7Semi BME680 Temperature Pressure Humidity and Air Quality Sensor I2C Breakout STEMMA QT / Qwiic

The 7Semi BME680 Temperature, Pressure, Humidity, and Air Quality Sensor I²C Breakout is a compact 4-in-1 environmental sensing module using the Bosch BME680 sensor. It integrates temperature, relative humidity, barometric pressure, and VOC gas sensing for IAQ (Indoor Air Quality) monitoring. The board supports I²C communication and includes a STEMMA QT / Qwiic connector for easy plug-and-play interfacing with development boards and microcontroller platforms. It is ideal for IoT, smart home systems, weather monitoring, and portable environmental sensing applications.

Technical Specifications:

• Sensor Type: Temperature, Humidity, Pressure, VOC Gas
• Operating Temperature: –40 °C to +85 °C
• Humidity Range: 0–100% RH
• Pressure Range: 300–1100 hPa
• Temperature Accuracy: ±1.0 °C typical
• Humidity Accuracy: ±3% RH typical
• Pressure Accuracy: ±1 hPa typical
• Gas Sensor: VOC resistance-based air quality measurement
• Interface: I²C (up to 3.4 MHz) and optional SPI
• Supply Voltage: 1.71 V – 3.6 V
• Typical Current Consumption: 2–3 µA in standard measurement; up to ~12 mA with gas sensor heater
• I/O Level: 3.3 V compatible
• Breakout Integration: STEMMA QT / Qwiic connector and standard pin header pads
• Sensor Package: 3 × 3 × 0.93 mm LGA package

Features:

• Four environmental measurements in one compact module
• Onboard VOC air-quality sensing capability
• STEMMA QT / Qwiic connector for tool-less wiring
• Easy integration using I²C interface
• Low-power design suitable for battery-powered devices
• High measurement accuracy and stability
• Breadboard-friendly breakout format
• Ideal for indoor comfort monitoring and environmental control

Applications:

• Smart home automation and air-quality monitoring
• IoT and wireless sensor networks
• Weather stations and barometric altitude tracking
• HVAC, ventilation and purifier systems
• Indoor environmental health and comfort measurement
• Wearable and portable sensing devices
• Industrial and agricultural monitoring
• Education, prototyping and maker projects