{
  "added_at": "2026-11-08",
  "category": "reconstruction-cases",
  "class": "hardware",
  "description_en": "The Fisher & Paykel RF505BRNUX1 bridge decodes two 9600-baud serial links on the refrigerator's main board and exposes door, setting, compressor, defrost, and temperature states to Home Assistant. Its documentation specifies frame layout, CRC-16/MODBUS, addresses, and byte maps; an ESPHome configuration reads the links without transmitting.",
  "description_zh": "Fisher & Paykel RF505BRNUX1 桥接项目解析冰箱主板上的两条 9600 波特串行链路，将门状态、设定值、压缩机、除霜和温度信息送入 Home Assistant。文档说明帧结构、CRC-16/MODBUS、地址和字节映射；ESPHome 配置只接收数据，不向冰箱发送信号。",
  "entry_url": "https://awesomerea.org/resources/fisher-paykel-fridge-bus-case/",
  "entry_url_zh": "https://awesomerea.org/zh/resources/fisher-paykel-fridge-bus-case/",
  "evidence_class": 2,
  "evidence_status": "observed",
  "evidence_url": "https://github.com/nickthelomas/esphome-fisher-paykel-fridge/blob/0bd8abc2b6b4ff6dcead77b0cfeea65b5327e6f8/README.md",
  "group": "cases",
  "id": "fisher-paykel-fridge-bus-case",
  "json_url": "https://awesomerea.org/resources/fisher-paykel-fridge-bus-case/record.json",
  "kind": "case-study",
  "markdown_url": "https://awesomerea.org/resources/fisher-paykel-fridge-bus-case/index.md",
  "markdown_url_zh": "https://awesomerea.org/zh/resources/fisher-paykel-fridge-bus-case/index.md",
  "name": "Fisher & Paykel RF505BRNUX1: decoding refrigerator board traffic",
  "name_zh": "Fisher & Paykel RF505BRNUX1：解析冰箱控制板通信",
  "record_type": "resource",
  "relationship": "independent-reconstruction",
  "requirement_facets": [
    "prerequisites",
    "prerequisites",
    "limits",
    "license"
  ],
  "requirements": [
    "A Fisher & Paykel RF505BRNUX1 refrigerator and Seeed XIAO ESP32-C3 are needed for the documented setup.",
    "The ESPHome configuration targets version 2026.10 and requires Wi-Fi secrets and an isolated 5 V supply.",
    "Other F&P or Haier boards may differ; the author advises checking their byte map with a logic analyser.",
    "MIT."
  ],
  "requirements_zh": [
    "文档中的配置需要 Fisher & Paykel RF505BRNUX1 冰箱和 Seeed XIAO ESP32-C3。",
    "ESPHome 配置针对 2026.10 版，需要 Wi-Fi 密钥和隔离的 5 V 电源。",
    "其他 F&P 或 Haier 主板可能不同；作者建议先用逻辑分析仪核对字节映射。",
    "许可证为 MIT。"
  ],
  "scope": "unknown",
  "targets": [
    "protocol"
  ],
  "url": "https://github.com/nickthelomas/esphome-fisher-paykel-fridge",
  "verification": "source-reviewed",
  "verified_at": "2026-11-06"
}