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BME680 Temperature, Humidity, Pressure and Gas Sensor
Compact 4-in-1 environmental sensor for IoT and air quality monitoring
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Integrated 4-in-1 sensing: gas, pressure, humidity, temperature
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Supports I2C and SPI digital interfaces
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Low power consumption for battery-powered devices
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Key Features
- Integrated 4-in-1 environmental sensor (gas, pressure, humidity, temperature)
- Provides Indoor Air Quality (IAQ) index output
- Supports I2C and SPI digital interfaces for flexible integration
- Designed for ultra-low power consumption in battery devices
- Compact 3.0 × 3.0 × 0.93 mm package for space-saving integration
- Fast response time for real-time environmental monitoring
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Applications
- Indoor Air Quality monitoring in smart homes and offices
- Home automation and IoT-based environmental control
- Weather forecasting and environmental sensing
- GPS enhancement through pressure-based altitude estimation
- Wearable devices for health and fitness tracking
- Smart appliances with environment-based adaptive features
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Specifications
- Package: 3.0 mm × 3.0 mm × 0.93 mm, metal lid LGA
- Digital Interfaces: I2C (up to 3.4 MHz), SPI (3/4-wire up to 10 MHz)
- Supply Voltage: VDD 1.71V–3.6V, VDDIO 1.2V–3.6V
- Operating Range: -40°C to +85°C; Humidity 0–100% r.H.; Pressure 300–1100 hPa
- Current Consumption: 2.1 µA @1Hz (humidity+temperature), 3.1 µA @1Hz
- Gas Sensor: Response <1s, IAQ index output, power <0.1mA ultra-low mode
- Humidity Sensor: Response ~8s, accuracy ±3% r.H., hysteresis ±1.5% r.H.
- Pressure Sensor: RMS noise 0.12 Pa (~1.7 cm), offset coefficient ±1.3 Pa/K