This expandable LED display for a microcontroller in Figure 1 has a simple interface with only 6 data/control wires and can be easily accommodated to a DIY design. The display has static indication.

MicroLED is an emissive display technology that works similarly to OLED (Organic Light Emitting Diode) displays, in that each one of its pixels lights up on its own, without the need of a separate ...