
SCD40 CO2 Temperature and Humidity Sensor Module I2C
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Advanced environmental sensing module featuring true CO2 measurement using Photoacoustic NDIR technology. The SCD40 sensor module delivers accurate carbon dioxide readings along with temperature and humidity data in a compact breakout board. Designed for Arduino, ESP32, Raspberry Pi, and STM32 projects, it enables reliable indoor air quality monitoring and smart automation systems. Available from BDTronics Bangladesh for professional-grade sensing applications.
Features:
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True CO2 sensing using Photoacoustic NDIR technology
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Compact breakout board ready for plug-and-play integration
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Measures CO2, temperature, and humidity in one module
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High accuracy CO2 detection (±50 ppm + 5% reading)
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Built-in Automatic Self-Calibration (ASC) for long-term accuracy
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I2C interface for easy communication with microcontrollers
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Onboard voltage regulation and pull-up resistors
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Small size suitable for portable and embedded applications
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Stable performance for indoor air quality monitoring
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Compatible with Arduino, ESP32, Raspberry Pi, STM32
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Reliable sensor module from BDTronics Bangladesh
Specifications:
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Sensor Core: SCD40 (Photoacoustic NDIR)
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Target Gas: Carbon Dioxide (CO2)
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CO2 Measurement Range: 400 ppm – 2000 ppm
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Accuracy: ±(50 ppm + 5% of reading)
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Temperature Range: -10°C to 60°C
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Humidity Range: 0% – 100% RH
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Interface: I2C (Address: 0x62)
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Supply Voltage: 3.3V – 5V (with onboard regulation)
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Form Factor: Breakout PCB with 4-pin header
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Output Data: CO2, Temperature, Humidity
Applications:
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Indoor air quality monitoring systems
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Smart home automation and HVAC control
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CO2-based ventilation systems
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Health and environment monitoring devices
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IoT environmental sensing projects
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Greenhouse and plant growth monitoring
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Portable air quality meters and wearables
How to Use:
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Solder the included 4-pin header to the module
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Connect VCC, GND, SDA, SCL to microcontroller
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Use I2C communication (default address 0x62)
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Install Sensirion SCD4x library in Arduino IDE
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Read CO2, temperature, and humidity data via code
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Place sensor in open air for accurate readings
Usage Tips:
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Do not block the air intake filter on the sensor
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Avoid placing near vibration sources (motors, buzzers)
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Use 3.3V for ESP32 and low-noise applications
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Allow time for sensor stabilization after power-on
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Ensure proper airflow for accurate CO2 measurement
Package Includes:
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1 x SCD40 CO2 Sensor Module
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1 x 4-Pin Header Strip
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General Questions
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What is the latest price of the SCD40 CO2 Temperature and Humidity Sensor Module I2C in Bangladesh?
The latest price of SCD40 CO2 Temperature and Humidity Sensor Module I2C in Bangladesh is Special Price BDT 2,399.00 Regular Price BDT 3,000.00 . You can buy the SCD40 CO2 Temperature and Humidity Sensor Module I2C at the best price on BDTronics.com or contact us via phone.
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Where to buy SCD40 CO2 Temperature and Humidity Sensor Module I2C in Bangladesh?
You can buy SCD40 CO2 Temperature and Humidity Sensor Module I2C online by ordering on BDTronics.com or directly collect by visiting our store in person. BDTronics is a trusted provider of high-quality electronics, 3D printers, solar systems, and robotics parts. We offer fast shipping across the country via courier service.
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What are the delivery options of SCD40 CO2 Temperature and Humidity Sensor Module I2C in Bangladesh?
We provide home delivery service all over Bangladesh. We support Cash on Delivery, Online Bank Transfer, bKash and Credit Card (Visa/ MasterCard/ Amex) payment solutions. The delivery time usually takes 1-2 days inside Dhaka and 2-4 days outside Dhaka.
