1pcs SCD41 2-in-1 Gas Sensor Module - Accurate CO₂, Temperature & Humidity Detection via I2C, 400-5000 ppm Range

Product DescriptionSCD41 High-Precision 2-in-1 Gas Sensor Module for Indoor Air Quality ManagementMulti-Parameter Sensing:CO?: Measures concentrations from 400–5000 ppm with high accuracy (±40 ppm + 5% of measured value), essential for detecting ventilation needs in offices, classrooms, and homes.Temperature & Humidity: On-chip sensors provide real-time humidity (0–95%RH, ±6%RH typical) and temperature compensation, ensuring stable readings across diverse environments.Efficient Power Management:Operates at low power (<0.4 mA average at 5V) with a measurement cycle of 1 reading every 5 minutes, suitable for battery-driven devices or continuous monitoring setups.Plug-and-Play Connectivity:Standard I2C interface with 2.54mm pitch pins (GND, VDD, SCL, SDA) allows easy integration for Arduino, Raspberry Pi, and other microcontrollers.Fixed I2C address for straightforward setup in multi-sensor networks.Robust Design:Compact form factor with leadless SMD package (dimensions not specified in original content) for space-constrained applications.Built-in temperature and humidity compensation eliminates the need for external calibration.Applications:Indoor Air Quality: Monitors CO? levels to optimize ventilation in offices, schools, and residential spaces.Industrial & Commercial: Supports environmental control in warehouses, greenhouses, and smart buildings.IoT & DIY Projects: Ideal for prototyping with easy-to-use I2C communication and low power consumption.Technical SpecificationsCO? Measurement Range: 400–5000 ppmCO? Accuracy: ±(40 ppm + 5% of measured value)Humidity Range: 0–95%RHHumidity Accuracy: ±6%RH (typical)Power Supply: 2.4–5.5V (compatible with 5V systems, as specified in low-power section: <0.4 mA @5V)Interface: I2C (standard 100kHz, fast 400kHz)Measurement Interval: Configurable, with default 5-minute cycles for low power.Package Includes1x Module

• Dual-Function Sensing - Simultaneously measures CO₂ (400–5000 ppm), temperature, and humidity for comprehensive indoor air quality monitoring.
• High Precision Performance - CO₂ accuracy of ±(40 ppm + 5% MV) and humidity accuracy of ±6%RH (typical) ensure reliable environmental data.
• Low Power Operation - Averages <0.4 mA at 5V with 1 measurement every 5 minutes, ideal for battery-powered or long-term monitoring applications.
• Integrated I2C Interface - 2.54mm pitch pin interface (GND, VDD, SCL, SDA) enables easy connection to microcontrollers and development boards.
• Intelligent Ventilation Control - Enables real-time adjustment of indoor ventilation systems based on CO₂ concentrations to maintain healthy, low-CO₂ environments.