Environmental Sensor - BME688 - Temperature, humidity, pressure and gas sensor - SparkFun SEN-19096

Index: SPF-21283
The module combines temperature , humidity , barometric pressure and gas sensors. It enables the detection of volatile organic compounds (VOCs), volatile sulfur compounds (VSCs) and other gases such as carbon monoxide and hydrogen. BME688 can act as a comprehensive environmental sensor. The advantage of the product is its small size. The sensor can use the I2C or SPI communication interfaces. There are two Qwiic connectors on the board.
Environmental Sensor - BME688 - Temperature, humidity, pressure and gas sensor - SparkFun SEN-19096
€40.90
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Manufacturer: SparkFun
Compatibility: Arduino

Product description: Environmental sensor - BME688 - temperature, humidity, pressure and gas sensor - SparkFun SEN-19096

The module combines temperature , humidity , barometric pressure and gas sensors . It enables the detection of volatile organic compounds (VOCs), volatile sulfur compounds (VSCs) and other gases such as carbon monoxide and hydrogen. BME688 can act as a comprehensive environmental sensor. The advantage of the product is its small size. The sensor can use the I2C or SPI communication interfaces. There are two Qwiic connectors on the board.

The manufacturer provides a detailed user manual and the Arduino library for the product.


Environmental sensor - BME688 - temperature, humidity, pressure and gas sensor .

Environmental sensor BME688 - SparkFun SEN-19096


Qwiic BME688 environmental sensor - SparkFun SEN-19096 .

Qwiic ecosystem - what is it?

Qwiic Connect by SparkFun is an ecosystem of sensors based on the I2C communication bus, actuators, and cables with dedicated plugs. This solution simplifies the prototyping process. All boards supporting Qwiic use a common, 4-pin JST connector with a spacing of 1 mm. This reduces the amount of space required on the PCB. It also protects against incorrect connection.

The pins of the module

The sensor has two built-in Qwiic connectors , allowing you to easily use the product in projects based on the Qwiic ecosystem. BME688 also has outputs in the form of solder pads:

  • SDO - serial data output of the SPI bus
  • CSB - Chip Select pin
  • 3v3 - supply voltage
  • GND - the ground of the system
  • SDA - data line of the I2C bus
  • SCL - clock line of the I2C bus

Details are available in this section of the user guide.

To avoid incorrect reading of the gas sensor data, do not touch the metal housing of the BME688 sensor.

The layout of the elements on the module

The layout of the elements on the module .

Environmental sensor - BME688 with Qwiic connectors

Environmental sensor - BME688 with Qwiic connectors .

Environmental sensor specification - BME688 - SparkFun SEN-19096

  • Supply voltage: 1.71 V to 3.6 V (3.3 when using the Qwiic connector)
  • Current:
    • 2.1 µA to 18 mA
    • 0.15 µA (sleep mode)
    • 3.9 mA in standard gas scan mode
  • I2C interface (with Qwiic support):
    • I2C addresses: 0x76 (default) or 0x77
    • two Qwiic connectors
  • Moisture measurement:
    • measuring range: from 0% to 100%
    • absolute accuracy: ± 3% RH
    • resolution: ± 0.008% RH
  • Temperature measurement:
    • measuring range: -40 ° C to + 85 ° C
    • absolute accuracy: ± 1 ° C
    • resolution: 0.01 ° C
  • Pressure Measurement:
    • measuring range: from 300 hPa to 1100 hPa
    • absolute accuracy: ± 60 Pa (from 0 ° C to 65 ° C)
    • resolution: 0.18 Pa
  • Gas detection
    • F1 result for the H₂S scan: 0.92
    • standard scanning speed: 10.8 sec / scan
    • Sensor-to-sensor deviation: ± 15% ± 15
  • Dimensions: 21 x 21 x 5 mm

Kit contents

  • Environmental sensor - BME688 - temperature, humidity, pressure and gas sensor - SparkFun SEN-19096

Sensor - type temperature, humidity, pressure
Package width 5 cm
Package height 7.5 cm
Package depth 0.5 cm
Package weight 0.003 kg

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Environmental Sensor - BME688 - Temperature, humidity, pressure and gas sensor - SparkFun SEN-19096

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