> For the complete documentation index, see [llms.txt](https://docs.adti.camera/adti-camera-px4-or-ardupilot-setup/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.adti.camera/adti-camera-px4-or-ardupilot-setup/relay-setup-px4.md).

# Relay Setup- PX4

#### Step 1

Set the TRIG\_MODE to 1 to make the driver wait for the start command and reboot your FCU to obtain the remaining parameters.

<figure><img src="/files/ZRF6q5QAoMDAi3Ncdj0q" alt=""><figcaption></figcaption></figure>

#### Step 2

Configuring the trigger to operate in conjunction.

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

#### Step 3

Connect the ADTI camera to AUX port of your flight controller.

<figure><img src="/files/i7qwmDQO0CxSJ71J27qG" alt=""><figcaption></figcaption></figure>