> For the complete documentation index, see [llms.txt](https://doc.naucode.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://doc.naucode.com/tu-van-thuc-thi/dich-vu-phat-trien-san-pham/3.-ung-dung-giao-tiep-voi-phan-cung.md).

# 3. Ứng dụng giao tiếp với phần cứng