SparkFun Indoor Air Quality Combo Sensor - SCD41, SEN55 (Qwiic)
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Combine indoor environmental measurements in a Qwiic project with a board pairing Sensirion SCD41 and SEN55 sensors. The combination measures carbon dioxide, VOCs, nitrogen oxides, particulate matter, temperature and relative humidity. Review sensor setup and calibration requirements, and select a suitable installation location for the variables you want to monitor.
Before you buy
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SparkFun SKU: SEN-25200 · Category: Environmental & air quality sensors
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Official product specifications and documentation
EAR summary based on supplier documentation; this is not a hands-on review. Product identity rechecked during the October 25, 2026 sprint. Current SparkFun Originals eligibility was verified with the supplier’s Original: Yes filter during the October 25, 2026 sprint. Affiliate eligibility remains subject to SparkFun's program terms.

