To do so, the Arduino was set up to monitor the BUSY ... If you’ve never seen two grown men whoop and cheer over a dot matrix before, I’d wager you haven’t spent much time around Hackaday ...
These Plessey dot-matrix displays are a perfect example of that. We’re not sure where [Michael] scored these displays, but they look fantastic. Each 8-pin DIP has two 5×7-matrix, high ...