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Fermion - BME688 - AI environmental sensor - VOC/temperature/humidity/pressure - I2C/SPI - DFRobot SEN0629
Fermion BME688 is an advanced MEMS environmental sensor that measures temperature, humidity, atmospheric pressure, and VOC (volatile organic compounds) levels . It supports I2C / SPI communication and can be used in projects based on Arduino, ESP32, ESP8266, and Raspberry Pi. Perfect for air quality monitoring, Smart Home systems, and industrial applications.
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Product description: Fermion - AI environmental sensor - BME688 - VOC / temperature / humidity / pressure - I2C / SPI - DFRobot SEN0629
The DFRobot Fermion BME688 environmental sensor combines temperature , humidity , atmospheric pressure and volatile organic compound (VOC) detection in a single system . It supports both I2C and SPI communication, offering great integration flexibility. The BME688 also has a built-in heating layer that stabilizes VOC measurements and allows for advanced gas analysis using AI algorithms in the BME AI-Studio software. This makes it an ideal solution for intelligent air quality monitoring, environmental research or industrial leak detection.
Fermion - AI environmental sensor - BME688 - VOC / temperature / humidity / pressure - I2C / SPI - DFRobot SEN0629.
Botland is an official distributor of DFRobot open-source hardware. Every roboticist and practitioner of emerging technology has heard at least once of DFRobot solutions, built above all around Arduino. Our range holds original DFRobot products only.
The sensor is able to measure environmental parameters such as temperature, humidity, pressure and VOC.
Main features of the sensor
- MEMS multi-sensor system : integrates temperature, humidity, pressure and VOC measurement
- I2C and SPI support : flexible communication with various microcontrollers
- AI-ready : support for BME AI-Studio and BSEC2 gas analysis libraries
- High measurement precision : ± 0.5°C (temperature), ± 3% (RH), ± 0.6 hPa (pressure)
- Built-in heating layer : stabilizes VOC readings and provides precise temperature control
- Compact dimensions : only 30 x 22 mm
Terminals and connectors
The Fermion BME688 module uses four main pins for I2C communication:
- VCC : 3.3V to 5V power supply (SPI 3.3V only)
- GND : ground
- SCL : I2C clock line
- SDA : I2C data line
The remaining pins can be used for more advanced configurations or via the SPI interface. With a standard 2.54 mm pinout, the sensor can be easily connected to a breadboard or a ready-made module.
All pins are labeled for easier sensor connection.
Connection and Compatibility
The BME688 can work with many popular hardware platforms : Arduino Uno , Mega , Leonardo , ESP8266 , ESP32 and Raspberry Pi . It supports I2C (recommended for simplicity) and SPI (only 3.3V) interfaces. The DFRobot_BME68x and BSEC2-Arduino libraries provide full functionality - including support for air quality (IAQ) measurement. The sensor works best with the FireBeetle ESP8266 - it is the only board that fully supports IAQ measurement.
Practical applications
- Indoor air quality monitoring (VOC, IAQ)
- Intelligent air conditioning and ventilation systems
- Weather Stations and IoT Projects
- Detection of industrial gases and leaks
- Environmental research using AI
Sensor Technical Specifications
- Supply voltage: 3.3 V to 5 V (SPI only 3.3 V)
- Operating current: 5 mA (up to 25 mA with active VOC measurement)
- Communication interface: I2C / SPI
- Temperature measurement range: -40°C to 85°C
- Temperature measurement accuracy: ±0.5°C (from 0°C to 65°C)
- Humidity measurement range: 0% RH to 100% RH
- Humidity measurement accuracy: ±3% RH (from 20% RH to 80% RH, 25°C)
- Pressure measurement range: 300 hPa to 1100 hPa
- Pressure measurement accuracy: ± 0.6 hPa (from 0°C to 65°C)
- IAQ (Indoor Air Quality) Range: 0 to 500 (the higher the value, the worse the air quality)
- Dimensions: 30 x 22 mm
Kit Contents
- 1x AI Fermion BME688 Environmental Sensor
- 1x Goldpin connector 1x10 raster 2.54 mm
Items included in the set.
Useful links
| Name | Value |
|---|---|
| Voltage to | 3.3 V |
| Voltage from | 5.0 V |
| Interface |
|
| Sensor - type | temperature, humidity, pressure |
| Width | 5.5 cm |
| Height | 2.5 cm |
| Depth | 6 cm |
| Weight | 0.006 kg |
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The full delivery terms are on the page Delivery and payment.
30 days to return, without giving a reason
If the product does not meet your expectations, you have 30 days from receiving the parcel to withdraw from the contract. The product only has to be complete. The right of return belongs to consumers (a purchase unrelated to business activity).
Complaints
If the product turns out to be faulty, you can make a claim under the guarantee or the statutory warranty. We handle claims without delay, at the latest within 14 working days of receiving the report together with the goods.
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Instructions and documents
GPSR data
Product information
This product is a component intended for further assembly or prototyping. It is not a finished product within the meaning of the product safety regulations.
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