Description
Accurately Measure CO2, Temperature & Humidity: The 7Semi SCD40 Sensor Breakout I2C
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Indoor air quality monitoring
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HVAC system optimization
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Smart home automation
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Building automation
- 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.
- Sensirion I2C SCD4x Arduino Library (Library for the SCD4X sensor family by Sensirion Enables you to use the SCD40 and SCD41 sensors via I2C.)
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.
FAQs:
Q: What parameters does the 7SEMI SCD40 Sensor measure?
A: The 7SEMI SCD40 Sensor measures CO2 concentration, temperature, and humidity. It provides comprehensive environmental data for air quality monitoring.
Q: How is the 7SEMI SCD40 Sensor connected to a microcontroller?
A: The 7SEMI SCD40 Sensor connects to a microcontroller via the I2C interface. It has dedicated SDA and SCL pins for seamless integration with compatible development boards.
Q: What is the measurement range for CO2 concentration on the SCD40 Sensor?
A: The 7SEMI SCD40 Sensor measures CO2 concentration in the range of 400 to 2000 ppm, making it suitable for indoor air quality applications.
Q: What is the accuracy of the temperature and humidity measurements?
A: The SCD40 Sensor offers high accuracy for temperature measurements (±0.5°C) and humidity measurements (±3% RH). This ensures reliable environmental monitoring.
Q: What power supply is required for the 7SEMI SCD40 Sensor?
A: The SCD40 Sensor requires a 3.3V to 5V DC power supply. Ensure that your power source provides a stable voltage within this range for optimal sensor performance.
Q: Can the SCD40 Sensor be used in outdoor environments?
A: The SCD40 Sensor is designed primarily for indoor use. For outdoor applications, it should be housed in a protective enclosure to shield it from harsh environmental conditions.
Q: What applications is the 7SEMI SCD40 Sensor suitable for?
A: The 7SEMI SCD40 Sensor is ideal for indoor air quality monitoring, HVAC systems, greenhouses, and other applications requiring precise measurement of CO2, temperature, and humidity levels.
Q: Are there any software libraries available for the SCD40 Sensor?
A: Yes, there are software libraries available for the SCD40 Sensor that support popular development environments like Arduino and Raspberry Pi. These libraries facilitate easy integration and data reading.
Q: How do you calibrate the 7SEMI SCD40 Sensor?
A: The SCD40 Sensor features automatic self-calibration. For manual calibration, refer to the sensor's datasheet and use standard reference gases or conditions for accurate calibration.
Q: What is the response time of the SCD40 Sensor for CO2 measurements?
A: The SCD40 Sensor has a rapid response time for CO2 measurements, typically within seconds, allowing for real-time monitoring and quick detection of changes in CO2 levels.