> For the complete documentation index, see [llms.txt](https://docs.xbstation.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.xbstation.com/xblink-mini/user-manual/getting-started/interfaces.md).

# Interfaces

<figure><img src="https://files.gitbook.com/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FTEnid8slfk8yG87EyboI%2Fuploads%2F5wHODvjijodemmUnnzvL%2FScreenshot%202026-01-30%20121832.png?alt=media&#x26;token=cec65580-ed28-4c6b-880b-06fc170a414d" alt=""><figcaption></figcaption></figure>

## Interface Function Map

## Connectors

<table data-header-hidden><thead><tr><th width="141">ID</th><th>Name</th><th>Connector</th><th>Description</th></tr></thead><tbody><tr><td><strong>ID</strong></td><td><strong>Name</strong></td><td><strong>Connector</strong></td><td><strong>Description</strong></td></tr><tr><td>J1</td><td>USB</td><td>USB Type-C</td><td>External Hardware (XBCam)</td></tr><tr><td>J2</td><td>USB</td><td>USB Type-C</td><td>External Hardware (XBCam)</td></tr><tr><td>J3</td><td>COM1/AUX</td><td>JST GH 6pin</td><td>Connect Flight controller or extend payload</td></tr><tr><td>J4</td><td>UPGR</td><td>Micro USB</td><td>Upgrade Firmware</td></tr><tr><td>J5</td><td>Power</td><td>Micro-Lock Plus 4pin</td><td>Power Input</td></tr></tbody></table>

## Pinout

#### COM1/AUX (J3)

| **Pin** | **Description**   |
| ------- | ----------------- |
| 1       | VBUS 5V 2A        |
| 2       | UART1\_RX (ttyS0) |
| 3       | UART1\_TX (ttyS0) |
| 4       | Pixhawk\_Trigger  |
| 5       | Hotshow\_Out      |
| 6       | GND               |

#### Power(J8)

| **Pin** | **Description** |
| ------- | --------------- |
| 1       | GND             |
| 2       | GND             |
| 3       | 7-30V Input     |
| 4       | 7-30V Input     |