> For the complete documentation index, see [llms.txt](https://dev.tesa.or.th/tesa-developer/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://dev.tesa.or.th/tesa-developer/tesa-university-program/rt-thread-iot-os/university-program/edge-ai-workshop/external-irq-via-button.md).

# External IRQ via Button

<figure><img src="/files/eBLmUyeRhsrF81L6Ahvl" alt=""><figcaption></figcaption></figure>