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.

Recently, I was working on a project that needed a couple of LEDs on its front panel for status indication. I realize many, if not most, pieces of electronic equipment now use graphic LCDs, Bluetooth ...

The Raspberry Pi Pico is not like traditional Raspberry Pi models. It's not even similar to the compact Raspberry Pi Zero. While other models are microcomputers, the Raspberry Pi Pico is a ...