# Page Not Found

The URL `chapter1/bpi-m2-magic-gpio-pin-define.html` does not exist.

You might be looking for one of these pages:
- [BPI-M2 Magic GPIO Pin define](https://bananapi.gitbook.io/banana-pi-bpi-m2-magic-iot-development-board/chapter1/bpi-m2-magic-gpio-pin-define.md)
- [BPI-M2 Magic WIFI interface](https://bananapi.gitbook.io/banana-pi-bpi-m2-magic-iot-development-board/chapter1/bpi-m2-magic-wifi-interface.md)
- [BPI-M2 Magic USB interface](https://bananapi.gitbook.io/banana-pi-bpi-m2-magic-iot-development-board/chapter1/bpi-m2-magic-usb-interface.md)
- [BPI-M2 Magic OTG interface](https://bananapi.gitbook.io/banana-pi-bpi-m2-magic-iot-development-board/chapter1/bpi-m2-magic-otg-interface.md)
- [BPI-M2 Magic schematic diagram](https://bananapi.gitbook.io/banana-pi-bpi-m2-magic-iot-development-board/chapter1/bpi-m2-magic-schematic-diagram.md)

## How to find the correct page

1. **Browse the full index**: [/sitemap.md](https://bananapi.gitbook.io/banana-pi-bpi-m2-magic-iot-development-board/sitemap.md) - Complete documentation index
2. **View the full content**: [/llms-full.txt](https://bananapi.gitbook.io/banana-pi-bpi-m2-magic-iot-development-board/llms-full.txt) - Full content export

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/banana-pi-bpi-m2-magic-iot-development-board/chapter1/bpi-m2-magic-gpio-pin-define.md`)
- Use `Accept: text/markdown` header for content negotiation