> For the complete documentation index, see [llms.txt](https://teravolt.gitbook.io/teravolt/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://teravolt.gitbook.io/teravolt/gps/aeronav-mini/pinout.md).

# Pinout

<figure><img src="/files/VhClmzvWveOtfIbC671p" alt=""><figcaption></figcaption></figure>

### UART / I2C Port

The module uses a 6-pin and 4-pin  JST-GH connector following the Pixhawk standard.

<table data-header-hidden><thead><tr><th width="83.02734375" valign="top"></th><th valign="top"></th><th valign="top"></th><th valign="top"></th></tr></thead><tbody><tr><td valign="top">Pin</td><td valign="top">Name</td><td valign="top">Direction</td><td valign="top">Description</td></tr><tr><td valign="top">1</td><td valign="top">5V</td><td valign="top">Input</td><td valign="top">Power input (regulated 5V)</td></tr><tr><td valign="top">2</td><td valign="top">RX</td><td valign="top">Input</td><td valign="top">UART RX (to GNSS module)</td></tr><tr><td valign="top">3</td><td valign="top">TX</td><td valign="top">Output</td><td valign="top">UART TX (from GNSS module)</td></tr><tr><td valign="top">4</td><td valign="top">SCL</td><td valign="top">Output</td><td valign="top">I²C Clock for BMM350 (3.3V logic)</td></tr><tr><td valign="top">5</td><td valign="top">SDA</td><td valign="top">Bidirectional</td><td valign="top">I²C Data for BMM350 (3.3V logic)</td></tr><tr><td valign="top">6</td><td valign="top">GND</td><td valign="top">—</td><td valign="top">Ground</td></tr></tbody></table>
