Here's the interior of my very first RTI controller (Gen 1):

And here's the interior of the just-completed version (call it Gen 4):

Here's the Gen 1 exterior:

And the Gen 4 equivalent:

Yup, controller box is completed and working properly. Which means I now have a crapload of instructions I need to post (and a how-to-use-the-damn-gizmo manual to write). And only two weeks to the Hackaday Prize submission deadline *gulp*. Onwards ...