Is it possible to do a diy apex vdm

[me & my baby]

i have don't the diy break out box was wonder if it is possible to do a diy vdmi I just need serveral of them

 

[dbl]

No direct help, but you may want to post (if you haven't already) this question in the Aquarium Controllers forum: https://www.reef2reef.com/forums/aquarium-controllers.393/. You may have better luck getting some help with your question.

 

[Windy]

what the heck is a "vdmi"?