{
 "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": "seeed-xiao-nrf52840",
 "name": "Seeed Studio XIAO nRF52840",
 "kind": "modern",
 "category": "Electronics",
 "group": "Microcontroller boards",
 "year": 2022,
 "question": "What are the Seeed Studio XIAO nRF52840 dimensions?",
 "tags": [
  "microcontroller",
  "board",
  "enclosure",
  "dev board"
 ],
 "aliases": [
  "xiao nrf52840",
  "xiao nrf52840 dimensions",
  "xiao nrf52840 size",
  "xiao dimensions",
  "seeed xiao"
 ],
 "overall_mm": {
  "length": 21,
  "width": 17.8,
  "height": null
 },
 "official_cad": true,
 "xem_status": "not-scanned",
 "les": false,
 "free_files": 0,
 "url": "https://xemstudio.com/objects/seeed-xiao-nrf52840/",
 "sheet_txt": "https://xemstudio.com/objects/seeed-xiao-nrf52840/sheet.txt",
 "sheet": {
  "basis": "Seeed Studio wiki (board size); outline DXF on the same page",
  "overall_mm": {
   "length": 21,
   "width": 17.8,
   "height": null
  },
  "notes": [
   "XIAO nRF52840: 21 × 17.8 mm, USB-C on one short edge, castellated pads on both long edges.",
   "Every XIAO shares this outline, so one enclosure or carrier fits all of them; check component height and antenna position per variant.",
   "Seeed publishes the outline as a DXF on the wiki page; thickness and pad positions are not given in text."
  ]
 },
 "sheet_text": "Seeed Studio XIAO nRF52840 — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/seeed-xiao-nrf52840/  (CC BY 4.0)\nBasis: Seeed Studio wiki (board size); outline DXF on the same page\nCatalog version: 2026-10-20\n\nOverall (mm): length 21.0, width 17.8\n- XIAO nRF52840: 21 × 17.8 mm, USB-C on one short edge, castellated pads on both long edges.\n- Every XIAO shares this outline, so one enclosure or carrier fits all of them; check component height and antenna position per variant.\n- Seeed publishes the outline as a DXF on the wiki page; thickness and pad positions are not given in text.\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- Seeed Studio (official): XIAO nRF52840 getting started (specifications) — web — Manufacturer documentation — https://wiki.seeedstudio.com/XIAO_BLE/\n\nXem Studio scan: not planned; the official CAD above covers it.\nAPI: https://xemstudio.com/api/geometry?object=seeed-xiao-nrf52840\n",
 "sources": [
  {
   "publisher": "Seeed Studio (official)",
   "title": "XIAO nRF52840 getting started (specifications)",
   "url": "https://wiki.seeedstudio.com/XIAO_BLE/",
   "formats": [
    "web"
   ],
   "license": "Manufacturer documentation",
   "license_verified": true,
   "hosted": false
  }
 ],
 "xem": {
  "status": "not-scanned",
  "sheet_free": true,
  "mesh_price_usd": null,
  "step_price_usd": null,
  "tolerance_mm": null
 },
 "related": [
  "seeed-xiao",
  "seeed-xiao-esp32c3",
  "seeed-xiao-esp32s3",
  "seeed-xiao-rp2040",
  "seeed-xiao-samd21"
 ],
 "fits": [],
 "dimensions": "exact (nominal, no printing tolerance)",
 "dimension_rule": "All geometry on Xem Studio is exact (nominal, true size) with no printing tolerance. Where a part meets another part, the object lists its mating features (feature, exact size, what it mates with, fit class: press, slide, run, socket, clamp or designed). Apply your process's allowance to those features only; 'designed' gaps are part of the design and stay as drawn.",
 "mating": [],
 "faq": [
  {
   "q": "How big is the Seeed Studio XIAO nRF52840?",
   "a": "21.0 × 17.8 mm (0.83 × 0.70 in)."
  }
 ],
 "files_license": null,
 "offers": [],
 "markdown": "https://xemstudio.com/objects/seeed-xiao-nrf52840/index.md"
}