Library and example for receiving data from and interacting with Honeywell HPM series particulate matter sensors using the Arduino platform. Includes calculation of AQI (air quality index). Please ...

Chapter 1, page 11 This code is basic but allows the reader to gain insight into key elements for several other projects in this book. It combines two pieces of code that are listed in the examples ...

When importing a Markdown file into the project, any code blocks wrapped in ```mermaid are incorrectly converted into plain code blocks (e.g., ```). This causes Mermaid diagrams to lose their ...