7Semi SCD41 CO2, Temperature, and Humidity Sensor Breakout Mini: Unlock Precise Environmental Monitoring with 7Semi SCD41 Mini Breakout Sensor
Achieve unparalleled accuracy in CO2, temperature, and humidity measurement with the 7Semi SCD41 CO2, Temperature, and Humidity Sensor Breakout Mini. This advanced sensor integrates the cutting-edge Sensirion SCD41, providing high CO2 accuracy across an extended measurement range and optimized low power modes. Its compact design and I2C digital interface allow seamless connectivity with any microcontroller, making it an ideal choice for various applications.

With an operating voltage of 5V and fully calibrated, linearized outputs, this sensor ensures reliable performance. The 7Semi SCD41 leverages photoacoustic NDIR sensing technology, complemented by Sensirions patented PASens and CMOSens technologies, to deliver exceptional precision in a small form factor.
Features:
High CO Accuracy:

Measurement range: 400-5,000 ppm
400-1,000 ppm: (50 ppm + 2.5% of reading)
1,001-2,000 ppm: (50 ppm + 3% of reading)
2,001-5,000 ppm: (40 ppm + 5% of reading)

Humidity Measurement:

Typical relative humidity accuracy: 6 %RH
Operating range: 0 – 95 %RH
Response time (63%): 90 seconds

Temperature Measurement:

Typical temperature accuracy: 0.8 C
Operating range: -10 – 60 C
Response time (63%): 120 seconds

Compact and Efficient Design:

Fully calibrated and linearized

I2C digital interface for easy integration

Board dimensions: 20mm x 20mm

Resources

SCD41 Datasheet
User Guide and sample code

SCD41 mini Breakout Dimensions

SCD41 carbon dioxide sensor Breakout I2C Arduino Connections