{"schema_version": "vibe-public-case-engineering/v1", "case_id": "creative-037", "requirements": [{"id": "requirement-001", "title": "OBD/ELM327 协议只读与快照", "kind": "functional", "detail": "", "status": "design_proposed", "status_label": "方案需求，待验证", "source_ids": []}, {"id": "requirement-002", "title": "Demo 实现路径", "kind": "implementation_direction", "detail": "ESP32 通过 CAN/ELM327 只读采集；e-ink 每 5 秒刷新；异常时记录快照，不发送控制帧。", "status": "design_proposed", "status_label": "方案需求，待验证", "source_ids": []}, {"id": "requirement-003", "title": "软件实现方向", "kind": "implementation_direction", "detail": "CAN/OBD-II、Serial Studio、SQLite", "status": "design_proposed", "status_label": "方案需求，待验证", "source_ids": []}], "components": [{"id": "board.adafruit-4090", "name": "USB Type C Breakout (4090)", "manufacturer": "Adafruit", "mpn": "USB Type C Breakout (4090)", "kind": "demo_board", "revision": "1", "relation": "selected_board_in_historical_audit", "status": "candidate", "status_label": "历史案例选板 · 待验证", "capabilities": [], "source_ids": ["source-efd12148d09630c4"], "missing_information": ["只提供接口和 CC 配置，不包含完整保险丝、ESD、过压或限流保护。", "历史案例选板不代表当前连接、固件、整机功能或实物测试通过。"]}, {"id": "board.adafruit-4313", "name": "ST7789 1.3in TFT", "manufacturer": "Adafruit", "mpn": "ST7789 1.3in TFT", "kind": "demo_board", "revision": "1", "relation": "selected_board_in_historical_audit", "status": "candidate", "status_label": "历史案例选板 · 待验证", "capabilities": ["sd_card"], "source_ids": ["source-3aa053da8101ee4d", "source-ba0b5de3f79f050a", "source-8779435822f91199", "source-f66d2697a70babe8", "source-2596228fe54c5592", "source-634752f818aa216f"], "missing_information": ["此模块不是触摸屏；TFT 和 SD 各需片选。", "历史案例选板不代表当前连接、固件、整机功能或实物测试通过。"]}, {"id": "board.adafruit-4920", "name": "TPS62827 3.3V (4920)", "manufacturer": "Adafruit", "mpn": "TPS62827 3.3V (4920)", "kind": "demo_board", "revision": "1", "relation": "selected_board_in_historical_audit", "status": "candidate", "status_label": "历史案例选板 · 待验证", "capabilities": ["buck"], "source_ids": ["source-a4bade564ae95fe0", "source-345d22e512bd24fc"], "missing_information": ["输入范围、峰值负载、散热和去耦需按整机电源预算验证。", "历史案例选板不代表当前连接、固件、整机功能或实物测试通过。"]}, {"id": "board.adafruit-5708", "name": "TJA1051T/3 CAN Pal (5708)", "manufacturer": "Adafruit", "mpn": "TJA1051T/3 CAN Pal (5708)", "kind": "demo_board", "revision": "1", "relation": "selected_board_in_historical_audit", "status": "candidate", "status_label": "历史案例选板 · 待验证", "capabilities": ["can"], "source_ids": ["source-ed20cb84df8b780e", "source-39685f36e7e219bb", "source-8efb77acde6435aa", "source-a35da96953e19a7f", "source-9f42c49b7f50b561", "source-1226bdecce363354"], "missing_information": ["不含 CAN 控制器；主控必须提供 CAN/TWAI，确认终端电阻与总线保护。", "历史案例选板不代表当前连接、固件、整机功能或实物测试通过。"]}, {"id": "board.waveshare-epaper-75-v2", "name": "7.5inch e-Paper HAT V2", "manufacturer": "Waveshare", "mpn": "7.5inch e-Paper HAT V2", "kind": "demo_board", "revision": "1", "relation": "selected_board_in_historical_audit", "status": "candidate", "status_label": "历史案例选板 · 待验证", "capabilities": ["e_ink"], "source_ids": ["source-0a2b91bf1d258f56", "source-45defe5f62b86373", "source-765045239c52bd89", "source-d134de04070c142b", "source-5afe01e8f9441e00"], "missing_information": ["锁定 V2 800×480 和出货修订：2023-09 前后例程不同；含驱动板，不是裸屏。", "历史案例选板不代表当前连接、固件、整机功能或实物测试通过。"]}, {"id": "espressif-esp32-c3-mini-1", "name": "ESP32-C3-MINI-1", "manufacturer": "Espressif", "mpn": null, "kind": "module", "relation": "reference_component", "status": "candidate", "status_label": "型号或订货后缀待确认", "revision": "2026-09-22.1", "capabilities": [], "source_ids": ["source-3371b9afa39278fb", "source-c424188cbe3d3e0c"], "missing_information": ["符号或系列名称不能当作已冻结的采购料号。"]}, {"id": "vendor-ic-0199b5bd3a7cae", "name": "AP2112K-3.3", "manufacturer": "见原厂器件资料", "mpn": null, "kind": "chip", "relation": "reference_component", "status": "candidate", "status_label": "型号或订货后缀待确认", "revision": "2026-09-22.1", "capabilities": [], "source_ids": ["source-609e86856dcc230f"], "missing_information": ["符号或系列名称不能当作已冻结的采购料号。"]}, {"id": "vendor-ic-73b13467542940", "name": "APX803-SAG", "manufacturer": "见原厂器件资料", "mpn": null, "kind": "chip", "relation": "reference_component", "status": "candidate", "status_label": "型号或订货后缀待确认", "revision": "2026-09-22.1", "capabilities": [], "source_ids": ["source-609e86856dcc230f"], "missing_information": ["符号或系列名称不能当作已冻结的采购料号。"]}, {"id": "vendor-ic-7a623cab84f6de", "name": "74HC4050", "manufacturer": "见原厂器件资料", "mpn": null, "kind": "chip", "relation": "reference_component", "status": "candidate", "status_label": "型号或订货后缀待确认", "revision": "2026-09-22.1", "capabilities": [], "source_ids": ["source-609e86856dcc230f"], "missing_information": ["符号或系列名称不能当作已冻结的采购料号。"]}, {"id": "vendor-ic-fb49f93d020960", "name": "TPS6282X", "manufacturer": "见原厂器件资料", "mpn": null, "kind": "chip", "relation": "reference_component", "status": "candidate", "status_label": "型号或订货后缀待确认", "revision": "2026-09-22.1", "capabilities": [], "source_ids": ["source-e1a78f4fe7b3774e"], "missing_information": ["符号或系列名称不能当作已冻结的采购料号。"]}], "circuits": [{"id": "source:adafruit-4090/0", "title": "USB Type C Breakout (4090) · 原厂器件电路", "kind": "reference_circuit", "relation": "source_schematic", "status": "source_schematic", "status_label": "板卡原厂参考电路", "revision": null, "component_ids": ["board.adafruit-4090"], "source_ids": ["source-cf5a7f9f55fcac06"], "missing_information": ["原厂或资料重建电路只覆盖该板；整机电源、接口条件、板卡修订和样机结果仍需核对。"], "evidence_scope": "historical_case_audit"}, {"id": "source:adafruit-4920/0", "title": "TPS62827 3.3V (4920) · 原厂器件电路", "kind": "reference_circuit", "relation": "source_schematic", "status": "source_schematic", "status_label": "板卡原厂参考电路", "revision": null, "component_ids": ["board.adafruit-4920"], "source_ids": ["source-e1a78f4fe7b3774e"], "missing_information": ["原厂或资料重建电路只覆盖该板；整机电源、接口条件、板卡修订和样机结果仍需核对。"], "evidence_scope": "historical_case_audit"}, {"id": "source:adafruit-5708/0", "title": "TJA1051T/3 CAN Pal (5708) · 原厂器件电路", "kind": "reference_circuit", "relation": "source_schematic", "status": "source_schematic", "status_label": "板卡原厂参考电路", "revision": null, "component_ids": ["board.adafruit-5708"], "source_ids": ["source-649f6bcacdd860e2"], "missing_information": ["原厂或资料重建电路只覆盖该板；整机电源、接口条件、板卡修订和样机结果仍需核对。"], "evidence_scope": "historical_case_audit"}, {"id": "source:waveshare-epaper-75-v2/0", "title": "7.5inch e-Paper HAT V2 · 原厂资料重建电路", "kind": "reference_circuit", "relation": "source_schematic", "status": "source_schematic", "status_label": "板卡原厂参考电路", "revision": null, "component_ids": ["board.waveshare-epaper-75-v2"], "source_ids": ["source-d134de04070c142b"], "missing_information": ["原厂或资料重建电路只覆盖该板；整机电源、接口条件、板卡修订和样机结果仍需核对。"], "evidence_scope": "historical_case_audit"}, {"id": "source:adafruit-4313/0", "title": "ST7789 1.3in TFT · 原厂器件电路", "kind": "reference_circuit", "relation": "source_schematic", "status": "source_schematic", "status_label": "板卡原厂参考电路", "revision": null, "component_ids": ["board.adafruit-4313"], "source_ids": ["source-612a58932e49cd10", "source-609e86856dcc230f"], "missing_information": ["原厂或资料重建电路只覆盖该板；整机电源、接口条件、板卡修订和样机结果仍需核对。"], "evidence_scope": "historical_case_audit"}, {"id": "tps62827-buck-reference", "title": "TPS62827 降压电源参考电路", "kind": "reference_circuit", "relation": "reference_only", "status": "reference_only", "status_label": "参考电路，未采用", "revision": "5a85c104aa77fa80eaeb57e148f6b713ce49963c9c352def21b34728eaf88fa8", "component_ids": ["vendor-ic-fb49f93d020960"], "source_ids": ["source-e1a78f4fe7b3774e"], "missing_information": ["源符号名为TPS6282X，准确订货型号仍需BOM锁定", "归档3.3V板参数不是任意输入输出组合通用值", "热、瞬态、稳定性和电感料号替代需独立验证"], "evidence_scope": "historical_case_audit"}, {"id": "st7789-display-reference", "title": "ST7789 240×240 SPI 显示板参考电路", "kind": "reference_circuit", "relation": "reference_only", "status": "reference_only", "status_label": "参考电路，未采用", "revision": "45985fca5d05e4d3729917f840e4a922fa060e1ea2cd7a7a67614cf967767a13", "component_ids": 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"demo-adafruit-4313", "title": "ST7789 彩屏显示", "kind": "supplier_demo", "relation": "selected_board_documentation", "status": "reference_not_adopted", "status_label": "候选板卡的供应商示例", "revision": "f41d8801d630b5ec8c6c1fa95a037112b7d7fba725ddf32071f08d1cd839ab95", "component_ids": ["board.adafruit-4313"], "source_ids": ["source-ba0b5de3f79f050a"], "missing_information": []}, {"id": "demo-adafruit-5708", "title": "CAN 收发器双节点", "kind": "supplier_demo", "relation": "selected_board_documentation", "status": "reference_not_adopted", "status_label": "候选板卡的供应商示例", "revision": "f101073b49dbfd140fbe768dda566f8ec67ac420c458e7424e5f50448a5c653f", "component_ids": ["board.adafruit-5708"], "source_ids": ["source-39685f36e7e219bb"], "missing_information": []}, {"id": "demo-waveshare-epaper-75-v2", "title": "7.5 寸 V2 电子纸显示", "kind": "supplier_demo", "relation": "selected_board_documentation", "status": "reference_not_adopted", "status_label": "候选板卡的供应商示例", "revision": "115928611537ca67bad83ce512045f649d77f29882f539d3f298f293840f88c5", "component_ids": ["board.waveshare-epaper-75-v2"], "source_ids": ["source-45defe5f62b86373"], "missing_information": []}], "function_packs": [{"id": "fp-st7789-tft", "title": "ST7789 240×240 SPI 显示", "kind": "function_package", "relation": "shared_source_reference", "status": "reference_not_adopted", "status_label": "同源电路参考 · 尚未采用", "revision": "a6c45cdec83dc09f37505696071a9f215a5d7f9cf3f33746b703d878ffdd7cd3", "component_ids": ["board.adafruit-4313"], "source_ids": ["source-609e86856dcc230f"], "missing_information": ["仅确认引用相同原厂原理图；功能包修改、外围参数和案例完整网表尚未逐项绑定。", "尚无本案例采用该功能包的版本锁定及实际工况记录；不使用示例参数补齐。", "供电、时序、负载和板卡修订仍需按案例核对；此关联不证明仿真或实物验证通过。"], "library_url": "/create/hardware-library?function-pack=fp-st7789-tft#function-packs"}, {"id": "fp-tps62827-buck-3v3", "title": "TPS62827 3.3V 降压电源参考", "kind": "function_package", "relation": "shared_source_reference", "status": "reference_not_adopted", "status_label": "同源电路参考 · 尚未采用", 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