{
 "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": "adafruit-bme280-breakout-original",
 "name": "Adafruit BME280 breakout (original)",
 "kind": "modern",
 "category": "Electronics",
 "group": "Modules & cameras",
 "year": null,
 "question": "What are the dimensions of the Adafruit BME280 breakout (original)?",
 "tags": [
  "sensor",
  "i2c",
  "adafruit"
 ],
 "aliases": [
  "adafruit bme280 breakout (original) dimensions",
  "adafruit bme280 breakout (original) size",
  "adafruit bme280 breakout (original) mounting holes",
  "adafruit bme280 breakout (original) medidas",
  "adafruit bme280 breakout (original) Maße"
 ],
 "overall_mm": {
  "length": 17.78,
  "width": 19.05,
  "height": null
 },
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  "overall_mm": {
   "length": 17.78,
   "width": 19.05,
   "height": null
  },
  "notes": [
   "Adafruit BME280 breakout (original): 17.78 × 19.05 mm. The original 0.7 × 0.75 in board. The current STEMMA QT version is larger (about 25.4 × 17.8 mm per resellers).",
   "Mounting holes: 2 × Ø2.2 mm, 12.70 mm apart, 2.54 mm in from the top 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",
     "17.78 × 19.05 mm (board outline)"
    ],
    [
     "mounting holes",
     "2 × Ø2.2 mm, 12.70 mm apart, 2.54 mm in from the top edge"
    ]
   ]
  }
 },
 "sheet_text": "Adafruit BME280 breakout (original) — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/adafruit-bme280-breakout-original/  (CC BY 4.0)\nBasis: Adafruit (Eagle board file)\nCatalog version: 2026-10-20\n\nOverall (mm): length 17.78, width 19.05\n- Adafruit BME280 breakout (original): 17.78 × 19.05 mm. The original 0.7 × 0.75 in board. The current STEMMA QT version is larger (about 25.4 × 17.8 mm per resellers).\n- Mounting holes: 2 × Ø2.2 mm, 12.70 mm apart, 2.54 mm in from the top 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  17.78 × 19.05 mm (board outline)\nmounting holes  2 × Ø2.2 mm, 12.70 mm apart, 2.54 mm in from the top edge\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- Adafruit: Adafruit BME280 breakout (original) — web — Publisher's page; dimensions are facts — https://github.com/adafruit/Adafruit-BME280-Breakout-PCB/blob/master/Adafruit%20BME280.brd\n\nFree files (CC BY 4.0, Xem Studio; STEP + STL, 1 parts): https://xemstudio.com/files/hardware/adafruit-bme280-breakout-original/index.json\nAPI: https://xemstudio.com/api/geometry?object=adafruit-bme280-breakout-original\n",
 "sources": [
  {
   "publisher": "Adafruit",
   "title": "Adafruit BME280 breakout (original)",
   "url": "https://github.com/adafruit/Adafruit-BME280-Breakout-PCB/blob/master/Adafruit%20BME280.brd",
   "formats": [
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  "tolerance_mm": null
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 "related": [
  "ai-thinker-esp32-cam",
  "hc-sr04-ultrasonic-sensor",
  "adafruit-0-96-in-128x64-oled-stemma-qt",
  "adafruit-pca9685-16-channel-pwm-servo-driver",
  "sparkfun-qwiic-phat-v2-for-raspberry-pi",
  "pololu-a4988-stepper-driver-carrier"
 ],
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 "mating": [],
 "faq": [
  {
   "q": "How big is the Adafruit BME280 breakout (original)?",
   "a": "17.78 × 19.05 mm; holes 2 × Ø2.2 mm, 12.70 mm apart, 2.54 mm in from the top edge."
  }
 ],
 "files_license": null,
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   "stl": "https://xemstudio.com/files/hardware/adafruit-bme280-breakout-original/adafruit-bme280-breakout-original-outline.stl",
   "note": "17.78 × 19.05 mm, 2 × Ø2.2 holes at the published centres; 1.6 mm plate (thickness not published)"
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