abse/museair-usb

validation/prototype-fabrication-roundup.json

{
  "reviewed_at_utc": "2026-10-09T19:26:46.196428+00:00",
  "scope": "Prototype bare PCB and assembly fabrication review; hardware remains untested",
  "bare_PCB_prototype_status": "ready",
  "PCBA_status": "Procurement confirmation required",
  "schematic_style_issues_local": 0,
  "schematic_style_issues_live_before_cleanup": 0,
  "schematic_sheet_boundary_warning_records": 0,
  "explanatory_notes_coverage": {
    "components_and_test_points": 71,
    "covered": 71,
    "missing": []
  },
  "schematic_cleanup": "Group C3/C12 inside POWER drawing area; PCB placements, copper and source nets unchanged",
  "electrical_and_routing_error_records": 0,
  "design_assertions_status": "pass",
  "gerber_shorts": 0,
  "native_DRC_violations": 0,
  "native_unconnected_items": 0,
  "switch_pinout_audit": "ASK/RESET/BOOT match manufacturer switch diagrams; internal common pairs kept on same nets",
  "critical_pin_map_assertions": "pass; ESP, buck, sensor, UART, microphone, display and BTL speaker",
  "native_manufacturing_audit": "pass",
  "all_PCBA_parts_top_side": true,
  "exact_imported_footprints_preserved": true,
  "inductor_catalog_specifications": {
    "rated_A": 2,
    "saturation_A": 3.2,
    "DCR_ohm": 0.078,
    "source": "https://jlcpcb.com/partdetail/C57269",
    "intended_rail_A": 0.6,
    "nominal_margin": "pass",
    "manufacturer_PDF_reviewed": false
  },
  "procurement": {
    "J6_C160403": "JLC catalog25 overseas, canPresaleNumber0; confirm sourcing/pre-purchase before PCBA",
    "J7_C177225": "Catalog49058 overseas, canPresaleNumber48325; pre-purchase, no reservation",
    "all_other_parts": "Existing checked BOM; inventory is unreserved and changes"
  },
  "prototype_bringup": [
    "Use stable USB-C5V supply with sufficient current; verify both3.3V rails before ESP/sensor load",
    "Program via J6 with3.3V UART logic and USB-C power",
    "Check boot/reset/ASK, I2C sensor/display controls, microphone ADC and I2S amplifier at low volume",
    "Measure power/ripple/temperature; verify airflow, seals, connector fit, speaker acoustics and RF in enclosure"
  ],
  "limitations": [
    "Extra bitmap PCB shorts scan unavailable in pinnedCLI; Gerber and native DRC scans pass",
    "Firmware, physical fit, airflow, RF and rail measurements remain untested",
    "Catalog inductor ratings confirmed; current manufacturer PDF unavailable"
  ],
  "fabrication_files": [
    "order/gerbers.zip",
    "order/bom-jlcpcb.csv",
    "order/cpl-jlcpcb.csv",
    "fabrication-review/museair-usb.kicad_pcb"
  ],
  "live_schematic_after_cleanup": "passed: actual website right-click Run Style Analysis",
  "sha256": {
    "index.circuit.tsx": "dfe3ed6912af30bec3e108a21b749a2cd8f41cb806d3e6de94df5034fee37439",
    "dist/index/circuit.json": "3d1304453421032c8c5feec0e512deb0ff135ed437a59191d91d772484d2f6cf",
    "fabrication-review/museair-usb.kicad_pcb": "20df460645de69303d6d5fec0ee26d2c38eabdbf89d13488fe2040c8f74be3bc",
    "order/gerbers.zip": "c089228c88330c3ad8ebc7c0c47aedbf605b8099291db1967a16b136946d5cb2",
    "order/bom-jlcpcb.csv": "3a7314da08273632e86a0d3aff58b6e26ec0b6133ce3e8bd70d6fe58a8700fbe",
    "order/cpl-jlcpcb.csv": "ccc173571fe5f9a3aa855400db953af670f0aec8342215bb2aecec2f92e0dce9"
  },
  "schematic_style_issues_live_after_cleanup": 0,
  "live_schematic_verified_at_utc": "2026-10-09T19:29:25.197207+00:00",
  "live_screenshot": "preview/prototype-schematic-live-zero.png"
}