SKU: SENS-2926
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DFRobot Fermion BME688 AI Environmental Sensor (VOC, Temperature, Humidity, Pressure) - I2C/SPI

₹1,779.00 (Inclusive of all taxes)
Out of Stock

The DFRobot Fermion BME688 is a high-precision MEMS environmental sensor module measuring VOC, temperature, humidity, and barometric pressure. Featuring I2C and SPI interfaces, it is compatible with Arduino, Raspberry Pi, ESP32, and other 3.3V/5V microcontrollers for advanced air quality monitoring and AI-driven gas analysis.

Features

  • Multi-parameter sensing: VOC, temperature (±0.5°C), humidity (±3%), and barometric pressure (±0.6 hPa).
  • Integrated AI gas analysis compatible with Bosch BME AI-Studio and BSEC2-Arduino library.
  • On-chip heating layer for stable VOC measurement independent of ambient temperature.
  • Dual I2C and SPI digital communication interfaces for flexible system integration.
  • Compact Fermion form factor (18 x 15.6 mm) suitable for portable and embedded designs.

Out of stock

Description

The BME688 is a highly integrated MEMS environmental sensor from Bosch, combining a gas sensor with high-linearity and high-accuracy pressure, humidity, and temperature sensors. Its unique micro-hotplate design allows for precise control of the sensing element’s temperature, which is critical for stable and repeatable VOC detection. The sensor’s digital core provides calibrated and compensated measurement data via a standard I2C or SPI interface.

This module is engineered for applications requiring detailed environmental profiling, such as indoor air quality assessment, personal wellness tracking, and predictive maintenance. The integrated AI capabilities enable the creation of custom gas profiles for detecting specific volatile organic compounds, moving beyond simple concentration measurements to intelligent environmental interpretation.

Key Features

  • Quad-parameter environmental sensing: VOC, temperature, humidity, and barometric pressure in a single MEMS package.
  • AI-driven gas analysis platform support for creating and deploying custom gas detection profiles.
  • High-accuracy sensing core with ±0.5°C temperature, ±3% relative humidity, and ±0.6 hPa pressure precision.
  • Integrated micro-hotplate ensures VOC sensor performance is stable across varying ambient conditions.
  • Dual digital interface (I2C up to 3.4 MHz, SPI up to 10 MHz) offers design flexibility.
  • Ultra-low power consumption modes for battery-powered IoT and wearable applications.
  • Compact Fermion-series PCB with castellated edges for direct soldering or header attachment.
  • Optimized performance-to-cost ratio for advanced environmental monitoring projects.

Applications

  • Indoor Air Quality (IAQ) monitors for smart homes, offices, and HVAC systems.
  • Portable environmental data loggers and personal wellness tracking devices.
  • Predictive maintenance systems for detecting off-gassing in industrial equipment.
  • High-altitude weather stations and microclimate monitoring networks.
  • AI-driven smart agriculture systems for greenhouse environment control.

Technical Specifications

ParameterSpecification
Sensor ModelBosch BME688
Supply Voltage3.3V - 5.0V DC
Communication InterfaceI2C, SPI
Temperature Range-40°C to +85°C
Temperature Accuracy±0.5°C
Humidity Range0 - 100% RH
Humidity Accuracy±3% RH
Pressure Range300 - 1100 hPa
Pressure Accuracy±0.6 hPa
VOC SensingIAQ (Indoor Air Quality), bVOCeq
AI SupportBME AI-Studio, BSEC2 Library
Module Dimensions18.0 x 15.6 mm
Module Weight2 g

Frequently Asked Questions

What is the operating voltage range for the BME688 module?

The module operates from 3.3V to 5.0V DC. Ensure your microcontroller's logic levels are compatible, as the sensor's I2C/SPI lines are not 5V tolerant if you are using a 3.3V supply.

How do I use the AI gas analysis feature with this sensor?

Utilize Bosch's BME AI-Studio software to create and train custom gas detection profiles. These profiles can then be deployed using the BSEC2 software library, available for Arduino and other embedded platforms, to enable intelligent VOC identification on-device.

Does the module include pull-up resistors for the I2C interface?

Yes, the Fermion module includes onboard pull-up resistors for the I2C lines (SDA and SCL). This allows for direct connection to your microcontroller without requiring external resistors for standard I2C communication.

What is the purpose of the integrated heating layer?

The micro-hotplate heating layer maintains the gas sensing element at a stable, optimized temperature. This minimizes the influence of ambient temperature fluctuations, ensuring consistent and accurate VOC measurement readings over time and across different environments.

Package Includes

  • 1 x Fermion: I2C BME688 Environmental Sensor Module
  • 1 x XH2.54-10pin Header Strip

Additional Information

Weight 0.002 kg
Dimensions 1.8 × 1.5 cm