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<img src="https://github.com/BestModules-Libraries/img/blob/main/BM22S3221-1_BMA56M322_V1.0.png" width="860" height="240"> 
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BM22S3221-1
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The BM22S3221-1 is a CO (Carbon Monoxide) Detector Digital Sensor from Best Modules, which uses the UART communication method. This document provides the description of the BM22S3221-1 Arduino Lib functions and how to install the Arduino Lib. The example uses the BMA56M322/BMA56M322A module to demonstrate the functions of alarm signal output and CO concentration read.

#### Applicable types:
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|Part No.   |Description                   |
|:---------:|:----------------------------:|
|BM22S3221-1|CO Detector Digital Sensor|
|BMA56M322  |On-board BM22S3221-1 Sensor|
|BMA56M322A |On-board BM22S3221-1 Sensor|

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This library can be installed via the Arduino Library manager. Search for **BM22S3221-1**. 

Repository Contents
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* **/examples** - Example sketches for the library (.ino). Run these from the Arduino IDE. 
* **/src** - Source files for the library (.cpp, .h).
* **keywords.txt** - Keywords from this library that will be highlighted in the Arduino IDE. 
* **library.properties** - General library properties for the Arduino package manager. 

Documentation 
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* **[BM22S3221-1 Arduino Library Description]( https://www.bestmodulescorp.com/bm22s3221-1.html#tab-product2 )** - Arduino Library Description.

Version History  
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* **V1.0.1**  
&emsp;&emsp;- Initial public release.
* **V1.0.2**  
&emsp;&emsp;- Revise the annotation content of some functions.  
&emsp;&emsp;- Add applicable models: BMA56M322A; 

License Information
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This product is _**open source**_! 

Please review the LICENSE.md file for license information. 

If you have any questions or concerns on licensing, please contact technical support on our BEST MODULES CORP. Email:service@bestmodulescorp.com

Distributed as-is; no warranty is given.

BEST MODULES CORP.
