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.

These light up paper circuit cards were much easier to make than I expected and only need a few inexpensive materials.

Discover how to create a functional DIY solar panel using a compact disc, copper foil, aluminum foil, and LEDs in this engaging science experiment. Watch as we assemble the components, connect the ...

For me, when I start a new project, I am not interested in directly copying an idea that is already out there. On the contrary, I find it more fulfilling to work to improve those ideas by adding new ...