# External Controllers

<figure><img src="https://4121747729-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FmSmRU0BtlSOhG2HtpJOR%2Fuploads%2FcC0lpm0y5GX7jmUkkuU8%2FMain%20Window%20-%20Toolbar%20-%20External%20Devices.png?alt=media&#x26;token=1803b6af-74e5-4ba8-b3b1-f48c76100154" alt=""><figcaption></figcaption></figure>

External devices will appear automatically in the toolbar when added within the ["Network Settings"](https://help.atlas-control.app/show-settings/network#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](https://help.atlas-control.app/installation-licensing-and-requirements/licensing) to output OSC
{% endhint %}