Product Description
The MQ131-H is the high concentration version of the MQ131 ozone sensor, designed for detecting ozone (O₃) levels in the 10–1000 ppm range. This sensor offers good sensitivity to O₃ and operates on the semiconductor detection principle, making it ideal for industrial and environmental applications.
The sensitivity and selectivity of the MQ131 sensor enable it to effectively detect and measure ozone levels, making it a valuable tool for applications such as air quality monitoring, ozone generators, and ozone leakage detection systems. By integrating the MQ131 sensor with appropriate electronic circuits and microcontrollers like Dasduino, you can create systems that enable real-time monitoring of ozone concentration and trigger alerts when dangerous levels are detected.
The breakout board provides digital and analog readings via the easyC system, allowing smooth integration with platforms that support this interface. Sensor data is easily accessible through easyC.
Product usage tips:
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When gas is detected, the LED will light up. It will remain off if no gas is detected.
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The board includes four mounting holes for easy installation.
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Comes with three male headers for UPDI programming the onboard ATTINY, which is not required for normal usage
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Product features
Complimentary technical support
In case you ever get stuck with using this product, you can count on us. We provide free, no-strings-attached technical support with this product. Just reach out to us with your questions, and we'll be there to help you.
easyC
easyC is a system for simple connection of microcontroller boards, sensors and actuators that enables fast prototyping without the possibility of error. The connection between the modules takes place with simple cables. easyC is based on I2C communication. Read more here.
Open-source
Open-source culture is rooted deep inside us, and that’s reflected in our products. This product follows the open-source principle. It was made with the community’s suggestions and needs in mind. With a modular design, it can be modified to your needs and incorporated into your projects. We provide all the design documentation needed free of charge on our Github repository.
Made in EU
Soldered products, designed and manufactured in Croatia, are thoroughly tested and meet the highest EU standards of quality and safety.
Key features
- Detects: ozone (O3)
- Voltage: 3V3
- Output: digital
- ATTiny404 microcontroller onboard
- easyC connectors
- Dimensions: 54 x 22 mm / 2.1 x 0.9 inch
Full product documentation 
Getting started with Arduino 
Arduino library 
Arduino library documentation 
Open Source Hardware files 
Pinout drawing 
Hardware details 
Product datasheet 
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