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Adafruit MPU-6050 6-DoF accelerometer & gyro (#3886, STEMMA QT): 25.4 × 17.78 mm board and 4 mounting holes
What are the Adafruit MPU-6050 (product 3886) breakout dimensions and mounting-hole positions? · Modern device · basis: Adafruit's EagleCAD board file for the MPU-6050 STEMMA QT breakout, with connector height from the JST SH datasheet.
Also called: Adafruit MPU-6050, Adafruit 3886, MPU-6050 6-DoF Accel and Gyro Sensor STEMMA QT, mpu6050 breakout, MPU-6050 breakout board, mpu6050 breakout dimensions, Adafruit MPU6050 STEMMA QT
Exact dimensions. Every file is drawn at true size with no tolerance added. The holes and pins that meet another part are listed below under Mating features, with the fit each joint needs; open those by your process's clearance before making the part. Mating features
- length
- 25.4 mm
- width
- 17.78 mm
- height
- 4.55 mm
Notes
- This is Adafruit's own MPU-6050 board (product 3886). The generic GY-521 MPU-6050 board is about 21 × 16 mm with a different hole layout and does not share this footprint.
- Board 25.40 × 17.78 with R2.54 corners, centred, board bottom at 0. Board thickness 1.6 is assumed (Adafruit's board file does not state it); everything else is from the board file.
- Four plated Ø2.5 mounting holes at (±10.16, ±6.35) from the board centre: a 20.32 × 12.70 rectangle.
- Two STEMMA QT (JST SH 4-pin) connectors on the short edges, openings facing outward; 4.55 overall height.
- Not modelled: the two loose 1×6 0.1 in headers along the long edges and the 4 × 4 QFN chip.
- All dimensions are exact nominal millimetres, true size, with no tolerance added.
Adafruit MPU-6050 6-DoF accelerometer & gyro (#3886, STEMMA QT)… size chart
| hole | x (mm) | y (mm) | diameter (mm) |
|---|---|---|---|
| 1 | -10.16 | -6.35 | 2.5 |
| 2 | +10.16 | -6.35 | 2.5 |
| 3 | -10.16 | +6.35 | 2.5 |
| 4 | +10.16 | +6.35 | 2.5 |
Mating features
Drawn at the exact size. Open press, slide, run and socket features by your process's clearance (tolerances by process); leave designed gaps and clamp fits as drawn.
| feature | exact | mates with | fit | files |
|---|---|---|---|---|
| Mounting holes | 4 × Ø2.5 on 20.32 × 12.70 | M2.5 or #2-56 screws and standoffs | designed | all |
| STEMMA QT connectors | 2 × JST SH 4-pin, 4.25 × 6.10, top 4.55, openings on both short edges | JST SH 4-pin cable plug; leave cable clearance past each short edge | designed | all |
Where the files are
Other publishers' files are linked, not hosted. "verify" = check the license at the link before commercial use.
| Adafruit | MPU-6050 6-DoF Accel and Gyro Sensor - STEMMA QT (#3886) | web | Publisher's page; dimensions are facts |
| Adafruit | Adafruit-MPU6050-PCB repository | web | Publisher's page; dimensions are facts |
| Adafruit Learning System | MPU6050 6-DoF Accelerometer and Gyro guide | web | Publisher's page; dimensions are facts |
| JST | SH connector series datasheet | 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-mpu6050-3886 | Adafruit MPU-6050 6-DoF accelerometer & gyro (#3886, STEMMA QT): 25.4 × 17.78 mm board and 4 mounting holes | 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-mpu6050-3886
Fits with
Questions
How big is the Adafruit MPU-6050 board?
25.40 × 17.78 mm, 1.6 mm board (assumed), 4.55 mm tall over the STEMMA QT connectors.
Where are its mounting holes?
Four Ø2.5 holes on a 20.32 × 12.70 mm rectangle centred on the board.
Does this fit a GY-521 board?
No. The generic GY-521 is about 21 × 16 mm with a different hole layout; this page is Adafruit product 3886 only.