BME680 Digital Temperature Humidity Pressure Sensor
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The Story
The BME680 is a compact environmental sensor from Bosch that measures temperature, humidity, barometric pressure, and indoor air quality (IAQ) via a gas sensor. It supports I2C and SPI interfaces, making it ideal for IoT and smart home projects. With low power consumption and high accuracy, it enables precise environmental monitoring in a wide range of applications.
add_circle The Upside
- check Combines multiple sensors in one package, saving space
- check Low power consumption suitable for battery-powered devices
- check Provides IAQ index for air quality monitoring
remove_circle The Downside
- close Gas sensor requires calibration for accurate IAQ readings
- close Not suitable for high-pressure environments beyond 1100 hPa
- close Limited to 3.6V maximum supply voltage
Specifications & features
Key features
- check_circle Integrated temperature, humidity, pressure, and gas sensing
- check_circle I2C (up to 3.4 MHz) and SPI (up to 10 MHz) interfaces
- check_circle Low power consumption: 2.1 µA at 1 Hz for humidity and temperature
- check_circle Indoor air quality (IAQ) index output
- check_circle Operating temperature range: -40°C to +85°C
Specifications
Communication Interface
I2C (up to 3.4 MHz), SPI (up to 10 MHz)
Current Consumption (1 Hz all)
3.7 µA
Current Consumption (1 Hz humidity & temp)
2.1 µA
Current Consumption (1 Hz pressure & temp)
3.1 µA
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