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Adafruit STCC4 and SHT41 - CO2, Temperature & Humidity Sensor

ADA6478 · AdafruitActive

Adafruit STCC4 and SHT41 - CO2, Temperature & Humidity Sensor photo
Adafruit STCC4 and SHT41 - CO2, Temperature & Humidity Sensor illustration

Adafruit product #6478 — built on STCC4, SHT41, CO2.

Part numberADA6478
ManufacturerAdafruit
CategorySensors › Gas & Air Quality
Pins6

Adafruit STCC4 and SHT41 - CO2, Temperature & Humidity Sensor pinout

PinNameTypeDescription
1VCCpower
23.3Vpower
3GNDground
4SCLbidirectional
5SDAbidirectional
6ADDRbidirectional

Schematic symbol and footprint

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Footprint: Adafruit STCC4 and SHT41 CO2 Temperature and Humidity Sensor (header pads) — to scale, pad 1 in yellow (mm). Check against the datasheet before ordering PCBs.

Where to buy

SupplierStockPriceStatus
Mouser1$27.50 (1+)New at MouserView
DigiKey33$27.50 (1+)ActiveView

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

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