Advanced Gas Sensor Module for CO2, Temperature, and Humidity Detection with I2C Communication (SCD41 Module)

♻️ Product Introduction:
The SCD40 and SCD41 gas sensor modules are cutting-edge devices engineered to monitor carbon dioxide (CO2) levels, along with temperature and humidity, delivering critical data for evaluating indoor air quality. Elevated CO2 concentrations can negatively affect human cognitive function and overall well-being, making accurate monitoring essential for creating a healthy indoor environment. Designed by Sensirion, the SCD40 sensor boasts high precision and exceptional cost-effectiveness, while the SCD41 expands measurement capabilities, allowing for detection of CO2 levels ranging from 400 to 5000 ppm. The compact design of these modules features a 2.54mm pitch pin interface for easy integration into various electronic systems.

🛠️ Advanced Features:
Both sensors utilize advanced technology to ensure reliable performance in diverse applications. They come equipped with integrated temperature and humidity sensors, enabling precise measurements that are temperature and humidity compensated. This intelligent design facilitates effective regulation of ventilation systems based on real-time CO2 concentration data, helping to maintain optimal air quality standards. The sensors are specifically crafted to operate in low power mode, minimizing energy consumption while providing consistent monitoring.

🔴 Specifications:
- Supply Voltage Range: 2.4 – 5.5 V
- Measurement Range (SCD40): 400 - 2000 ppm
- Measurement Range (SCD41): 400 - 5000 ppm
- Accuracy (CO2): 40 ppm + 5% of the measured value
- Digital Interface: I2C for seamless integration
- Response Time: 60 seconds
- Temperature Range: -10 to +60 °C
- Temperature Accuracy: 0.8 °C (in the 15 - 35 °C range)
- Humidity Range: 0 - 100% RH
- Humidity Accuracy: 6% RH (in the range of 15 °C - 35 °C and 20% RH - 65% RH)
- Physical Dimensions: 21 x 21 x 8 mm
- Weight: 2.5 g

👌 Connectivity:
The sensors are equipped with pins that allow easy connection to various microcontrollers and development boards, such as ESP32, ESP8266, Arduino Uno, and Raspberry Pi. This versatility enhances the sensors’ applicability across numerous projects and systems. Additionally, the modules feature their own pull-up resistors for the I2C bus, simplifying setup and integration.

🧩 In summary, the SCD40 and SCD41 gas sensor modules are essential tools for anyone looking to monitor indoor air quality effectively. By measuring CO2 levels, temperature, and humidity, they allow for better air management and contribute significantly to indoor safety and comfort.