{
  "added_at": "2026-11-08",
  "category": "reconstruction-cases",
  "class": "hardware",
  "description_en": "The Tchibo 287717 investigation decodes its weather sensor's 433.85 MHz OOK transmissions. Captures and display comparisons support a pulse-distance message layout with repeated frames and mapped temperature and humidity fields.",
  "description_zh": "该调查解析 Tchibo 287717 气象传感器的 433.85 MHz OOK 发射信号。录制信号与显示值的对照用于推断脉冲间隔编码、重复帧，以及温度和湿度字段。",
  "entry_url": "https://awesomerea.org/resources/tchibo-287717-weather-signal-case/",
  "entry_url_zh": "https://awesomerea.org/zh/resources/tchibo-287717-weather-signal-case/",
  "evidence_class": 2,
  "evidence_status": "observed",
  "evidence_url": "https://github.com/fphammerle/tchibo-287717-weather-station-signal/blob/5809d200c68476ffac40f505d258e7c2cce24830/README.md",
  "group": "cases",
  "id": "tchibo-287717-weather-signal-case",
  "json_url": "https://awesomerea.org/resources/tchibo-287717-weather-signal-case/record.json",
  "kind": "case-study",
  "markdown_url": "https://awesomerea.org/resources/tchibo-287717-weather-signal-case/index.md",
  "markdown_url_zh": "https://awesomerea.org/zh/resources/tchibo-287717-weather-signal-case/index.md",
  "name": "Tchibo 287717: decoding a wireless weather-sensor signal",
  "name_zh": "Tchibo 287717：解析无线气象传感器信号",
  "record_type": "resource",
  "relationship": "independent-reconstruction",
  "requirement_facets": [
    "prerequisites",
    "limits",
    "license"
  ],
  "requirements": [
    "A Tchibo 287717 sensor and suitable radio capture equipment to collect new transmissions.",
    "Some bits and the presumed checksum remain unidentified.",
    "No licence file in the repository."
  ],
  "requirements_zh": [
    "采集新信号需要 Tchibo 287717 传感器及相应无线电接收设备。",
    "部分比特及推测的校验和仍未识别。",
    "仓库中没有许可证文件。"
  ],
  "scope": "unknown",
  "targets": [
    "protocol"
  ],
  "url": "https://github.com/fphammerle/tchibo-287717-weather-station-signal",
  "verification": "source-reviewed",
  "verified_at": "2026-11-06"
}