There are so many nice hacks in [Joekutz]’s retro LED display project that it’s hard to know where to start. There’s his DIY LED display controlled by an Arduino UNO. To have some text or picture for ...
The project illustrates the assembly of a LED matrix display made in 16×24 Green SMD LED matrix. The matrix contains 16 rows which are controlled by a 4:16 de-mux using only 4 I/O pins. Two 8-channels ...