RT-BME680 IAQ Environmental Sensor

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RT-BME680 is an evaluation module of enviromental conditions. Module can measure the Indoor Air Quality, pressure, humidity and temperature. BOSCH BME680 sensor itegrates the transducers with an analog-digital converter and a control logic with I2C/SPI interface.

Evaluation module RT-BME680 was designed for user of the evaluation tools and SBC (Single Board Computers) like ARDUINO, Raspberry, Nucleo. Module has voltage shifter circuit for compatbility with 3.3V and 5.0V standard logic.

RT-BME680 has an EN_LDO disable pin which lets to turn on the voltage regulator short before the measurement. This saves energy and reduce influence of the voltage regulator themperature on the temperature measurements.

BME680 is an integrated environmental low power sensor designed for long term stability and EMC robustness. The BME680 integrates high-linearity and high-accuracy gas, pressure, humidity and temperature sensors.

Air Quality, Gas sensor

The gas sensor within the BME680 detects a range of gases to measure indoor air quality (IAQ) index. Gases that can be detected include Volatile Organic Compounds (VOC) from paints (such as formaldehyde), lacquers, paint strippers, cleaning supplies, furnishings, office equipment, glues, adhesives and alcohol.

Sensor check air content for test gases: Ethanol(EtOH), Ethane, Isoprene/2-methyl-1,3Butadiene, Acetone, Carbon Monoxide.

Pressure sensor

Pressure measurement range: 300-1100 hPa
Pressure measurement accuracy: 0.6 hPa
Pressure measurement resolution: 0.18 Pa
Sampling rate: 182Hz

Humidity sensor

Humidity measurement range: 0-100%
Humidity measurement accuracy: +/-3 %r.H
Humidity measurement resolution: 0.008 %r.H

Temperature sensor

Temperature measurement range: -40-85 oC
Temperature measurement accuracy: 0.5 oC
Temperature measurement resolution: 0.01 oC

RT-BME680 electrical specification

Sleep current: 0.15 uA
Standby current: 0.29uA
Current during humidity measurement: 340uA
Current during pressure measurement: 714uA
Current during temperature measurement: 35uA
Current during IAQ measurement 0.09-12 mA

  • Smart air purifiers
  • Personal IAQ monitor in home/office/school
  • Weather stations
  • Air conditioners
  • IoT recorder IAQ/humidity/pressure/temperature

BME680 Product page
BME680 Datasheet
BSEC Software: https://www.bosch-sensortec.com/bst/products/all_products/bsec

Product specification (coming soon)

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Module pinout (coming soon)

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Circuit diagram (coming soon)

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Mechanical Drawing (coming soon)

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Assembly Drawing (coming soon)

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