{
 "digest": null,
 "links": {
  "fits": [],
  "members": [],
  "cases": [],
  "assemblies": []
 },
 "prints": [],
 "part": {
  "id": "ada-3842-3xaa-holder",
  "name": "3x AA Battery Holder w/ 5.5/2.1mm Plug",
  "kind": "",
  "method": "",
  "vendor": "adafruit",
  "sku": "3842",
  "model": "",
  "buy": [
   "https://www.adafruit.com/product/3842"
  ],
  "url": "https://www.adafruit.com/product/3842",
  "category": "power",
  "owned_qty": 0
 },
 "facts": {
  "id": "ada-3842-3xaa-holder",
  "name": "3x AA Battery Holder w/ 5.5/2.1mm Plug",
  "vendor": "adafruit",
  "sku": "3842",
  "url": "https://www.adafruit.com/product/3842",
  "qty_owned": 1,
  "category": "power",
  "frame": "origin plan bottom-left (rotated Y->Z + re-based vendor STEP), Z=0 bottom",
  "body": {
   "size_mm": [
    57.4,
    49.02,
    16.51
   ],
   "outline": "rounded-rect",
   "notes": "on/off switch on face; barrel-plug lead - leave >= 12 wire room at exit"
  },
  "mounting": {
   "holes": [
    {
     "xy": [
      28.7,
      9.53
     ],
     "dia": 3.05,
     "notes": "centerline pair"
    },
    {
     "xy": [
      28.7,
      39.5
     ],
     "dia": 3.05
    }
   ],
   "pattern": "29.97 apart on the x=28.7 centerline",
   "notes": "M3 screws from inside the cell bay; lid swap access required"
  },
  "electrical": {
   "vin": "3x AA = 4.5V",
   "connector": "5.5/2.1mm center-positive barrel plug"
  },
  "cad": {
   "file": "ada-3842-3xaa-holder.step",
   "fidelity": "vendor",
   "source": "adafruit/Adafruit_CAD_Parts @ ab3dfc47c324, '3842 3xAA Battery/...step', rotated + re-based (original in ref/)",
   "verified": true
  },
  "sources": [
   {
    "facts": "all geometry",
    "ref": "vendor STEP (measured after transform)",
    "date": "2026-07-23"
   }
  ],
  "confidence": "high"
 },
 "models": [
  {
   "handle": "sarg",
   "fidelity": "vendor",
   "verified": true,
   "visibility": "public",
   "url": "/m/sarg/ada-3842-3xaa-holder",
   "files": [
    "ada-3842-3xaa-holder.step",
    "part.yaml"
   ]
  }
 ],
 "related": {
  "notes": {
   "exact": [],
   "chip": [],
   "addr": []
  },
  "parts": {
   "variants": [],
   "interface": [
    {
     "product": "ada-67-9v-holder",
     "name": "9V Battery Holder w/ Switch + 5.5/2.1mm Plug",
     "why": "5.5/2.1mm center-positive barrel plug",
     "url": "/p/ada-67-9v-holder"
    }
   ],
   "mounting": [],
   "cooccur": [],
   "owners": [],
   "addr": []
  }
 }
}