Elevate your IoT designs, smart home systems, and indoor air quality monitors with the BME680/BME688 4-in-1 Environmental Sensor Module. Designed for ultimate flexibility and precision, this compact module combines temperature, humidity, barometric pressure, and advanced gas sensing into a single, solder-free, plug-and-play device using standard STEMMA QT / Qwiic connectors.
Whether you choose the versatile BME680 for standard environmental tracking or the cutting-edge BME688 for AI-driven gas classification, this module delivers robust performance for developers, engineers, and makers alike.
Core Features & Highlights
- 4-in-1 Measurement: Simultaneously measures temperature, humidity, barometric pressure, and volatile organic compounds (VOCs).
- Plug-and-Play Simplicity: Equipped with a STEMMA QT / Qwiic interface for effortless chaining and zero soldering required.
- AI-Driven Gas Scanning (BME688): Leverage integrated AI Studio software support to train machine-learning models capable of classifying up to 14 distinct gas types.
- Low-Power Operation: Optimized energy modes make it ideal for battery-powered remote IoT nodes.
- Open-Source Friendly: Fully supported by robust Arduino and CircuitPython drivers for fast prototyping.
Technical Specifications
BME680 Specifications:
- Temperature Range: –40°C to +85°C
- Humidity Range: 0% to 100% RH
- Pressure Range: 300 hPa to 1100 hPa
- Gas Detection: Detects VOCs and CO₂ equivalents via gas resistance output
BME688 Specifications:
- Enhanced Gas Detection: Supports advanced classification of up to 14 gas profiles
- Software Support: Integrated AI Studio machine learning compatibility
General Specifications:
- Supply Voltage: 3.5V ~ 5V
- Communication Interface: STEMMA QT / Qwiic (selectable I²C addresses:
0x76or0x77) - Module Dimensions: 25.4 mm × 17.8 mm × 5 mm
Primary Applications
- Comprehensive indoor air quality (IAQ) and HVAC monitoring
- Smart home automation and climate control systems
- Remote IoT environmental monitoring and weather stations
- Wearable or portable health, safety, and gas-detection devices
What’s Included
- 1x BME680 or BME688 Environmental Sensor Module (STEMMA QT / Qwiic compatible)
Ready to integrate high-precision environmental and gas sensing into your next project? Order your module today or explore our developer documentation for quick-start Arduino guides!
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