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Qwiic Air Quality Sensor - SGP40

SPX-17729 · SparkFun

Qwiic Air Quality Sensor - SGP40 photo

(SparkFun SPX-17729)

Part numberSPX-17729
ManufacturerSparkFun
CategorySensors › Gas & Air Quality
Pins4

Qwiic Air Quality Sensor - SGP40 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.

Where to buy

SupplierStockPriceStatus
Mouser0—View

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

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