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Gas

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Adafruit ENS160 MOX Gas Sensor Breakout

ScioSense ENS160 MOX multi-gas sensor on STEMMA QT/Qwiic breakout. 3–5 V input with 3.3 V regulator and level shifting. I2C default 0x53, alt 0x52; SPI pads present.

AdafruitGasI2C targetSPI target

Price

$21.95

2 assets

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Sensors

MQ135 Air Quality Sensor Breakout Board

MQ135GasAnalog OutputDigital Output

Price

$5.09

2 assets

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Sensors

ScioSense ENS161 MOX Gas Sensor

Digital metal-oxide multi-gas sensor with on-chip eCO2, eTVOC, AQI processing, humidity and temperature compensation, and selectable I2C or SPI host interfaces.

ScioSenseGasI2C targetSPI target

Price

$4.83

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Sensors

Sensirion SGP41 VOC and NOx Gas Sensor

Digital dual-channel MOx indoor-air-quality sensor with separate VOC and NOx raw signals, a fixed-address I2C interface, and host-side Gas Index Algorithm support.

SensirionGasI2C targetPower supply

Price

$5.71

2 assets

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