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.

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Nick is a Features author who's been writing for fellow tech geeks since 2011. While he's mostly focused on phones, he's also thrilled by cameras and audio gear of all shapes and sizes. On weekends, ...

Here are some easy ways to give your home a makeover this bank holiday ...