Chaos to see LED illumination board

There many LED illumination boards nowadays. But the interesting is just 1st few days and never draw our attention after that, because the patterns are fixed and just repeated. So I designed this very simple circuit to be none fixed pattern of the illumination. If the children are young enough not to understand the aim, this simply is boring. Instead if students grown enough to understand the Chaos or Randomness, it would be different. So just enjoy with your brain!

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