> For the complete documentation index, see [llms.txt](https://longer-vision-robot.gitbook.io/arduino-full-stack/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://longer-vision-robot.gitbook.io/arduino-full-stack/02_programming_grammar/08_libraries.md).

# 2.8 Arduino Libraries

In our course, two sources of Arduino libraries are recommended:

* [Arduino Official Libraries](https://www.arduino.cc/en/Reference/Libraries)
* [Adafruit Arduino Libraries](https://github.com/adafruit)