# DFRobot Fermion ENS160 air-quality sensor (SEN0515): 20 × 15 mm board, Ø2 holes and pin rows

> What are the DFRobot Fermion ENS160 (SEN0515) dimensions and mounting-hole positions?

- Category: Electronic components › Modules, sensors & displays
- Kind: Modern device
- Basis: DFRobot's SEN0515 3D model, cross-checked with the SEN0515 dimension drawing.
- Page: https://xemstudio.com/objects/dfrobot-fermion-ens160-sen0515/ · JSON: https://xemstudio.com/api/geometry?object=dfrobot-fermion-ens160-sen0515 · Plain text: https://xemstudio.com/objects/dfrobot-fermion-ens160-sen0515/sheet.txt
- License: dimension sheet CC BY 4.0 (Xem Studio); files CC BY 4.0 or their publisher's license
- Use in every chat: add https://xemstudio.com/mcp as a connector (https://xemstudio.com/use-with-ai/)

## Overall (mm)

| length | width | height |
|---|---|---|
| 20.0 | 15.0 | 1.91 |

**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.

## Notes

- Datum: board centred on X and Y, bottom on z=0; −Y is the mounting-hole edge.
- Board 20.0 × 15.0 × 1.0 mm with R1.5 corners; overall 1.91 high over the ENS160 package.
- Two Ø2.0 mounting holes at (±7.5, −5.0): 15.0 apart, 2.5 from the −Y edge.
- Pin holes Ø0.9 at 2.54 pitch: 7 along y=+5.88 (3V3 GND SCK SDI SDO CS INT) and 4 along y=−5.87 (3V3 GND SCL SDA).
- Not modelled: the 1×7 and 1×4 pin headers (ship unsoldered) and small passives. Exact nominal mm.

## Mating features (exact size; open press / slide / run / socket by your process clearance, leave designed and clamp as drawn)

| feature | exact | mates with | fit | files |
|---|---|---|---|---|
| Mounting holes | 2 × Ø2.0, 15.0 apart | M1.6 screws or Ø2 locating pins | designed | all |
| Pin rows | 1×7 and 1×4, 2.54 pitch | 2.54 mm pin headers | socket | all |

## Sizes

| feature | x (mm) | y (mm) | diameter (mm) |
|---|---|---|---|
| mounting hole | −7.5 | −5.0 | 2.0 |
| mounting hole | +7.5 | −5.0 | 2.0 |
| 7-pin row | −7.62..+7.62 | +5.88 | 0.9 |
| 4-pin row | −3.81..+3.81 | −5.87 | 0.9 |

## Where the files are

- DFRobot: [SKU SEN0515 Fermion ENS160 Air Quality Sensor wiki](https://wiki.dfrobot.com/SKU_SEN0515_Fermion_ENS160_Air_Quality_Sensor) — web — Publisher's page; dimensions are facts
- DigiKey: [DFRobot SEN0515 ENS160 air quality sensor board](https://www.digikey.co.uk/en/products/detail/dfrobot/SEN0515/18069227) — web — Publisher's page; dimensions are facts

## Free STEP/STL (1 parts, CC BY 4.0, Xem Studio)

Index: https://xemstudio.com/files/hardware/dfrobot-fermion-ens160-sen0515/index.json

- dfrobot-fermion-ens160-sen0515: [STEP](https://xemstudio.com/files/hardware/dfrobot-fermion-ens160-sen0515/dfrobot-fermion-ens160-sen0515.step) · [STL](https://xemstudio.com/files/hardware/dfrobot-fermion-ens160-sen0515/dfrobot-fermion-ens160-sen0515.stl) — DFRobot Fermion ENS160 air-quality sensor (SEN0515): 20 × 15 mm board, Ø2 holes and pin rows

## Questions

**How big is the DFRobot ENS160 board?**

20.0 × 15.0 mm, 1.0 mm board, 1.91 mm overall over the sensor.

**Where are its mounting holes?**

Two Ø2.0 holes 15.0 mm apart, 2.5 mm from the edge opposite the 7-pin row.

## Fits with

- [Adafruit STEMMA QT sensor breakouts (BME280, BNO055/085, VL53, SCD-40, AHT20, SHT40, IMUs, light, magnet, RTC…)](https://xemstudio.com/objects/adafruit-stemma-qt-breakouts/)
- [Adafruit BME280 breakout (original)](https://xemstudio.com/objects/adafruit-bme280-breakout-original/)
- [2.54 mm pin headers, 1×2 to 2×20, vertical and right-angle](https://xemstudio.com/objects/pin-headers-2.54mm/)
- [Threaded standoffs, M2.5 and M3 (hex and round)](https://xemstudio.com/objects/threaded-standoffs-metric/)
- [HC-SR04 ultrasonic sensor](https://xemstudio.com/objects/hc-sr04-ultrasonic-sensor/)