "https://awesomerea.org/resources/qcywatch-case/index.md",
  "markdown_url_zh": "https://awesomerea.org/zh/resources/qcywatch-case/index.md",
  "name": "qcywatch: a QCY Watch GT2 client built from its BLE protocol and face format",
  "name_zh": "qcywatch：基于 BLE 协议与表盘格式构建 QCY Watch GT2 客户端",
  "record_type": "resource",
  "relationship": "community-reported-mixed-workflow",
  "requirement_facets": [
    "prerequisites",
    "limits",
    "testing",
    "license"
  ],
  "requirements": [
    "Linux with recent BlueZ, Python 3.11 or newer, and a QCY Watch GT2.",
    "The watch accepts one Bluetooth connection at a time; phone Bluetooth must be off during use.",
    "Other QCY watches and analog faces are untested.",
    "MIT license."
  ],
  "requirements_zh": [
    "需要 Linux、较新的 BlueZ、Python 3.11 或更新版本，以及 QCY Watch GT2。",
    "手表同一时间只接受一个蓝牙连接；使用时需关闭手机蓝牙。",
    "其他 QCY 手表和指针表盘尚未测试。",
    "MIT 许可证。"
  ],
  "scope": "unknown",
  "targets": [
    "app",
    "protocol"
  ],
  "url": "https://github.com/DhrubaDC1/qcywatch",
  "verification": "source-reviewed",
  "verified_at": "2026-11-06"
}