Gas & Air Quality Sensors

SKU: SF-SEN-22396 | Brand: SparkFun

This SparkFun CO2 Humidity and Temperature Sensor features the next-generation SCD41 photoacoustic CO2 sensor for high-accuracy environmental readings. The SCD41 uses Sensirion's PASens® photoacoustic measurement syst...

SKU: SF-SEN-20844 | Brand: SparkFun

The SparkFun ENS160 Indoor Air Quality Sensor is a digital multi-gas sensor solution with four sensor elements that can be used in a wide range of applications including building automation, smart home, and HVAC. The ...

SKU: SF-SEN-22956 | Brand: SparkFun

The SparkFun Photoacoustic Spectroscopy CO2 Sensor features the Infineon XENSIV PAS CO2 (PASCO2V01) sensor, which delivers highly accurate CO2 measurements in direct parts-per-million (ppm) format. The photoacoustic s...

SKU: AF-6331 | Brand: Adafruit

The Adafruit SEN6x Breakout lets you quickly connect a Sensirion SEN66 (or other SEN6x) environmental sensor node to any microcontroller or single-board computer via STEMMA QT / Qwiic — no soldering or breadboarding r...

SKU: SF-SEN-22858 | Brand: SparkFun

A combined air quality and environmental sensor breakout featuring the ENS160 (air quality index, eCO2, TVOCs) and BME280 (temperature, humidity, barometric pressure) on a single Qwiic-enabled board. The two sensors w...

SKU: SF-SEN-22395 | Brand: SparkFun

The SparkFun SCD40 breakout board measures CO₂ concentration, humidity, and temperature using Sensirion's PASens photoacoustic measurement technology. The sensor detects CO₂ from 0 to 40,000 ppm with high accuracy ove...

SKU: SF-KIT-20684 | Brand: SparkFun

The Air Quality Monitoring version of the SparkFun OpenLog Data Collector Kit with Machinechat is an easy way to organize and display your data from an included SGP40 Qwiic Air Quality Sensor with the OpenLog Artemis ...

SKU: AF-6478 | Brand: Adafruit

This compact breakout combines the STCC4 CO2 sensor with a Sensirion SHT41 temperature and humidity sensor for convenient indoor air monitoring. The STCC4 measures true CO2 using a thermal conductivity method rather t...

SKU: SF-SEN-25200 | Brand: SparkFun

Build a detailed indoor air monitor with this Qwiic combo board, pairing Sensirion’s SCD41 CO2 sensor with the SEN55 environmental sensor node. Together they measure CO2, volatile organic compounds (VOCs), particulate...

SKU: AF-6455 | Brand: Adafruit

Build a digital nose for indoor air quality projects with this SGP41 gas sensor breakout. The Sensirion SGP41 is a fully integrated MOX gas sensor with I2C interfacing, so you do not need to manage heater control or a...

SKU: SF-SEN-29260 | Brand: SparkFun

Measure high concentrations of carbon dioxide with a Qwiic breakout built around Sensirion’s STC31 sensor. It is designed for CO2 measurements up to 100% volume, using a thermal conductivity measurement principle and ...