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Adafruit BME280 breakout (original)
What are the dimensions of the Adafruit BME280 breakout (original)? · Modern device · basis: Adafruit (Eagle board file)
Also called: 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
Exact dimensions. True size, with no printing tolerance added.
- length
- 17.78 mm
- width
- 19.05 mm
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.
Adafruit BME280 breakout size chart
| dimension | value |
|---|---|
| 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 |
Where the files are
Other publishers' files are linked, not hosted. "verify" = check the license at the link before commercial use.
| Adafruit | Adafruit BME280 breakout (original) | web | Publisher's page; dimensions are facts |
Free files
★ Free files 1 parts. Generated by Xem Studio from the standard; threads are plain cylinders at major diameter. CC BY 4.0. index.json
| adafruit-bme280-breakout-original-outline | 17.78 × 19.05 mm, 2 × Ø2.2 holes at the published centres; 1.6 mm plate (thickness not published) | STEP · STL |
https://xemstudio.com/mcp to Claude, ChatGPT, Cursor or any MCP client (free, no account, one minute) and it can look up exact sizes, mating fits and free STEP/STL from every chat.Plain text: sheet.txt · JSON: /api/geometry?object=adafruit-bme280-breakout-original

Fits with






Questions
How big is the Adafruit BME280 breakout (original)?
17.78 × 19.05 mm; holes 2 × Ø2.2 mm, 12.70 mm apart, 2.54 mm in from the top edge.