7Semi BME690 Digital Sensor Nano Breakout 2.54mm – Temperature, Humidity, Pressure, Gas | I2C

The 7Semi BME690 Digital Sensor Nano Breakout is a compact environmental sensor board that integrates temperature, humidity, barometric pressure, and VOC/gas sensing in a single module using the BME690 sensor. It communicates over I²C and is suitable for IoT devices, smart-home systems, air-quality monitoring, weather stations, wearable devices, and embedded environmental sensing projects.

Technical Specifications:

• Sensor IC: BME690
  
• Measured Parameters: Temperature, Relative Humidity, Barometric Pressure, Gas (VOCs / 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 digital communication
  
• Supply Voltage: 1.71 V to 3.6 V
  
• Output Data: Temperature, Humidity, Pressure, Gas resistance / VOC indicator / IAQ index (via software algorithm)
  
• Form Factor: Nano-breakout board with 2.54 mm standard header

Features:

• 4-in-1 environmental sensing (temp, humidity, pressure, gas) in a single small module
  
• Digital I²C output — easy to interface with microcontrollers and SBCs
  
• Compact nano break-out form factor — ideal for space-constrained or embedded systems
  
• Supports VOC / gas detection for indoor air-quality monitoring
  
• Low-power operation, suitable for battery-powered or always-on devices
  
• Wide measurement ranges covering typical indoor/outdoor environments
  
• Easy integration with Arduino, ESP32, STM32, Raspberry Pi, and other development boards
  
• Combined environmental and air-quality data useful for smart-home, HVAC, weather, and environmental monitoring systems

Applications:

• Smart-home / IoT environmental sensors and air-quality monitors
  
• Indoor air-quality measurement (VOC, pollution, humidity, temperature)
  
• Weather stations or climate monitoring systems
  
• HVAC and ventilation control systems
  
• Wearable environmental monitors or portable air-quality devices
  
• Environmental data logging projects
  
• Smart appliances (air purifiers, ventilation controllers, smart fans)
  
• Embedded systems needing temperature/humidity/pressure and air-quality sensing
  
• Research or laboratory instrumentation for environmental conditions
  
• Home automation triggers based on environmental and air-quality data