> 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/radio/aeroelrs-2.4/pinout.md).

# Pinout

<figure><img src="/files/3xomdkswxCaQWYNYf2P0" alt="" width="563"><figcaption></figcaption></figure>

## Pinout

| Pin Label | Function                                             |
| --------- | ---------------------------------------------------- |
| RX        | Receiver UART RX (Control from FC)                   |
| TX        | Receiver UART TX (Telemetry to FC)                   |
| VCC       | Power Input (5V)                                     |
| GND       | Ground                                               |
| BOOT      | Firmware update mode (pull low on boot) *(Optional)* |

## &#x20;