SCD41-D-R2

The SCD41-D-R2 is a CO2 and humidity sensor module featuring a dual-channel NDIR sensor for accurate and stable measurement of carbon dioxide (CO2) levels and humidity in various environmental conditions. It provides digital outputs and supports a wide measurement range, making it suitable for environmental monitoring and control applications.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

• VDD: Digital supply voltage
• GND: Ground connection
• SCL: I2C Serial Clock for communication
• SDA: I2C Serial Data for communication
• RDY: Ready signal indicating the availability of new measurement data

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the SCD41-D-R2 sensor module for a visual representation.

Key Features

• Dual-Channel NDIR Sensor: Provides accurate and stable CO2 and humidity measurements under varied environmental conditions.
• Wide Measurement Range: Supports a wide CO2 measurement range of 0-4000 ppm and humidity measurement range of 0-100% RH.
• Digital Outputs: Offers digital I2C communication for easy interfacing with microcontrollers and systems.
• Low Power Consumption: Operates at low power, suitable for battery-powered and portable applications.
• Compact Design: The compact form factor allows for easy integration into various monitoring and control systems.

Note: For detailed technical specifications, please refer to the SCD41-D-R2 datasheet.

Application

• Indoor Air Quality Monitoring: Ideal for monitoring and controlling CO2 levels and humidity in indoor environments such as offices, homes, and public facilities.
• HVAC Systems: Suitable for integration into HVAC systems to optimize ventilation and air quality management.
• Agricultural Greenhouses: Used for monitoring and controlling CO2 levels and humidity in greenhouse environments for optimal plant growth.

Functionality

The SCD41-D-R2 sensor module integrates a dual-channel NDIR sensor for accurate and stable measurement of CO2 and humidity levels. It provides digital outputs and is suitable for various environmental monitoring and control applications.

Usage Guide

• Power Supply: Connect VDD (Pin 1) to the digital supply voltage (1.8V - 3.6V).
• Communication: Use the SCL (Pin 3) and SDA (Pin 4) pins for I2C serial communication with a microcontroller or host system.
• Measurement Data: Monitor the RDY (Pin 5) signal to determine the availability of new measurement data.

Frequently Asked Questions

Q: What is the measurement range for CO2 levels with the SCD41-D-R2?
A: The SCD41-D-R2 supports a wide CO2 measurement range of 0-4000 ppm, allowing for accurate monitoring in various environments.

Q: Is the SCD41-D-R2 suitable for battery-powered applications?
A: Yes, the SCD41-D-R2 operates at low power and is suitable for battery-powered and portable applications requiring CO2 and humidity sensing.