Bosch BME688 4-in-1 Environmental Sensor - Temperature, Humidity, Pressure & AI Gas Detection, I2C/SPI
Bosch BME688 4-in-1 Environmental Sensor - Temperature, Humidity, Pressure & AI Gas Detection, I2C/SPI - Image 2
Bosch BME688 4-in-1 Environmental Sensor - Temperature, Humidity, Pressure & AI Gas Detection, I2C/SPI - Image 3
SKU: SENS-3491
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Bosch BME688 4-in-1 Environmental Sensor - Temperature, Humidity, Pressure & AI Gas Detection, I2C/SPI

₹1,119.00 (Inclusive of all taxes)
Out of Stock

The Bosch BME688 is a compact 4-in-1 environmental sensor module integrating high-accuracy temperature, humidity, barometric pressure, and AI-powered gas sensing (VOCs, VSCs, CO, Hâ‚‚). It features I2C and SPI digital interfaces for seamless integration with microcontrollers like Arduino, Raspberry Pi, ESP32, and STM32, making it ideal for advanced IoT and smart device applications.

Features

  • AI-powered gas sensor detects VOCs, VSCs, CO, and Hâ‚‚ at part-per-billion (ppb) levels.
  • Integrated high-accuracy sensors for temperature, relative humidity, and barometric pressure.
  • Ultra-low power consumption with configurable operational modes for battery-powered devices.
  • Compact 3.0 x 3.0 x 0.93 mm LGA package suitable for space-constrained designs.
  • Dual digital communication interfaces: I2C and SPI for flexible system integration.

Out of stock

Description

The Bosch BME688 represents a significant advancement in integrated environmental sensing, combining a sophisticated metal-oxide (MOX) gas sensor with precise MEMS-based sensors for temperature, humidity, and pressure. Its integrated AI core allows for customizable gas scanning profiles, enabling the sensor to learn and identify specific gas patterns for applications like air quality indexing and early warning systems. The sensor’s high sensitivity and selectivity are achieved through advanced micro-machining and signal conditioning.

Designed for robustness in connected applications, the BME688 operates across a wide temperature range from -40°C to +85°C and a pressure range of 300 hPa to 1100 hPa. Its ultra-low power architecture supports multiple power modes, including a deep sleep mode, making it exceptionally suitable for mobile, wearable, and battery-operated IoT nodes. The module’s fast response time and stable output ensure reliable data for real-time monitoring and control systems.

Key Features

  • AI-Enabled Gas Sensing: Proprietary algorithm supports detection and classification of volatile organic compounds (VOCs), volatile sulfur compounds (VSCs), carbon monoxide, and hydrogen.
  • High-Precision Multi-Parameter Sensing: Delivers accurate environmental data from four independent sensing elements on a single chip.
  • Configurable via BME AI-Studio: Software tool allows deep customization of gas scan parameters and AI model training for specific use cases.
  • Optimized Power Management: Features multiple operational modes (including forced, parallel, and sequential modes) to minimize average current consumption.
  • Robust Digital Interface: Supports both I2C (up to 3.4 MHz) and SPI (up to 10 MHz) communication protocols for reliable data transmission.
  • Industry-Leading Miniaturization: Extremely compact LGA package enables integration into the smallest form-factor devices.
  • Wide Operational Range: Guaranteed performance across extended industrial temperature and pressure ranges.

Applications

  • Smart HVAC and building automation systems for indoor air quality (IAQ) monitoring and demand-controlled ventilation.
  • Portable and wearable health & wellness devices for personal environmental exposure tracking.
  • Advanced IoT nodes in smart agriculture for greenhouse condition monitoring (climate & gas).
  • Early detection systems for gas leaks or air quality deterioration in smart homes and offices.
  • Integration into automotive cabin air quality management and battery condition monitoring systems.

Technical Specifications

Manufacturer Part NumberBME688
Sensor Type4-in-1 Environmental (Gas, Pressure, Temperature, Humidity)
Gas Detection TypesVOCs, VSCs, CO, Hâ‚‚
Pressure Range300 hPa ~ 1100 hPa
Operating Temperature-40°C to +85°C
Supply Voltage1.2 V to 3.6 V DC
Digital InterfaceI2C, SPI
Package TypeLGA
Package Dimensions (L x W x H)3.0 mm x 3.0 mm x 0.93 mm
Typical Response Time10.8 ms

Frequently Asked Questions

What gases can the Bosch BME688 sensor detect?

The BME688's AI-powered metal-oxide gas sensor is designed to detect a wide range of gases at part-per-billion levels, including Volatile Organic Compounds (VOCs), Volatile Sulfur Compounds (VSCs), carbon monoxide (CO), and hydrogen (Hâ‚‚). Its integrated AI allows it to learn and identify patterns specific to these gas types.

What are the power supply requirements for the BME688?

The BME688 operates from a supply voltage range of 1.2V to 3.6V DC, making it compatible with both 3.3V and lower-voltage battery systems. It features multiple ultra-low power modes, including a deep sleep state, to minimize average current consumption in battery-powered IoT applications.

How do I communicate with the BME688 sensor module?

The module provides two standard digital communication interfaces: I2C and SPI. You can select the preferred interface via a dedicated chip select (CSB) pin. This dual-interface support offers flexibility for integration with various host microcontrollers like Arduino, ESP32, Raspberry Pi, and STM32.

Is there software available to configure the BME688's AI features?

Yes, Bosch provides the BME AI-Studio software tool. It allows developers to customize gas scanning parameters, define specific measurement profiles, and train the integrated AI for targeted gas detection scenarios, optimizing the sensor for specific applications like air quality indexing.

What is the physical size and package of the BME688 sensor?

The sensor is housed in an extremely compact Land Grid Array (LGA) package measuring just 3.0 mm x 3.0 mm with a height of 0.93 mm. This miniature size is designed for direct integration onto PCBs in space-constrained mobile, wearable, and IoT devices.

Package Includes

  • 1 x Bosch BME688 Sensor Module

Additional Information

Weight 0.002 kg
Dimensions 0.3 × 0.3 × 0.093 cm

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