> For the complete documentation index, see [llms.txt](https://principiot.gitbook.io/principiot-docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://principiot.gitbook.io/principiot-docs/f7/pin-assignment.md).

# Pin Assignment

The PrincipIoT F7 Flight Controller has several connectors, expansion pins, and debug test points. These are detailed below.

## Top Side

<figure><img src="https://3721126180-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F1d6HD6HC2lbv2VoPI9qT%2Fuploads%2F1ZuzeFfoq2hWoqrF2d7S%2Fimage.png?alt=media&amp;token=b4162c5c-24df-46ae-bc3f-47ec797ea09a" alt=""><figcaption></figcaption></figure>

## Bottom Side

<figure><img src="https://3721126180-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F1d6HD6HC2lbv2VoPI9qT%2Fuploads%2FsGgzb1fFlofKRxlRVGkt%2Fimage.png?alt=media&amp;token=322100a1-f7e4-4a3b-8bf7-1241a82f6535" alt=""><figcaption></figcaption></figure>

## Debug Pins

![](https://3721126180-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F1d6HD6HC2lbv2VoPI9qT%2Fuploads%2F1hFSgY5mWy96hjSxyNI0%2F9.png?alt=media)