7Semi BME688 Environmental Sensor Breakout

The 7Semi BME688 Environmental Sensor Breakout is a compact 4-in-1 sensing module built around the Bosch BME688 sensor. It combines temperature, humidity, barometric pressure, and gas sensing for indoor air-quality monitoring. The BME688 expands on the capabilities of the BME680 by adding advanced gas-scanner functionality and AI-based gas classification support. This breakout board is ideal for IoT, smart home, industrial monitoring, and portable applications requiring high-accuracy multi-parameter environmental data.

Technical Specifications:

• Sensor Type: Temperature, Humidity, Pressure, VOC Gas detection
• Operating Temperature: –40 °C to +85 °C
• Humidity Range: 0–100% RH
• Pressure Range: 300–1100 hPa
• Temperature Accuracy: ±0.5 °C typical
• Humidity Accuracy: ±3% RH typical
• Pressure Noise: ~0.12 Pa RMS (approx.)
• Gas Sensor: VOC and VSC sensing, AI-based gas classification capability
• IAQ and CO₂-equivalent output support
• Interface: I²C and SPI
• Current Consumption:
• Sleep ~0.15 µA
• Ultra-low-power mode ~90 µA
• Standard gas-scan mode ~9-12 mA
• Supply Voltage: 1.71 V – 3.6 V
• Logic Level: 3.3 V
• Sensor Package: 3 × 3 × 0.93 mm LGA
• Breakout Features: I²C compatible connector and header pins (varies by board variant)

Features:

• 4-in-1 environmental sensor measuring temperature, humidity, pressure, and indoor air quality
• Integrated gas sensor for VOC and VSC detection
• AI-enabled gas classification for custom trained sensing profiles
• Very low-power modes suited for battery-driven systems
• Compact breakout format ideal for embedded and portable devices
• Supports I²C and SPI communication for easy microcontroller integration
• High-precision sensing enabling advanced environmental monitoring
• Plug-and-play integration with popular IoT platforms

Applications:

• Smart home and indoor air-quality monitoring
• IoT environmental monitoring nodes
• Portable and wearable health sensing devices
• HVAC and air filtration control systems
• • Weather and atmospheric research instrumentation
• • Robotics and autonomous indoor systems
• • Industrial and agricultural environmental monitoring
• • Intelligent ventilation and safety systems