Description
The 7Semi BME690 Digital Sensor Module is a compact 4-in-1 environmental sensor that measures temperature, humidity, barometric pressure, and gas/VOC levels. Built around the Bosch BME690 sensor, it supports I²C and SPI communication, offers low-power operation, and provides accurate, compensated environmental data. It is ideal for IoT devices, smart-home systems, HVAC automation, air-quality monitoring, and portable environmental trackers.
Technical Specifications:
- Sensor IC: BME690
- Measurement Parameters: Temperature, Humidity, Pressure, Gas (VOC)
- Temperature Range: –40°C to +85°C
- Temperature Accuracy: ±0.5°C
- Humidity Range: 0% to 100% RH
- Humidity Accuracy: ±3% RH
- Pressure Range: 300 to 1100 hPa
- Pressure Accuracy: ±0.5 hPa
- Gas Sensing: VOC measurement via gas-resistance output
- Communication Interfaces: I²C up to 3.4 MHz, SPI 3-wire/4-wire
- Supply Voltage: 1.71V to 3.6V
- Output Data: Temperature, Humidity, Pressure, Gas Resistance, IAQ Index (with algorithm)
- Power Modes: Low-power and ultra-low-power gas sensing
Features:
- 4-in-1 measurement: temperature, humidity, pressure, VOC gas
- Digital output—easy to interface with microcontrollers
- Compact breakout module for embedded and IoT applications
- Gas sensing for indoor air-quality and VOC detection
- Compensation algorithms for stable, long-term performance
- Low-power operation ideal for battery-powered devices
- Supports I²C and SPI communication
- Wide operating range for indoor/outdoor use
- Compatible with Arduino, ESP32, STM32, Raspberry Pi
- Provides advanced IAQ metrics when paired with software algorithms
Applications:
- Air-quality monitoring (homes, offices, industry)
- Smart-home IoT environmental sensing
- Weather and climate monitoring devices
- HVAC and ventilation control systems
- Wearable and portable air-quality trackers
- Environmental data logging
- Smart appliances like air purifiers and smart fans
- Indoor pollution detection and VOC monitoring
- Embedded systems requiring multi-parameter sensing
- Research and prototyping projects involving air quality