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.

Are you just starting out with soldering and want to practice on a few cheap and easy projects? That’s exactly where I am in my microcontroller journey, and these are the simple projects I did first ...

When you think of Arduino projects, your mind likely goes straight to RFID door locks, weather sensors, or automated plant watering systems. While these are undeniably pretty cool projects, you might ...