Try reducing the number of matrices in each zone as a test. MAybe start at 4, and increase by 1 each time until the problem appears. That may give me a clue.
What Arduino processor hardware are you running this on?
Try reducing the number of matrices in each zone as a test. MAybe start at 4, and increase by 1 each time until the problem appears. That may give me a clue.
What Arduino processor hardware are you running this on?