Is that a legitimate concern or am I over complicating it?
Also, could I not just use 1 arduino for the whole setup with octobars? 1 data pin for each set of 3 octobars (4 data pins total) and all sets sharing the same latch, clock, and enable pin?
But that suggests you will again have the TTL data, latch, and clock going farther than 10 feet.
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