PIMORONI BME688 4-in-1 Air Quality Breakout (Gas, Temperature, Pressure, Humidity)


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Approx Restocking Date: 25 to 30 Days
SKU: 1243055
  1. Model: BME688
  2. Product:  4-in-1 Air Quality Breakout (Gas, Temperature, Pressure, Humidity)
  3. Operating Voltage: 1.71V to 3.6V
  4. Operating Current: 3.1µA
  5. Dimension: 3.0 mm x 3.0 mm x 0.93 mm


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Category: Gas and Dust Sensor

The BME688 is the first gas sensor with Artificial Intelligence (AI) and integrated high-linearity and high-accuracy pressure, humidity and temperature sensors. It is housed in a robust yet compact 3.0 x 3.0 x 0.9 mm³ package and especially developed for mobile & connected applications where size and low power consumption are critical requirements. The gas sensor can detect Volatile Organic Compounds (VOCs), volatile sulfur compounds (VSCs) and other gases such as carbon monoxide and hydrogen in the part per billion (ppb) range.

Additionally to all features of the BME680, the BME688 has a gas scanner function. In standard configuration, the presence of VSCs is being detected as indicator for e.g. bacteria growth. And the gas scanner can be customized with respect to sensitivity, selectivity, data rate and power consumption as well. The BME AI-Studio tool enables customers to train the BME688 gas scanner on their specific application, like in home appliances, IoT products or Smart Home.


  1. Bad breath or spoiled food detection based on the measurement of volatile sulfur compounds, which are an indicator of bacteria growth
  2. Detection of unusual gases and smells, which might indicate for instance a leakage or fire
  3. Diaper state detection, e.g. for baby care
  4. Early detection of odors & bad smells
  5. Wildfire detection
  6. Reverse polarity protection (on Breakout Garden connector)
  7. Raspberry Pi-compatible pinout (pins 1, 3, 5, 7, 9)
  8. Compatible with Arduino
  9. Compatible with Raspberry Pi (Python library)
  10. Compatible with Raspberry Pi Pico (C++/Micro Python libraries)

Packages Includes:

1 x PIMORONI BME688 4-in-1 Air Quality Breakout (Gas, Temperature, Pressure, Humidity)

SKU: 1243055 Category:


Product Type

4-in-1 Air Quality Breakout (Gas, Temperature, Pressure, Humidity)

Operating Voltage (V)

1.71 V to 3.6 V

Operating Current (A):

3.1 µA


I²C (up to 3.4 MHz) and SPI (3 and 4 wire, up to 10 MHz

Operating Temperature (°C)

-40 to +85 °C

Standard Scan Speed

10.8 s / scan

Power Consumption (Watt)

< 0.1 mA in ultra-low power mode

Accuracy tolerance

±3% r.H.

Response time

~8 s

Dimensional Accuracy (mm):

3.0 mm x 3.0 mm x 0.93 mm

Shipping Weight 0.004 kg
Shipping Dimensions 6 × 4 × 1 cm

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Country Of Origin: United Kingdom

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