> For the complete documentation index, see [llms.txt](https://help.atlas-control.app/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.atlas-control.app/main-overview/toolbar/external-controllers.md).

# External Controllers

<figure><img src="/files/rx2ZbwPQglCh56uJ96h8" alt=""><figcaption></figcaption></figure>

External devices will appear automatically in the toolbar when added within the ["Network Settings"](/show-settings/network.md#external-controllers)

#### OSC Receive/Transmit Indicator

These indicators will flash green when Atlas is receiving and transmitting OSC. &#x20;

{% hint style="danger" %}
Atlas requires a [license](/installation-licensing-and-requirements/licensing.md) to output OSC
{% endhint %}