​As the project unfolds, I've planned to produce some content - could be a video, could be a doc - that details the process I'm going thru.  The first video in that series is posted now on YouTube and available for viewing at:  

This video really gives the top level and explains the basics of what an FPGA is, what the various components are that we're using and why, and how this is intended to interface to the Arduino.  Also some details on where all of my project resources are stored and how to get at them.