Originally Posted by Sly

Is Logic detecting your hardware? Check the Input Devices in your Logic preferences. If you are connecting everything through an audio interface and audio interface is being detected by Logic fine, you'll need to arm the track so that it can take your live input.

This video might get you headed in the right direction: https://www.youtube.com/watch?v=6xDBuXtQfEU

After you get Logic detecting your device fine, you'll need to do some controller mapping. Your board is essentially a controller, now you need to map it to the effects that you want to trigger on and off.

This might help: https://www.youtube.com/watch?v=Bm77G15H6zo