@wwatson - Thanks for the detailed breakdown and history of this project. It is and will be a great help for our team at SparkFun!
While we can't be sure of all the details in the final product, starting with something that is working and can...
HI All -
First - this is a awesome project with great results. Not the easiest hardware/software problems to solve!
We were contacted recently by @Dogbone06 about this project and if SparkFun would be interested. Our answer is absolutely...