Hello everyone! I’m trying unsuccessfully to make my own Mod Duo X patches based on Cardinal plug in. There is a missing link I just cannot figure out. Can anyone help me step by step how to connect Cardinal app from the laptop with the Mod Duo X and how to transfer a Cardinal preset from the laptop to Mod Duo X? That missing link definitely contains some fundamental information i don’t know about making this devices communicate to one another. I appreciate any advice, thank you 
When you run the native/desktop version of Cardinal on your PC you can use the File->Deploy to MOD option (or F7 key) to push the current patch to the MOD unit via USB.
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Hello. I hope it’s going well for you.
Just some suggestions and best practices from my experience.
The version I have is File > Connect to Remote. When Auto deploy to remote is checked, you can make adjustments in your PC version (I use my DAW).
I like to open a clean pedalboard in the Duo with one Cardinal DISTRHO module. Once I like what I have I save the patch in the module. If I have more than one instance of the Cardinal module then I can’t control which version I’m pushing a patch to.
Patches that are too busy or use heavy processing like Plateau can cause the CPU to spike in the Duo. In those instances I will strip out the delays and reverbs then apply the Duo delay/reverb modules in the pedalboard.
My PC audio interface doesn’t support CV so I can’t build a patch with CV. I instead use the DISTRHO Cardinal Mini which has a limited amount of modules you can work with within the Duo.
Check for new versions of Cardinal from time to time. I just checked and there is a new one for me!
Have fun!
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Thank you for this info. I’m using an old MacBook Pro mid 2010 with macOS Big Sur forced to run on it with the OpenCore patcher. Unfortunately I still don’t get it how to make Cardinal app and Mod Duo X to communicate. And further how to transfer a Cardinal preset from the computer app (standalone or DAW plugin) to the Cardinal pedal in a DuoX pedalboard. Maybe some basic computer knowledge is missing. I tried “connect to remote” from the CardinalNative app and also from Ableton using Cardinal as a plugin. Do I have to connect DuoX firstly to the web browser interface? It just beats me.
Sorry you’re having this issue. I know that can be frustrating. The only thing I can think of is that your Mod Duo X needs to be connected via the USB computer port (B port) to your Mac in order to access the web GUI. For the MOD Duo X: http://modduox.local or http://192.168.51.1. Then you create a new pedalboard, bring in the Cardinal module, then open Cardinal from your Mac, then try “connect to remote”.
If you’ve already done that then perhaps there’s a network connection issue. I found this that might help.
https://wiki.mod.audio/wiki/Troubleshooting_Mac_OS_Network
If your connected to the GUI then check to ensure the Duo X system is up to date (lower right).
You could also try someone else’s computer to see if it works on a different system.
Good luck!
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It finally…works!!
If you’ve already done that then perhaps there’s a network connection issue. I found this that might help.
Troubleshooting Mac OS Network - MOD Wiki
It helped, there was a network connection issue. But still I don’t understand why, the web GUI was accessible, I could create any pedalboard with any pedals except for the Cardinal.
Anyway it was helpful. Thanx a lot!! 
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