{
 "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": "nodemcu-esp8266-devkit-v1-0",
 "name": "NodeMCU ESP8266 DevKit v1.0",
 "kind": "modern",
 "category": "Electronics",
 "group": "Microcontroller boards",
 "year": null,
 "question": "What are the dimensions of the NodeMCU ESP8266 DevKit v1.0?",
 "tags": [
  "esp8266",
  "nodemcu"
 ],
 "aliases": [
  "nodemcu esp8266 devkit v1.0 dimensions",
  "nodemcu esp8266 devkit v1.0 size",
  "nodemcu esp8266 devkit v1.0 mounting holes",
  "nodemcu esp8266 devkit v1.0 medidas",
  "nodemcu esp8266 devkit v1.0 Maße"
 ],
 "overall_mm": {
  "length": 25.4,
  "width": 48.26,
  "height": null
 },
 "official_cad": false,
 "xem_status": "free-files",
 "les": false,
 "free_files": 1,
 "url": "https://xemstudio.com/objects/nodemcu-esp8266-devkit-v1-0/",
 "sheet_txt": "https://xemstudio.com/objects/nodemcu-esp8266-devkit-v1-0/sheet.txt",
 "sheet": {
  "basis": "NodeMCU (official Gerber V4)",
  "overall_mm": {
   "length": 25.4,
   "width": 48.26,
   "height": null
  },
  "notes": [
   "NodeMCU ESP8266 DevKit v1.0: 25.4 × 48.26 mm. The original open-hardware Amica board (1.00 × 1.90 in). The wider 'LoLin NodeMCU v3' clone is a different board.",
   "Mounting holes: 4 × Ø2.921 mm, 20.828 × 43.688 mm centres, 2.286 mm in from each edge. Hole centres are measured from the lower-left corner.",
   "The file is the outline with the holes; components and connectors are not modelled."
  ],
  "table": {
   "columns": [
    "dimension",
    "value"
   ],
   "rows": [
    [
     "size",
     "25.4 × 48.26 mm (board outline)"
    ],
    [
     "mounting holes",
     "4 × Ø2.921 mm, 20.828 × 43.688 mm centres, 2.286 mm in from each edge"
    ]
   ]
  }
 },
 "sheet_text": "NodeMCU ESP8266 DevKit v1.0 — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/nodemcu-esp8266-devkit-v1-0/  (CC BY 4.0)\nBasis: NodeMCU (official Gerber V4)\nCatalog version: 2026-10-20\n\nOverall (mm): length 25.4, width 48.26\n- NodeMCU ESP8266 DevKit v1.0: 25.4 × 48.26 mm. The original open-hardware Amica board (1.00 × 1.90 in). The wider 'LoLin NodeMCU v3' clone is a different board.\n- Mounting holes: 4 × Ø2.921 mm, 20.828 × 43.688 mm centres, 2.286 mm in from each edge. Hole centres are measured from the lower-left corner.\n- The file is the outline with the holes; components and connectors are not modelled.\n\ndimension  value\nsize  25.4 × 48.26 mm (board outline)\nmounting holes  4 × Ø2.921 mm, 20.828 × 43.688 mm centres, 2.286 mm in from each edge\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- NodeMCU: NodeMCU ESP8266 DevKit v1.0 — web — Publisher's page; dimensions are facts — https://github.com/nodemcu/nodemcu-devkit-v1.0\n\nFree files (CC BY 4.0, Xem Studio; STEP + STL, 1 parts): https://xemstudio.com/files/hardware/nodemcu-esp8266-devkit-v1-0/index.json\nAPI: https://xemstudio.com/api/geometry?object=nodemcu-esp8266-devkit-v1-0\n",
 "sources": [
  {
   "publisher": "NodeMCU",
   "title": "NodeMCU ESP8266 DevKit v1.0",
   "url": "https://github.com/nodemcu/nodemcu-devkit-v1.0",
   "formats": [
    "web"
   ],
   "license": "Publisher's page; dimensions are facts",
   "license_verified": true,
   "hosted": false
  }
 ],
 "xem": {
  "status": "free-files",
  "sheet_free": true,
  "mesh_price_usd": null,
  "step_price_usd": null,
  "tolerance_mm": null
 },
 "related": [
  "nodemcu-v3-lolin-esp8266-clone",
  "wemos-lolin-d1-mini-v4-esp8266",
  "wemos-lolin-s2-mini-esp32-s2",
  "esp32-c3-supermini",
  "sparkfun-pro-micro"
 ],
 "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 NodeMCU ESP8266 DevKit v1.0?",
   "a": "25.4 × 48.26 mm; holes 4 × Ø2.921 mm, 20.828 × 43.688 mm centres, 2.286 mm in from each edge."
  }
 ],
 "files_license": null,
 "offers": [
  {
   "file": "nodemcu-esp8266-devkit-v1-0-outline",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/nodemcu-esp8266-devkit-v1-0/nodemcu-esp8266-devkit-v1-0-outline.step",
   "stl": "https://xemstudio.com/files/hardware/nodemcu-esp8266-devkit-v1-0/nodemcu-esp8266-devkit-v1-0-outline.stl",
   "note": "25.4 × 48.26 mm, 4 × Ø2.92 holes at the published centres; 1.6 mm plate (thickness not published)"
  }
 ],
 "markdown": "https://xemstudio.com/objects/nodemcu-esp8266-devkit-v1-0/index.md"
}