{
 "version": "2026-10-20",
 "license": "Dimension sheets are written by Xem Studio from the cited sources and are free to use (CC BY 4.0, attribute 'Xem Studio'). Linked files belong to their publishers under the license shown; Xem Studio does not host them. 'license_verified: false' means the license shown is from memory or the publisher's page as last read and should be confirmed at the link before commercial use.",
 "slug": "arduino-mega-2560",
 "name": "Arduino Mega 2560 R3",
 "kind": "modern",
 "category": "Electronics",
 "group": "Microcontroller boards",
 "year": 2010,
 "question": "What are the Arduino Mega 2560 dimensions and mounting holes?",
 "tags": [
  "microcontroller",
  "board",
  "enclosure"
 ],
 "aliases": [
  "mega",
  "mega 2560"
 ],
 "overall_mm": {
  "length": 101.52,
  "width": 53.3,
  "height": null
 },
 "official_cad": true,
 "xem_status": "not-scanned",
 "les": false,
 "free_files": 0,
 "url": "https://xemstudio.com/objects/arduino-mega-2560/",
 "sheet_txt": "https://xemstudio.com/objects/arduino-mega-2560/sheet.txt",
 "sheet": {
  "basis": "published board outline",
  "overall_mm": {
   "length": 101.52,
   "width": 53.3,
   "height": null
  },
  "notes": [
   "Uno-compatible header positions at the USB end; four mounting holes.",
   "USB-B and barrel jack on the same short edge as the Uno."
  ],
  "mounting_holes": {
   "count": 4,
   "diameter_mm": 3.2,
   "pattern_mm": "see official outline",
   "screw": "M3"
  }
 },
 "sheet_text": "Arduino Mega 2560 R3 — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/arduino-mega-2560/  (CC BY 4.0)\nBasis: published board outline\nCatalog version: 2026-10-20\n\nOverall (mm): length 101.52, width 53.3\nMounting holes: 4 × Ø3.2 mm, pattern see official outline, screw M3\n- Uno-compatible header positions at the USB end; four mounting holes.\n- USB-B and barrel jack on the same short edge as the Uno.\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- Arduino (official): Mega 2560 documentation, CAD files — STEP, DXF, PDF — see page [verify license at link] — https://docs.arduino.cc/hardware/mega-2560/\n\nXem Studio scan: not planned; the official CAD above covers it.\nAPI: https://xemstudio.com/api/geometry?object=arduino-mega-2560\n",
 "sources": [
  {
   "publisher": "Arduino (official)",
   "title": "Mega 2560 documentation, CAD files",
   "url": "https://docs.arduino.cc/hardware/mega-2560/",
   "formats": [
    "STEP",
    "DXF",
    "PDF"
   ],
   "license": "see page",
   "license_verified": false,
   "hosted": false
  }
 ],
 "xem": {
  "status": "not-scanned",
  "sheet_free": true,
  "mesh_price_usd": null,
  "step_price_usd": null,
  "tolerance_mm": null
 },
 "related": [
  "arduino-uno-r3",
  "threaded-standoffs-metric"
 ],
 "faq": [
  {
   "q": "What are the Arduino Mega 2560 R3 dimensions in mm?",
   "a": "101.52 × 53.3 mm (length × width × height). Uno-compatible header positions at the USB end; four mounting holes."
  },
  {
   "q": "What is the Arduino Mega 2560 R3 mounting hole pattern?",
   "a": "4 × Ø3.2 mm on a see official outline mm pattern, M3 screws."
  },
  {
   "q": "Where is the official CAD for the Arduino Mega 2560 R3?",
   "a": "Arduino (official): Mega 2560 documentation, CAD files (STEP, DXF, PDF, see page). Linked from the sheet; Xem Studio does not rehost it."
  }
 ],
 "files_license": null,
 "offers": [],
 "markdown": "https://xemstudio.com/objects/arduino-mega-2560/index.md"
}