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 ...

If you need to leave someone a message, you could either entrust it to a Post-It note or you could go the slightly more obvious route and use a 12-foot long LED matrix. That's what kitesurfer did, ...

Even if surface-mount skills aren’t in your repertoire, chances are pretty good that most of us are at least familiar with SMD stencils. These paper-thin laser-cut steel sheets are a handy way to ...

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 ...