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.
Ideas corner on MSN
DIY solar panel from a CD: Easy light-powered circuit project!
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 ...
These light up paper circuit cards were much easier to make than I expected and only need a few inexpensive materials.
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