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Adafruit STEMMA QT sensor breakouts (BME280, BNO055/085, VL53, SCD-40, AHT20, SHT40, IMUs, light, magnet, RTC…)
What are the dimensions of Adafruit STEMMA QT breakout boards? · Modern device · basis: Adafruit CAD (MIT); most STEMMA QT breakouts are 25.4 × 17.8 mm (1.0 × 0.7 in) with two Ø2.5 mm holes 20.3 mm apart, JST SH 4-pin connectors on both short ends
- sizes
- 33 in table
Notes
- The common STEMMA QT breakout: 25.4 × 17.8 mm, two Ø2.5 mm holes on 20.3 mm centres (0.8 in) along the long axis, 2.54 mm header row on one long edge, JST SH 1.0 mm 4-pin at each end; 1.6 mm PCB, 4–6 mm tall with connectors.
- Larger ones: SCD-40 (33 × 25.4), MLX90640 thermal camera (25.4 × 25.4), PMSA003I air quality adapter (38 × 25), PCA9548 mux (33 × 17.8).
- Cable: STEMMA QT / Qwiic JST SH cables need 8 mm of clearance beyond the connector for the plug and strain relief.
Sizes
| product | bbox_l_mm | bbox_w_mm | bbox_h_mm |
|---|---|---|---|
| 2652 Adafruit BME280 | 25.4 | 17.8 | 4.5 |
| 4646 BNO055 Stemma | 25.4 | 20.3 | 4.5 |
| 4754 BNO085 STEMMA QT | 25.4 | 22.9 | 4.5 |
| 5396 VL53L4CD Sensor | 25.4 | 17.8 | 4.5 |
| 5187 SCD-40 C02 Sensor | 25.4 | 22.9 | 7.9 |
| 4566 AHT20 Sensor | 25.4 | 17.8 | 4.5 |
| 4885 SHT40 Sensor | 25.4 | 17.8 | 4.5 |
| 2809 LIS3DH | 25.4 | 17.8 | 4.5 |
| 4502 6DoF IMU | 25.4 | 17.8 | 4.5 |
| 5378 VEML7700 Lux Sensor | 25.4 | 17.8 | 4.5 |
| 3595 APDS9960 Sensor | 25.4 | 17.8 | 4.5 |
| 5188 DS3231 RTC | 25.4 | 17.8 | 7.7 |
| 904 INA219 Stemma | 25.4 | 20.3 | 4.5 |
| 5626 PCA9548 Stemma | 40.6 | 20.3 | 4.5 |
| 1085 ADS1115 ADC | 25.4 | 17.8 | 4.5 |
| 5346 MCP23017 Expander | 43.2 | 17.8 | 4.5 |
| 6357 AS5600 Magnetic Sensor | 25.4 | 17.8 | 4.5 |
| 4698 AS7341 Light Color Sensor | 25.4 | 17.8 | 4.5 |
| 4469 MLX90640 Stemma | 25.4 | 17.8 | 11.7 |
| 4632 PMSA003I | 50.8 | 35.6 | 14.0 |
| 4097 ADXL343 Accelerometer | 25.4 | 17.8 | 4.5 |
| 4494 DPS310 Sensor | 25.4 | 17.8 | 4.5 |
| 4816 BMP390 QT | 25.4 | 17.8 | 4.5 |
| 3660 BME680 | 25.4 | 17.8 | 4.5 |
| 5046 BME688 Sensor | 25.4 | 17.8 | 4.5 |
| 4867 SCD-30 C02 Sensor | 50.8 | 25.4 | 11.5 |
| 4161 VCNL4040 Sensor | 25.4 | 17.8 | 4.5 |
| 4022 Wide-Range Triple-axis Magnetometer MLX90393 | 22.9 | 19.1 | 3.0 |
| 3967 VL5SL1X TOF Sensor | 25.4 | 17.8 | 4.5 |
| 4415 Mini GPS PA1010D | 25.4 | 25.4 | 12.0 |
| 5579 MMC5603 Magnetometer | 25.4 | 17.8 | 4.5 |
| 5832 INA228 STEMMA QT | 25.4 | 20.3 | 12.1 |
| 6062 INA3221 Power Monitor | 38.4 | 22.9 | 11.9 |
Where the files are
Other publishers' files are linked, not hosted. "verify" = check the license at the link before commercial use.
| Adafruit (official) | Adafruit_CAD_Parts: STEP, Fusion 360 and STL for Adafruit products | STEP, F3D, STL | MIT |
Free files
★ Free files 33 parts. Direct links to Adafruit Industries's own repository; nothing rehosted. MIT License (Adafruit_CAD_Parts). index.json
| 2652-adafruit-bme280 | Adafruit #2652 Adafruit BME280; bbox 25.4 × 17.8 × 4.5 mm; 0.9 MB on GitHub | STEP · STL |
| 4646-bno055-stemma | Adafruit #4646 BNO055 Stemma; bbox 25.4 × 20.3 × 4.5 mm; 1.2 MB on GitHub | STEP · STL |
| 4754-bno085-stemma-qt | Adafruit #4754 BNO085 STEMMA QT; bbox 25.4 × 22.9 × 4.5 mm; 1.6 MB on GitHub | STEP · STL |
| 5396-vl53l4cd-sensor | Adafruit #5396 VL53L4CD Sensor; bbox 25.4 × 17.8 × 4.5 mm; 0.8 MB on GitHub | STEP · STL |
| 5187-scd-40-c02-sensor | Adafruit #5187 SCD-40 C02 Sensor; bbox 25.4 × 22.9 × 7.9 mm; 1.0 MB on GitHub | STEP · STL |
| 4566-aht20-sensor | Adafruit #4566 AHT20 Sensor; bbox 25.4 × 17.8 × 4.5 mm; 0.5 MB on GitHub | STEP · STL |
| 4885-sht40-sensor | Adafruit #4885 SHT40 Sensor; bbox 25.4 × 17.8 × 4.5 mm; 0.8 MB on GitHub | STEP · STL |
| 2809-lis3dh | Adafruit #2809 LIS3DH; bbox 25.4 × 17.8 × 4.5 mm; 1.0 MB on GitHub | STEP · STL |
| 4502-6dof-imu | Adafruit #4502 6DoF IMU; bbox 25.4 × 17.8 × 4.5 mm; 0.8 MB on GitHub | STEP · STL |
| 5378-veml7700-lux-sensor | Adafruit #5378 VEML7700 Lux Sensor; bbox 25.4 × 17.8 × 4.5 mm; 0.8 MB on GitHub | STEP · STL |
| 3595-apds9960-sensor | Adafruit #3595 APDS9960 Sensor; bbox 25.4 × 17.8 × 4.5 mm; 0.7 MB on GitHub | STEP · STL |
| 5188-ds3231-rtc | Adafruit #5188 DS3231 RTC; bbox 25.4 × 17.8 × 7.7 mm; 0.9 MB on GitHub | STEP · STL |
| 904-ina219-stemma | Adafruit #904 INA219 Stemma; bbox 25.4 × 20.3 × 4.5 mm; 0.6 MB on GitHub | STEP · STL |
| 5626-pca9548-stemma | Adafruit #5626 PCA9548 Stemma; bbox 40.6 × 20.3 × 4.5 mm; 1.4 MB on GitHub | STEP · STL |
| 1085-ads1115-adc | Adafruit #1085 ADS1115 ADC; bbox 25.4 × 17.8 × 4.5 mm; 0.6 MB on GitHub | STEP |
| 5346-mcp23017-expander | Adafruit #5346 MCP23017 Expander; bbox 43.2 × 17.8 × 4.5 mm; 0.7 MB on GitHub | STEP · STL |
| 6357-as5600-magnetic-sensor | Adafruit #6357 AS5600 Magnetic Sensor; bbox 25.4 × 17.8 × 4.5 mm; 0.9 MB on GitHub | STEP |
| 4698-as7341-light-color-sensor | Adafruit #4698 AS7341 Light Color Sensor; bbox 25.4 × 17.8 × 4.5 mm; 1.0 MB on GitHub | STEP · STL |
| 4469-mlx90640-stemma | Adafruit #4469 MLX90640 Stemma; bbox 25.4 × 17.8 × 11.7 mm; 0.7 MB on GitHub | STEP · STL |
| 4632-pmsa003i | Adafruit #4632 PMSA003I; bbox 50.8 × 35.6 × 14.0 mm; 1.4 MB on GitHub | STEP · STL |
| 4097-adxl343-accelerometer | Adafruit #4097 ADXL343 Accelerometer; bbox 25.4 × 17.8 × 4.5 mm; 0.9 MB on GitHub | STEP · STL |
| 4494-dps310-sensor | Adafruit #4494 DPS310 Sensor; bbox 25.4 × 17.8 × 4.5 mm; 0.8 MB on GitHub | STEP · STL |
| 4816-bmp390-qt | Adafruit #4816 BMP390 QT; bbox 25.4 × 17.8 × 4.5 mm; 0.8 MB on GitHub | STEP · STL |
| 3660-bme680 | Adafruit #3660 BME680; bbox 25.4 × 17.8 × 4.5 mm; 0.9 MB on GitHub | STEP · STL |
| 5046-bme688-sensor | Adafruit #5046 BME688 Sensor; bbox 25.4 × 17.8 × 4.5 mm; 0.8 MB on GitHub | STEP |
| 4867-scd-30-c02-sensor | Adafruit #4867 SCD-30 C02 Sensor; bbox 50.8 × 25.4 × 11.5 mm; 2.5 MB on GitHub | STEP · STL |
| 4161-vcnl4040-sensor | Adafruit #4161 VCNL4040 Sensor; bbox 25.4 × 17.8 × 4.5 mm; 0.7 MB on GitHub | STEP |
| 4022-wide-range-triple-axis-magnetometer-mlx90393 | Adafruit #4022 Wide-Range Triple-axis Magnetometer MLX90393; bbox 22.9 × 19.1 × 3.0 mm; 0.7 MB on GitHub | STEP · STL |
| 3967-vl5sl1x-tof-sensor | Adafruit #3967 VL5SL1X TOF Sensor; bbox 25.4 × 17.8 × 4.5 mm; 1.0 MB on GitHub | STEP · STL |
| 4415-mini-gps-pa1010d | Adafruit #4415 Mini GPS PA1010D; bbox 25.4 × 25.4 × 12.0 mm; 1.4 MB on GitHub | STEP |
| 5579-mmc5603-magnetometer | Adafruit #5579 MMC5603 Magnetometer; bbox 25.4 × 17.8 × 4.5 mm; 0.7 MB on GitHub | STEP |
| 5832-ina228-stemma-qt | Adafruit #5832 INA228 STEMMA QT; bbox 25.4 × 20.3 × 12.1 mm; 1.2 MB on GitHub | STEP · STL |
| 6062-ina3221-power-monitor | Adafruit #6062 INA3221 Power Monitor; bbox 38.4 × 22.9 × 11.9 mm; 1.5 MB on GitHub | STEP |
Plain text: sheet.txt · JSON: /api/geometry?object=adafruit-stemma-qt-breakouts
Fits with
Questions
What size are Adafruit STEMMA QT breakouts?
Most are 25.4 × 17.8 mm with two Ø2.5 mm holes 20.3 mm apart; the same footprint as SparkFun Qwiic 1 × 1 in boards minus the width.
What connector is STEMMA QT?
JST SH 1.0 mm pitch, 4 pin (same as Qwiic); two per board so they daisy-chain. The larger STEMMA (not QT) is JST PH 2.0 mm, 3 or 4 pin.