Triggering an On/Off Switch to turn on/off external led strips using a Pixhawk and a Spektrum DX7s

Hi,

I have an X8 from 3DR Robotics and I'd like to add some led strips that can be turned on and off through my Spektrum DX7s. I bought an on/off switch and I connected it to an Aux port on my Pixhawk (Aux out 5 or 6). But I don't know how to "conncec

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