We have seen people do all kinds of things with old smartphones. Is This Good? has used a bunch of smartphones to create interactive butterflies. They come to life with movement and light, with your number creating unique patterns on the wings.
More like this ➡️ here
As Make explains, Raspberry Pi units are used to generate these patterns. The first digit determines the color, the second determines speed, and so on. Pretty cool, don’t you think?
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