{
  "added_at": "2026-11-08",
  "additional_evidence_urls": [
    "https://github.com/brunoamui/jacuzzi-jb1hl-protocol/blob/2fbe217cf74388300ef1c1e5448aa9373bc60fff/docs/protocol.md"
  ],
  "category": "reconstruction-cases",
  "class": "hardware",
  "description_en": "Jacuzzi JB1HL Panel-Link Protocol documents the RS-485 messages between a Jacuzzi J185 hot tub's topside panel and I/O board. It identifies 38400 8N1 framing, a 34-byte poll-response burst, command bits and a checksum, then supplies an offline decoder and an ESPHome monitor for water temperature and pump or heater state.",
  "description_zh": "Jacuzzi JB1HL Panel-Link Protocol 记录 Jacuzzi J185 浴缸顶部面板与 I/O 板之间的 RS-485 消息。项目解析 38400 8N1 通信、34 字节轮询与响应、命令位和校验和，并提供离线解码器及显示水温、泵和加热器状态的 ESPHome 监测配置。",
  "entry_url": "https://awesomerea.org/resources/jacuzzi-jb1hl-protocol-case/",
  "entry_url_zh": "https://awesomerea.org/zh/resources/jacuzzi-jb1hl-protocol-case/",
  "evidence_class": 2,
  "evidence_status": "observed",
  "evidence_url": "https://github.com/brunoamui/jacuzzi-jb1hl-protocol/blob/2fbe217cf74388300ef1c1e5448aa9373bc60fff/README.md",
  "group": "cases",
  "id": "jacuzzi-jb1hl-protocol-case",
  "json_url": "https://awesomerea.org/resources/jacuzzi-jb1hl-protocol-case/record.json",
  "kind": "case-study",
  "markdown_url": "https://awesomerea.org/resources/jacuzzi-jb1hl-protocol-case/index.md",
  "markdown_url_zh": "https://awesomerea.org/zh/resources/jacuzzi-jb1hl-protocol-case/index.md",
  "name": "Jacuzzi JB1HL: decoding the J185 panel-link bus",
  "name_zh": "Jacuzzi JB1HL：解析 J185 面板通信总线",
  "record_type": "resource",
  "relationship": "independent-reconstruction",
  "requirement_facets": [
    "prerequisites",
    "limits",
    "license"
  ],
  "requirements": [
    "Monitoring requires an ESP32 with ESPHome, a TTL-to-RS-485 transceiver and access to the panel-controller A/B pair.",
    "The implementation monitors the bus read-only; transmit control is not implemented.",
    "MIT License."
  ],
  "requirements_zh": [
    "监测需要运行 ESPHome 的 ESP32、TTL 转 RS-485 模块，以及面板与控制板的 A/B 总线连接。",
    "现有实现只读监测总线，尚未实现发送控制。",
    "MIT 许可证。"
  ],
  "scope": "unknown",
  "targets": [
    "protocol"
  ],
  "url": "https://github.com/brunoamui/jacuzzi-jb1hl-protocol",
  "verification": "source-reviewed",
  "verified_at": "2026-11-06"
}