DFRobot Fermion ENS160 air-quality sensor (SEN0515): 20 × 15 mm board, Ø2 holes and pin rows — dimension sheet
Source: Xem Studio, https://xemstudio.com/objects/dfrobot-fermion-ens160-sen0515/  (sheet CC BY 4.0)
Basis: DFRobot's SEN0515 3D model, cross-checked with the SEN0515 dimension drawing.
Catalog version: 2026-10-20

Overall (mm): length 20.0, width 15.0, height 1.91
- 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.

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

Files elsewhere (not hosted by Xem Studio; license as stated by the publisher):
- DFRobot: SKU SEN0515 Fermion ENS160 Air Quality Sensor wiki — web — Publisher's page; dimensions are facts — https://wiki.dfrobot.com/SKU_SEN0515_Fermion_ENS160_Air_Quality_Sensor
- DigiKey: DFRobot SEN0515 ENS160 air quality sensor board — web — Publisher's page; dimensions are facts — https://www.digikey.co.uk/en/products/detail/dfrobot/SEN0515/18069227

Free files (CC BY 4.0, Xem Studio; STEP + STL, 1 parts): https://xemstudio.com/files/hardware/dfrobot-fermion-ens160-sen0515/index.json
API: https://xemstudio.com/api/geometry?object=dfrobot-fermion-ens160-sen0515