PB-03M

{
  "slug": "pb-03m",
  "version": "0.1.0",
  "type": "component",
  "description": "Ai-Thinker Bluetooth Modules, DIP-18. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "iot-communication modules",
    "pb-03m",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "pb-03m.kicad_sym",
    "pb-03m.kicad_mod",
    "pb-03m.glb",
    "pb-03m.step",
    "pb-03m.lbr",
    "docs/hero.png",
    "docs/pb-03m-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "pb-03m-hero.glb",
    "pb-03m-hero.overlay.json",
    "pb-03m-etched.glb"
  ],
  "component": {
    "mpn": "PB-03M",
    "manufacturer": "Ai-Thinker",
    "package": "DIP-18",
    "pin_count": 18,
    "category": "IoT/Communication Modules",
    "subcategory": "Bluetooth Modules",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/450431fb47b07ed304916ab8d026459f.pdf",
    "parts": {
      "symbol": "pb-03m.kicad_sym",
      "footprint": "pb-03m.kicad_mod",
      "model_3d": "pb-03m-hero.glb",
      "model_3d_plain": "pb-03m-etched.glb",
      "model_3d_step": "pb-03m-etched.step",
      "model_3d_step_plain": "pb-03m.step",
      "lbr": "pb-03m.lbr"
    },
    "distributor_links": {
      "lcsc": "C2980078",
      "digikey": "4570-PB-03MTR-ND"
    },
    "distributor_check": {
      "checked_at": "2026-10-24T00:08:14Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "4570-PB-03MTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "P31",
        "type": "bidirectional",
        "description": "General-purpose I/O GPIO31."
      },
      {
        "number": "2",
        "name": "P16",
        "type": "bidirectional",
        "description": "GPIO16, also the 32.768KHz crystal input."
      },
      {
        "number": "3",
        "name": "P2",
        "type": "bidirectional",
        "description": "GPIO2, also the SWD debug data in/out."
      },
      {
        "number": "4",
        "name": "P3",
        "type": "bidirectional",
        "description": "GPIO3, also the SWD debug clock."
      },
      {
        "number": "5",
        "name": "P32",
        "type": "bidirectional",
        "description": "General-purpose I/O GPIO32."
      },
      {
        "number": "6",
        "name": "P10",
        "type": "bidirectional",
        "description": "RXD (UART receive) or GPIO10."
      },
      {
        "number": "7",
        "name": "P9",
        "type": "bidirectional",
        "description": "TXD (UART transmit) or GPIO9."
      },
      {
        "number": "8",
        "name": "VDD",
        "type": "power_in",
        "description": "Power supply, 2.7V to 3.6V (3.3V typical), with supply able to deliver more than 200mA."
      },
      {
        "number": "9",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "10",
        "name": "P15",
        "type": "bidirectional",
        "description": "GPIO15, also ADC input 4 or micbias output."
      },
      {
        "number": "11",
        "name": "P10",
        "type": "bidirectional",
        "description": "GPIO10 or RXD; listed as P10 same as pin 6 in the datasheet table."
      },
      {
        "number": "12",
        "name": "P14",
        "type": "bidirectional",
        "description": "GPIO14, also ADC input 3."
      },
      {
        "number": "13",
        "name": "P34",
        "type": "bidirectional",
        "description": "General-purpose I/O GPIO34."
      },
      {
        "number": "14",
        "name": "P0",
        "type": "bidirectional",
        "description": "General-purpose I/O GPIO0."
      },
      {
        "number": "15",
        "name": "P18",
        "type": "bidirectional",
        "description": "GPIO18, also ADC input 7 or PGA negative input."
      },
      {
        "number": "16",
        "name": "P7",
        "type": "bidirectional",
        "description": "General-purpose I/O GPIO7."
      },
      {
        "number": "17",
        "name": "P11",
        "type": "bidirectional",
        "description": "GPIO11, also ADC input 0."
      },
      {
        "number": "18",
        "name": "P17",
        "type": "bidirectional",
        "description": "GPIO17, also the 32.768KHz crystal output."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pins 6 and 11 are both listed as P10 (RXD/GPIO10) in the pin table; one is likely a datasheet typo. ; The datasheet text is mostly missing (non-ASCII text lost). Pin types are inferred from the function"
        ],
        "pages_sent": 22,
        "cost_usd": 0.0572,
        "at": "2026-10-24T00:07:41"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/450431fb47b07ed304916ab8d026459f.pdf",
        "pages": 22,
        "sha256": "6f8f0ca8df4cf444",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 18,
        "described": 18,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "pb-03m.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          7.874,
          22.86,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "c9e1ad672f0603e5818e9d0329669eb09ec9fa91bae3fdad8cdfa245e05c3b5f",
        "checked": "2026-10-24",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "pb-03m-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          7.874,
          22.86,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3024374fbfc4475cc058348062409cc6e3095a725ec3c8ec7255e376e054d153",
        "checked": "2026-10-24",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}