That was precisely the inspiration for DoMSnif, the dot matrix LCD sniffer that [Blecky] has been working on. Originally the project started ... up between the display and the main board of ...

For the most part, the build is what you would expect: a 16×8 LED Matrix display driven by a TLC5920 ... and other details on his Hackaday.io project page, but first, swing down below the ...

The project had yet to be released ... LEDs to the board and get more LED functionality than just the 7 x 10px matrix display ...