{
  "added_at": "2026-11-09",
  "additional_evidence_urls": [
    "https://github.com/tothpetiszilard/a3_8p_redFIS/blob/5349d0d141a9248e0f800fdc246c412948b8ff92/connection.md"
  ],
  "category": "reconstruction-cases",
  "class": "hardware",
  "description_en": "RedFIS investigates the Audi A3 8P dashboard Driver Information System protocol and implements an alternative display controller on ESP32. Its source covers CAN communication, VWTP handling, display decoding and wiring for supported instrument clusters.",
  "description_zh": "RedFIS 研究 Audi A3 8P 仪表盘 Driver Information System 的通信协议，并以 ESP32 实现替代显示控制器。源码涵盖 CAN 通信、VWTP 处理、显示数据解码及仪表接线。",
  "entry_url": "https://awesomerea.org/resources/a3-8p-redfis-case/",
  "entry_url_zh": "https://awesomerea.org/zh/resources/a3-8p-redfis-case/",
  "evidence_class": 2,
  "evidence_status": "observed",
  "evidence_url": "https://github.com/tothpetiszilard/a3_8p_redFIS/blob/5349d0d141a9248e0f800fdc246c412948b8ff92/README.md",
  "group": "cases",
  "id": "a3-8p-redfis-case",
  "json_url": "https://awesomerea.org/resources/a3-8p-redfis-case/record.json",
  "kind": "case-study",
  "markdown_url": "https://awesomerea.org/resources/a3-8p-redfis-case/index.md",
  "markdown_url_zh": "https://awesomerea.org/zh/resources/a3-8p-redfis-case/index.md",
  "name": "RedFIS: reconstructing the Audi A3 8P display protocol",
  "name_zh": "RedFIS：重建 Audi A3 8P 仪表显示协议",
  "record_type": "resource",
  "relationship": "independent-reconstruction",
  "requirement_facets": [
    "prerequisites",
    "scope",
    "limits",
    "license"
  ],
  "requirements": [
    "Requires an Audi A3 8P instrument cluster and ESP32 hardware connected to its CAN lines.",
    "For a cluster numbered 8P0 920 930 with RNS-E installed, an alternative VWTP CAN ID can be selected; a cluster numbered 8P0 920 931 requires the Navigation VWTP CAN ID.",
    "The author describes some entry and exit display scenarios as buggy.",
    "AGPL-3.0 License."
  ],
  "requirements_zh": [
    "需要 Audi A3 8P 仪表总成及连接其 CAN 线路的 ESP32 硬件。",
    "安装 RNS-E 且仪表零件号为 8P0 920 930 时，可选择替代 VWTP CAN ID；零件号为 8P0 920 931 的仪表必须使用导航 VWTP CAN ID。",
    "作者称部分显示进入和退出场景仍有问题。",
    "采用 AGPL-3.0 许可证。"
  ],
  "scope": "unknown",
  "targets": [
    "protocol"
  ],
  "url": "https://github.com/tothpetiszilard/a3_8p_redFIS",
  "verification": "source-reviewed",
  "verified_at": "2026-11-07"
}