SKU: SENS-2927
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DFRobot BME688 AI Environmental Sensor VOC Temp Humidity Pressure - I2C/SPI

₹2,339.00 (Inclusive of all taxes)
Out of Stock

The DFRobot Gravity BME688 is a high-precision MEMS environmental sensor module compatible with 3.3V/5V logic systems like Arduino and Raspberry Pi. It provides integrated measurement of temperature, humidity, barometric pressure, and volatile organic compounds (VOCs) with AI-driven gas analysis for advanced air quality assessment.

Features

  • Integrated MEMS sensor measures temperature, humidity, pressure, and VOCs in a single module.
  • AI-driven gas analysis enables advanced air quality profiling and specific gas detection.
  • High measurement accuracy: ±0.5°C (temperature), ±3% RH (humidity), ±0.6 hPa (pressure).
  • Dual I2C/SPI digital communication interface for easy integration with microcontrollers.
  • Low power consumption of 5mA, suitable for portable and battery-powered applications.

Out of stock

Description

The DFRobot Gravity BME688 Environmental Sensor leverages a sophisticated MEMS platform from Bosch Sensortec to deliver multi-parameter environmental sensing. Its integrated micro-hotplate technology enables precise detection of volatile organic compounds (VOCs) alongside standard temperature, humidity, and barometric pressure readings. The onboard AI engine allows for gas profile learning and classification, moving beyond simple concentration measurement.

Designed for stable operation in diverse environments, the sensor features an enhanced heating layer for consistent performance. Its digital I2C/SPI output provides calibrated, ready-to-use data, simplifying integration into IoT nodes, smart home systems, and portable monitoring devices without requiring complex analog signal conditioning.

Key Features

  • Quad-parameter sensing: temperature, relative humidity, barometric pressure, and VOC gas index.
  • Integrated AI for gas scanning and profile recognition, supporting advanced air quality algorithms.
  • High-accuracy Bosch MEMS sensor core with factory calibration for reliable data.
  • Wide operating voltage range from 3.3V to 5V DC, compatible with most development platforms.
  • Compact PCB footprint of 22 x 30 mm with standard Gravity-series connector for plug-and-play use.
  • Low power consumption design ideal for always-on environmental monitoring nodes.
  • Stable performance across an extended temperature range supported by an internal heating element.

Applications

  • Indoor air quality (IAQ) monitors for smart homes and office buildings.
  • Portable environmental data loggers and personal exposure tracking devices.
  • DIY weather stations with integrated atmospheric pressure and humidity sensing.
  • HVAC system control and demand-controlled ventilation based on VOC levels.
  • Agricultural and greenhouse climate monitoring for optimal growth conditions.

Technical Specifications

ParameterSpecification
Operating Voltage3.3V to 5V DC
Power Consumption5 mA (typical)
Communication InterfaceI2C / SPI
Temperature Accuracy±0.5°C (0 to 65°C)
Humidity Accuracy±3% RH (20 to 80% RH at 25°C)
Pressure Accuracy±0.6 hPa (300 to 1100 hPa, 0 to 65°C)
Sensor TypeMEMS (Bosch BME688)
Dimensions (PCB)22 x 30 mm

Frequently Asked Questions

What is the operating voltage range for the DFRobot BME688 sensor?

The module operates from 3.3V to 5V DC, making it directly compatible with common microcontroller platforms like Arduino (5V) and Raspberry Pi/ESP32 (3.3V) without requiring a logic level shifter.

Does this sensor require calibration, and what communication protocols does it support?

The Bosch BME688 MEMS sensor is factory calibrated, providing accurate readings out of the box. It communicates via standard digital I2C and SPI interfaces, allowing for easy wiring and library integration with most development boards.

What does the 'AI-driven gas analysis' feature on the BME688 actually do?

The AI feature refers to the sensor's ability to run gas scanning algorithms and learn specific gas profiles. It can classify different VOC mixtures and air quality states, providing more insightful data than a simple raw gas resistance reading.

Can this sensor be used for outdoor weather station applications?

Yes, its barometric pressure, temperature, and humidity sensing capabilities are suitable for weather stations. However, for prolonged outdoor use, consider a protective enclosure as the module itself is not IP-rated for direct water exposure.

Package Includes

  • 1 x DFRobot Gravity BME688 AI Environmental Sensor Module

Additional Information

Weight 0.035 kg
Dimensions 6 × 6 × 3 cm