DFRobot Gravity SCD41 Infrared CO2 Sensor Module (400–5000 ppm) - I2C Interface
The DFRobot Gravity SCD41 is a high-precision, low-power CO2 sensor module based on Sensirion’s photoacoustic NDIR technology, providing simultaneous CO2, temperature, and humidity readings via I2C interface. It is designed for seamless integration with Arduino, Raspberry Pi, ESP32, and other 3.3V/5V microcontroller platforms.
Features
- High-accuracy CO2 sensing from 400 to 5000 ppm using Sensirion’s PAsens® and CMOSens® technology.
- Integrated temperature and humidity sensor for on-chip signal compensation and environmental monitoring.
- Ultra-low power operation with an average current consumption of less than 4mA.
- Compact form factor (32 x 27 x 8 mm) ideal for space-constrained indoor air quality applications.
- Simple plug-and-play connectivity via Gravity-4P I2C/UART cable and standard I2C address (0x62).
Out of stock
The DFRobot Gravity SCD41 CO2 Sensor leverages Sensirion’s advanced photoacoustic NDIR (Non-Dispersive Infrared) sensing principle. An infrared emitter pulses light, which is absorbed by CO2 molecules within the sealed measurement chamber, creating a pressure wave proportional to the gas concentration. A built-in microphone detects this acoustic signal, while integrated CMOSens® technology provides precise signal processing and compensation using concurrent temperature and humidity data.
This sensor module is engineered for long-term stability and minimal drift, making it suitable for continuous monitoring applications. Its low power profile and wide 3.3V to 5V supply voltage range ensure compatibility with battery-powered and mains-operated systems alike, from smart home devices to industrial HVAC controls.
Additional Information
| Weight | 0.013 kg |
|---|---|
| Dimensions | 3.2 × 2.7 × 0.8 cm |
