Building an LED matrix is a fun project, but it can be a bit of a pain. Usually it starts with hand-soldering individual LEDs and resistors together, then hooking them up to rows and columns so ...

But are stencils good for anything else? It turns out they are, if you’ve got some plain old 8×8 LED matrix displays you want to jazz up a bit. In this case, [upir]’s displays were of the ...

Multiple ICs are envisaged controlling all the LEDs in a matrix, orchestrated by a central computer. There are two control bus options: UART in ‘A’ suffix versions and CAN Lite in B suffix versions.