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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3 creative DIY gadgets with ball bearings: fidget spinners, LED effects & smartphone lens!
Explore three innovative DIY projects in this video, each utilizing ball bearings to create unique spinning gadgets. Learn how to craft a smartphone macro lens and light painting tool, an LED-enhanced ...
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