This is out of sequence but I have been on a roll getting the driver electronics going and chasing hardware problems that caused driver chips to meltdown!

Here's a video of The Big Flipper running a simple test pattern:

And here's one of it streaming words fairly fast, actually about half the maximum update rate.

Sorry about the poor quality and the  mess in the workroom but these are in the nature of an interim update. And I suppose I should give back the ironing board.