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.

Student Mars Kapadia has created an awesome pair of smart glasses for his school science fair, complete with a transparent OLED display. The wearable smart glasses are controlled by an Arduino Nano ...

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 ...