{
  "added_at": "2026-11-08",
  "additional_evidence_urls": [
    "https://github.com/busyDuckman/cd_changer_robot/blob/755f033bc8f5276eb13fd8f45879ac9cf1e16469/runner/README.md",
    "https://github.com/busyDuckman/cd_changer_robot/blob/755f033bc8f5276eb13fd8f45879ac9cf1e16469/LICENSE.txt"
  ],
  "category": "reconstruction-cases",
  "class": "hardware",
  "description_en": "CD Changer Robot reconstructs control of a Nistec ALW-501 disc robot after tracing its motor-driver board. The repository supplies a pin map, circuit drawing, Arduino replacement firmware, Python control and imaging scripts, and mechanical parts for bulk CD transfer.",
  "description_zh": "CD Changer Robot 通过追踪 Nistec ALW-501 光盘机器人的电机驱动板重建控制系统。仓库提供引脚映射、电路图、Arduino 替代固件、Python 控制与光盘镜像脚本，以及批量转存所需的机械部件。",
  "entry_url": "https://awesomerea.org/resources/cd-changer-robot-case/",
  "entry_url_zh": "https://awesomerea.org/zh/resources/cd-changer-robot-case/",
  "evidence_class": 2,
  "evidence_status": "observed",
  "evidence_url": "https://github.com/busyDuckman/cd_changer_robot/blob/755f033bc8f5276eb13fd8f45879ac9cf1e16469/README.md",
  "group": "cases",
  "id": "cd-changer-robot-case",
  "json_url": "https://awesomerea.org/resources/cd-changer-robot-case/record.json",
  "kind": "case-study",
  "markdown_url": "https://awesomerea.org/resources/cd-changer-robot-case/index.md",
  "markdown_url_zh": "https://awesomerea.org/zh/resources/cd-changer-robot-case/index.md",
  "name": "CD Changer Robot: rebuilding a Nistec ALW-501 controller",
  "name_zh": "CD Changer Robot：重建 Nistec ALW-501 控制器",
  "record_type": "resource",
  "relationship": "independent-reconstruction",
  "requirement_facets": [
    "prerequisites",
    "prerequisites",
    "limits",
    "license"
  ],
  "requirements": [
    "A Nistec ALW-501, Arduino Mega-class replacement controller and associated wiring are required.",
    "The Python CD imaging path uses Windows-only imaging software.",
    "Pins 22 and 46 remain unidentified; the author reports about 80% pickup reliability.",
    "MIT license."
  ],
  "requirements_zh": [
    "需要 Nistec ALW-501、Arduino Mega 类替代控制器及相应接线。",
    "Python 光盘镜像流程使用仅适用于 Windows 的成像软件。",
    "22 与 46 号引脚仍未确认；作者报告取盘成功率约为 80%。",
    "MIT 许可证。"
  ],
  "scope": "unknown",
  "targets": [
    "firmware"
  ],
  "url": "https://github.com/busyDuckman/cd_changer_robot",
  "verification": "source-reviewed",
  "verified_at": "2026-11-06"
}