Your Pi is way more capable then you think it is.

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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.

Thanks to their versatility, commodity-level pricing and the eye-popping visual effects they create, programmable LED strips have become a staple ingredient for both Maker-style projects and more ...