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7Semi SCD40 CO2, Temperature and Humidity Sensor Breakout I2C


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₹2,708.10 inc. GST
₹2,295.00 ex. GST
The 7Semi SCD40 CO2, temperature, and humidity sensor breakout features an I2C interface for easy integration into projects. It is an ideal solution for monitoring environmental conditions accurately. View full description
₹2,708.10 inc. GST
₹2,295.00 ex. GST
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Accurately Measure CO2, Temperature & Humidity: The 7Semi SCD40 Sensor Breakout I2C

The 7Semi SCD40 CO2 Sensor Breakout I2C is a compact, high-performance sensor board designed for easy and cost-effective evaluation of Sensirion's SCD40 CO2 sensor. This sensor excels in measuring carbon dioxide (CO2) levels, temperature, and humidity, making it ideal for various applications.
Precise CO2 Detection
The SCD40 utilizes advanced photoacoustic technology to detect CO2 concentrations with exceptional accuracy. It boasts a measurement range of 400 ppm to 2000 ppm, with the highest accuracy (±(50 ppm + 5% of reading)) achieved within this range.
Integrated Environmental Sensors
For enhanced accuracy, the SCD40 incorporates built-in temperature and humidity sensors. These integrated sensors compensate for environmental fluctuations, ensuring reliable CO2 readings.
Low Power Consumption
The sensor operates in an ultra-low power consumption mode, making it suitable for battery-powered applications requiring continuous CO2 monitoring. This feature extends battery life and streamlines integration into portable devices.
Compact Design
Small form factor allows for integration into space-constrained projects.
Easy I2C Interface
The SCD40 breakout board features a user-friendly I2C interface for seamless communication with various microcontrollers and development boards. This simplifies integration and data acquisition processes.
Long-lasting Performance
The sensor offers a lengthy lifespan with minimal recalibration needs, ensuring long-term reliability and cost-effectiveness for CO2 level measurement across diverse environments.
Versatile Applications
With its compact size and exceptional performance, the 7Semi SCD40 CO2 Sensor Breakout I2C caters to a wide range of applications, including:
  • Indoor air quality monitoring
  • HVAC system optimization
  • Smart home automation
  • Building automation
SCD40 Specifications
  • Photoacoustic CO2 sensor technology (carbon dioxide sensor)
  • Integrated temperature and humidity sensor
  • Measurement range: 400 ppm – 2000 ppm
  • Accuracy: +-(50 ppm + 5 % of reading)
  • Current consumption: 17 mA (meas. rate = 5 s) / 0.5 mA (meas. rate = 5 min)
  • Fully calibrated and linearized
  • I2C digital interface

The 7Semi SCD40 CO2 Sensor Breakout is a versatile tool for developers, engineers, and hobbyists seeking a reliable and accurate solution for measuring CO2, temperature, and humidity.


SCD40 Breakout Dimensions


SCD40 carbon dioxide sensor Breakout I2C Arduino Connections


CO2 Sensor or Carbon Dioxide Sensor : A CO2 sensor / carbon dioxide sensor is a device used to measure the concentration of carbon dioxide (CO2) in the air. These sensors use various technologies, including infrared sensing and electrochemical detection, to detect and measure the levels of CO2 in the atmosphere. CO2 sensors / carbon dioxide sensors are commonly used in a wide range of applications, including indoor air quality monitoring, HVAC systems, and environmental monitoring. They are also used in industries such as agriculture, healthcare, and automotive to monitor and control CO2 levels. CO2 sensors / carbon dioxide sensors are important tools for ensuring the health and safety of individuals and the environment, as well as for improving energy efficiency and reducing carbon emissions.

Technical Specifications


Warranty Information

All the products supplied by Evelta are genuine and original. We offer 14 days replacement warranty in case of manufacturing defects. For more details, please visit our cancellation and returns page.

    3 Reviews

  • Posted by Dishant Raj on 23rd Feb 2023


    Easy to install and use

    This product was so easy to use. The setup instructions were clear and concise. I was able to get this product up and running within minutes of opening my package.

  • Posted by Lekhraj on 14th Feb 2023


    Sensor is great

    This sensor is great, it works as advertised and I haven’t had any issues with it.

  • Posted by Vikas Madan on 23rd Dec 2022


    Compact and swift resonse

    I could easily integrate this breakout with my Arduino board. The response of this sensor is very quick to change in environment. I have used 7Semi ES-12129 and a PM sensor to make a Air Quality Sensor for my home.