Discover a brilliant light hack to give your kitchen a fresh look without breaking the bank or spending hours on the project.

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.

Discover how to build a simple DIY projector using everyday materials like cardboard and a small flashlight or laser pointer.