{
  "added_at": "2026-11-09",
  "additional_evidence_urls": [
    "https://github.com/baruch/b3603/blob/1244057e9312ff9719ddc241c9c04df9ad7f62d6/stm8/PROTOCOL.md"
  ],
  "category": "reconstruction-cases",
  "class": "hardware",
  "description_en": "B3603 investigates the buck converter's control board to support replacement STM8 firmware. The project maps MCU pins, display drivers and voltage and current control signals, includes board schematics, and provides firmware that the author reports is operational and serially controllable.",
  "description_zh": "B3603 研究降压模块的控制板，以编写 STM8 替代固件。项目记录 MCU 引脚、显示驱动和电压电流控制信号，附有电路图；作者称固件已能运行并接受串口控制。",
  "entry_url": "https://awesomerea.org/resources/b3603-case/",
  "entry_url_zh": "https://awesomerea.org/zh/resources/b3603-case/",
  "evidence_url": "https://github.com/baruch/b3603/blob/1244057e9312ff9719ddc241c9c04df9ad7f62d6/README.md",
  "group": "cases",
  "id": "b3603-case",
  "json_url": "https://awesomerea.org/resources/b3603-case/record.json",
  "kind": "case-study",
  "markdown_url": "https://awesomerea.org/resources/b3603-case/index.md",
  "markdown_url_zh": "https://awesomerea.org/zh/resources/b3603-case/index.md",
  "name": "B3603: reconstructing control-board behavior for replacement firmware",
  "name_zh": "B3603：研究控制板行为并编写替代固件",
  "record_type": "resource",
  "relationship": "independent-reconstruction",
  "requirement_facets": [
    "prerequisites",
    "testing",
    "license"
  ],
  "requirements": [
    "A B3603 unit, CP2102 USB-to-TTL adapter and STLink V2 programmer are listed as required components.",
    "The author reports the replacement firmware is functioning and serially controllable.",
    "GPL-3.0 license."
  ],
  "requirements_zh": [
    "所列硬件包括 B3603 模块、CP2102 USB 转 TTL 适配器和 STLink V2 编程器。",
    "作者称替代固件已可运行并通过串口控制。",
    "采用 GPL-3.0 许可证。"
  ],
  "targets": [
    "firmware"
  ],
  "url": "https://github.com/baruch/b3603",
  "verification": "source-reviewed",
  "verified_at": "2026-11-08"
}