{
  "added_at": "2026-11-08",
  "additional_evidence_urls": [
    "https://github.com/LostCacher/osmofresh-quellapro-reverse-engineering/blob/6a51b2b78510f373babc239a6f95fc8e19f90ea3/README.md",
    "https://github.com/LostCacher/osmofresh-quellapro-reverse-engineering/blob/6a51b2b78510f373babc239a6f95fc8e19f90ea3/Documentation/Componens.md"
  ],
  "category": "reconstruction-cases",
  "class": "hardware",
  "description_en": "An OsmoFresh Quella Pro investigation records reconstructed PCB schematics, identified components and a UART communication model for the water dispenser. The protocol notes distinguish main-to-display responses from display-to-main AA frames and give a SUM16 calculation, while leaving several payload meanings unresolved.",
  "description_zh": "该项目调查 OsmoFresh Quella Pro 饮水机，发布重绘的 PCB 电路图、元件清单和 UART 通信模型。协议笔记区分主板到显示板的响应与反向 AA 帧，并给出 SUM16 算法；部分载荷含义仍未确定。",
  "entry_url": "https://awesomerea.org/resources/osmofresh-quella-pro-hardware-case/",
  "entry_url_zh": "https://awesomerea.org/zh/resources/osmofresh-quella-pro-hardware-case/",
  "evidence_class": 2,
  "evidence_status": "observed",
  "evidence_url": "https://github.com/LostCacher/osmofresh-quellapro-reverse-engineering/blob/6a51b2b78510f373babc239a6f95fc8e19f90ea3/Documentation/UART_Protocol_Model.md",
  "group": "cases",
  "id": "osmofresh-quella-pro-hardware-case",
  "json_url": "https://awesomerea.org/resources/osmofresh-quella-pro-hardware-case/record.json",
  "kind": "case-study",
  "markdown_url": "https://awesomerea.org/resources/osmofresh-quella-pro-hardware-case/index.md",
  "markdown_url_zh": "https://awesomerea.org/zh/resources/osmofresh-quella-pro-hardware-case/index.md",
  "name": "OsmoFresh Quella Pro: hardware and UART protocol investigation",
  "name_zh": "OsmoFresh Quella Pro：硬件与 UART 协议调查",
  "record_type": "resource",
  "relationship": "independent-reconstruction",
  "requirement_facets": [
    "limits",
    "limits",
    "license"
  ],
  "requirements": [
    "The published schematics may contain errors or incomplete sections.",
    "UART payload state discrimination and several field meanings remain unknown.",
    "MIT license."
  ],
  "requirements_zh": [
    "已发布的电路图可能存在错误或未完成部分。",
    "UART 载荷状态的区分依据及若干字段含义仍未确定。",
    "MIT 许可证。"
  ],
  "scope": "unknown",
  "targets": [
    "protocol"
  ],
  "url": "https://github.com/LostCacher/osmofresh-quellapro-reverse-engineering",
  "verification": "source-reviewed",
  "verified_at": "2026-11-06"
}