The new/used unadulterated Serial interface board is working perfectly!

Just a quick update, graphics are working now.  This is a custom programmed font.

I made a quick-and-dirty Excel spreadsheet to do the calculations…

You can see the numeric values in the spreadsheet entered directly into the DATA fields within the Basic program…

A quick preview of things to-come… Testing out some QR code custom graphics/fonts:

Next update in a few minutes, consolidating a couple of nights worth of snowed-in work into a few minutes of actual blogging.  🙂