Wow, your prop is exactly what I want to try to build for my first pneumatic prop. It looks really good and providing the schematic helps me understand the controller and hook-ups. So far I have gotten dizzying amount of acronyms on this forum that I am starting to get a basic knowledge of (BooBox, VSA, relays, DMX...). Your post helped a lot.
My question: Now that you are done, would you improve any the controller choices? Since I am brand new to all this, I would like to start with the best system. I've been reading that getting the VSA program to drive DMX compatible items is the latest thing. Is that the direction I should go or is that overkill (or underkill)? I'm warning you, I barely understand what I am saying
My prop will be a variation of the Creature Crate. It will be Dracula's coffin.