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Item #:
100110775
SparkFun CO2 Humidity and Temperature Sensor - SCD41 Qwiic photoacoustic Measurement System Combines Narrow-Band IR Light and a Microphone, Board
90% of respondents would recommend this to a friend
Item #:
100110775
XCD 266
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Experience high-accuracy environmental readings with the next-generation SCD41 sensor featuring automatic self-calibration.
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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
Compact Design
Its small dimensions of 1.00 x 1.00 inches make it easy to integrate into various projects without occupying much space.
Photoacoustic Technology
Utilizes advanced photoacoustic measurement for accurate CO2 detection, outperforming traditional methods in precision and reliability.
Qwiic Compatibility
Designed with Qwiic connect system for seamless and easy integration with SparkFun's ecosystem, simplifying connections in your electronic projects.
Product Details
| Power Source | Corded Electric |
| Alarm | Visual |
| Sensor Type | Photoelectric |
| Product Style | Science, Engineering, Technology, Art, Math |
| Enclosure Material | iron |
| Brand | SparkFun |
| Model Number | SEN-22396 |
| Number of Items | 1 |
| Manufacturer | SparkFun Electronics |
| UPC | 845156013470 |
| Mfr Part Number | SEN-22396 |
| Unit Count | 1.0 Count |
| Built-In Media | Qwiic |
| Style | Science, Engineering, Technology, Art, Math |
| Material | iron |
| Item Weight | 0.2 lbs (90 grams) |
Who Should Buy?
-
Environmental Researchers
Ideal for researchers measuring air quality and carbon dioxide levels in various environments with high accuracy.
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DIY Electronics Enthusiasts
Great for hobbyists building custom sensors for home automation and monitoring systems using Qwiic connectivity.
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Educational Institutions
Useful for schools and universities offering hands-on learning experiences in environmental science and technology projects.
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Professional Industrial Use
Not suitable for high-demand industrial applications requiring extensive operational reliability and calibration consistency.
Product Description
SparkFun CO2 Humidity and Temperature Sensor - SCD41 Qwiic photoacoustic Measurement System Combines Narrow-Band IR Light and a Microphone, Board Dimensions: inches 1.00 x 1.00
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Customer Questions & Answers
-
Question:
What is the measurement range of the SCD41 sensor?
Answer: The SCD41 sensor can detect CO2 concentrations from 0 to 40000 ppm. -
Question:
How does the self-calibration feature work?
Answer: The sensor automatically adjusts to its environment over a seven-day calibration period. -
Question:
Is the SCD41 compatible with other systems?
Answer: Yes, it seamlessly integrates into Qwiic-based projects and has options for soldered connections.
SparkFun Temperature Probes & Sensors SEN-22396 Editorial Review
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Pros
- High accuracy measurements
- Compact and easy to integrate
- Fast response time
- Low power consumption
- User-friendly interface
Cons
- Requires some technical know-how for setup
Platform Trust & Buyer Confidence
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Jazz
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“Easy to use and always helpful and sorts any issues I've had past and present”
1 September 2026 · via Trustpilot
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Features & Benefits
- Next-generation SCD41 sensor for precise CO2, humidity, and temperature readings.
- Detects CO2 concentrations from 0 to 40000 ppm with high accuracy.
- Integrated temperature and humidity sensor for enhanced accuracy.
- Easy integration into Qwiic-based projects with a compact 1in. x 1in. design.
- Includes automatic self-calibration routine for optimal performance.
- Low power consumption mode available for one-shot measurement.
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