{
  "added_at": "2026-11-08",
  "category": "reconstruction-cases",
  "class": "hardware",
  "description_en": "m3508i reconstructs the M3508I motor’s half-duplex RS485 command and reply format. The repository documents field offsets, motor selection, speed encoding and CRC16, and supplies a C frame builder and parser, an STM32 example and an adapter-board design.",
  "description_zh": "m3508i 还原 M3508I 电机的半双工 RS485 指令与回包格式，记录字段偏移、电机选择、速度编码及 CRC16 规则，并提供 C 语言组帧和解析代码、STM32 示例及转接板设计。",
  "entry_url": "https://awesomerea.org/resources/m3508i-rs485-case/",
  "entry_url_zh": "https://awesomerea.org/zh/resources/m3508i-rs485-case/",
  "evidence_class": 2,
  "evidence_status": "observed",
  "evidence_url": "https://github.com/ChenYehuiCN/m3508i/blob/654e068573094f893945cb492c87f5f5d454d854/README.md",
  "group": "cases",
  "id": "m3508i-rs485-case",
  "json_url": "https://awesomerea.org/resources/m3508i-rs485-case/record.json",
  "kind": "case-study",
  "markdown_url": "https://awesomerea.org/resources/m3508i-rs485-case/index.md",
  "markdown_url_zh": "https://awesomerea.org/zh/resources/m3508i-rs485-case/index.md",
  "name": "M3508I: reconstructing the motor RS485 protocol",
  "name_zh": "M3508I：还原电机 RS485 协议",
  "record_type": "resource",
  "relationship": "independent-reconstruction",
  "requirement_facets": [
    "prerequisites",
    "limits",
    "license"
  ],
  "requirements": [
    "An M3508I motor and RS485 connection are needed for hardware use; the example targets an STM32F407 board.",
    "The current/torque and temperature fields remain raw values without conversion formulas.",
    "MIT license."
  ],
  "requirements_zh": [
    "连接实际硬件需要 M3508I 电机和 RS485 接口；示例针对 STM32F407 开发板。",
    "电流或扭矩及温度字段保留为原始值，未给出换算公式。",
    "采用 MIT 许可证。"
  ],
  "scope": "unknown",
  "targets": [
    "protocol"
  ],
  "url": "https://github.com/ChenYehuiCN/m3508i",
  "verification": "source-reviewed",
  "verified_at": "2026-11-06"
}
