Skip to content

SparkFun CO2 Humidity and Temperature Sensor - SCD40 (Qwiic)

Parts › Sensors › Gas & Air Quality

SEN-22395 · SparkFun

SparkFun CO2 Humidity and Temperature Sensor - SCD40 (Qwiic) photo

The SparkFun Qwiic CO2 Humidity and Temperature Sensor features the SCD40 CO2 from Sensirion©. (SparkFun SEN-22395)

Part numberSEN-22395
ManufacturerSparkFun
CategorySensors › Gas & Air Quality
Pins4

SparkFun CO2 Humidity and Temperature Sensor - SCD40 (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.

Related parts

Adafruit BME680 - Temperature, Humidity, Pressure and Gas SensorADA3660
Adafruit ENS160 MOX Gas Sensor - Sciosense CCS811 UpgradeADA5606
Adafruit PMSA003I Air Quality BreakoutADA4632
Adafruit SCD-30 - NDIR True CO2 Temperature and Humidity SensorADA4867
Adafruit SGP30 Air Quality Sensor Breakout - VOC and eCO2ADA3709
ENS160
Gravity: Electrochemical Oxygen / O2 Sensor (0-25%Vol, I2C)SEN0322
Gravity: Factory Calibrated Electrochemical CO Sensor (0-1000 ppm, I2C & UART)SEN0466