{
 "digest": null,
 "links": {
  "fits": [],
  "members": [],
  "cases": [],
  "assemblies": []
 },
 "prints": [],
 "part": {
  "id": "ada-3505-metro-m0",
  "name": "Adafruit METRO M0 Express (UNO form factor)",
  "kind": "",
  "method": "",
  "vendor": "adafruit",
  "sku": "3505",
  "model": "",
  "buy": [
   "https://www.adafruit.com/product/3505"
  ],
  "url": "https://www.adafruit.com/product/3505",
  "category": "board",
  "owned_qty": 0
 },
 "facts": {
  "id": "ada-3505-metro-m0",
  "name": "Adafruit METRO M0 Express (UNO form factor)",
  "vendor": "adafruit",
  "sku": "3505",
  "url": "https://www.adafruit.com/product/3505",
  "qty_owned": 1,
  "category": "board",
  "frame": "origin PCB plan bottom-left (USB/jack end at X=0), Z=0 PCB bottom",
  "body": {
   "size_mm": [
    71.0,
    53.0,
    13.0
   ],
   "outline": "rect",
   "max_height_top": 11.4
  },
  "mounting": {
   "holes": [
    {
     "xy": [
      13.97,
      2.54
     ],
     "dia": 3.2
    },
    {
     "xy": [
      66.04,
      7.62
     ],
     "dia": 3.2
    },
    {
     "xy": [
      66.04,
      35.56
     ],
     "dia": 3.2
    },
    {
     "xy": [
      15.24,
      50.8
     ],
     "dia": 3.2
    }
   ],
   "pattern": "Arduino UNO standard (typ. - METRO advertises UNO mount compat)",
   "notes": "USB + barrel jack overhang the X=0 edge slightly on the real board - through-wall cutouts"
  },
  "electrical": {
   "vin": "6-12V barrel / 5V USB",
   "logic_v": 3.3,
   "protocols": [
    "i2c",
    "spi",
    "uart",
    "pwm"
   ]
  },
  "cad": {
   "file": "ada-3505-metro-m0.step",
   "fidelity": "envelope",
   "source": "ada-3505-metro-m0.py",
   "verified": true
  },
  "sources": [
   {
    "facts": "71 x 53 x 13, 4 holes",
    "ref": "https://www.adafruit.com/product/3505",
    "date": "2026-07-23"
   },
   {
    "facts": "hole positions",
    "ref": "Arduino UNO standard pattern (typ.)",
    "date": "2026-07-23"
   }
  ],
  "confidence": "hole positions from UNO standard, not measured - caliper-verify before fit-critical"
 },
 "models": [
  {
   "handle": "sarg",
   "fidelity": "envelope",
   "verified": true,
   "visibility": "public",
   "url": "/m/sarg/ada-3505-metro-m0",
   "files": [
    "ada-3505-metro-m0.py",
    "ada-3505-metro-m0.step",
    "part.yaml"
   ]
  }
 ],
 "related": {
  "notes": {
   "exact": [],
   "chip": [],
   "addr": []
  },
  "parts": {
   "variants": [],
   "interface": [],
   "mounting": [],
   "cooccur": [],
   "owners": [],
   "addr": []
  }
 }
}