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.

Musically reactive DIY Christmas tree that transforms a familiar festive symbol into something that comes alive with every ...

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

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 ...

Unlock the power of everyday items with these three clever DIY life hacks! Learn how to craft a compact pen-light using a ballpoint pen, LED, and button cell battery, build a simple electric motor ...