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SparkFun Indoor Air Quality Combo Sensor - SCD41, SEN55 (Qwiic)

SEN-25200 · SparkFunActive

SparkFun Indoor Air Quality Combo Sensor - SCD41, SEN55 (Qwiic) photo

Simplify environmental monitoring with this all-in-one combo sensor to track CO 2 , particulate matter, VOCs, NO x , temperature, and humidity over I 2 C communication via Qwiic. (SparkFun SEN-25200)

Part numberSEN-25200
ManufacturerSparkFun
CategorySensors › Gas & Air Quality
Pins4

SparkFun Indoor Air Quality Combo Sensor - SCD41, SEN55 (Qwiic) pinout

PinNameTypeDescription
1GNDground
23V3power
3SDAbidirectional
4SCLinput

Schematic symbol and footprint

3V32SCL4SDA3GND1
Schematic symbol
1234MPMP
Footprint: JST-SH 4-pin SMD right-angle (SM04B-SRSS-TB) - Qwiic / STEMMA QT — to scale, pad 1 in yellow (mm). Check against the datasheet before ordering PCBs.

Datasheet

Where to buy

SupplierStockPriceStatus
Mouser0—View
DigiKey3$186.48 (1+)ActiveView

Stock and prices from the suppliers, checked 2026-10-08; excluding tax and shipping.

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