7Semi BME690 Digital Sensor Nano Breakout Qwiic – Temperature, Humidity, Pressure, Gas | I2C

The 7Semi BME690 Digital Sensor Nano Breakout Qwiic is a compact, four-in-one environmental sensor module combining temperature, humidity, barometric pressure, and gas / VOC / air-quality sensing. It uses the BME690 sensor and provides digital I²C output via a Qwiic-compatible connector for easy plug-and-play integration. This module is suitable for IoT devices, smart-home air-quality monitors, weather stations, environmental tracking, and portable or embedded sensing systems.

Technical Specifications:

• Sensor IC: BME690
  
• Measured Parameters: Temperature, Relative Humidity, Barometric Pressure, Gas (VOC / air-quality)
  
• Temperature Range: –40 °C to +85 °C
  
• Temperature Accuracy: ±0.5 °C (typical)
  
• Humidity Range: 0% to 100% RH
  
• Humidity Accuracy: ±3% RH (typical)
  
• Pressure Range: 300 to 1100 hPa
  
• Pressure Accuracy: ±0.5 hPa (typical)
  
• Gas Sensing: VOC / air-quality detection via gas resistance measurement
  
• Interface: I²C (Qwiic)
  
• Supply Voltage: 1.71 V to 3.6 V (typical 3.3 V logic)
  
• Output Data: Temperature, Humidity, Pressure, Gas resistance / VOC index (with algorithm)
  
• Form Factor: Nano breakout with Qwiic plug-and-play connector

Features:

• Combines four environmental measurement capabilities (temperature, humidity, pressure, gas / VOC) in a single module
  
• Qwiic connector enables solder-free, easy integration with development boards
  
• Digital I²C output for straightforward interfacing with microcontrollers and SBCs
  
• Compact and space-saving design suitable for embedded or IoT devices
  
• Good for indoor air-quality monitoring, environmental sensing, and HVAC/air-purifier control
  
• Low-power operation compatible with battery-powered or always-on systems
  
• Compatible with common microcontrollers — Arduino, ESP32, STM32, Raspberry Pi, etc.
  
• Provides environmental and air-quality data in a unified package
  
• Facilitates rapid prototyping and product integration

Applications:

• Indoor air-quality monitors and VOC detection devices
  
• Smart-home / IoT air-quality and environmental sensors
  
• Weather stations and ambient environment trackers
  
• HVAC and ventilation control systems using environmental feedback
  
• Portable or wearable environmental sensing devices
  
• Environmental data logging and analytics systems
  
• Smart appliances (air purifiers, fans, ventilation controllers) with air-quality awareness
  
• Embedded systems and custom electronics requiring multi-parameter sensing
  
• Research and environmental monitoring instrumentation
  • Rapid prototyping projects combining environmental and air-quality sensing