February 1, 2010
about 5 years ago
I know the answer.i will put example program in somewhere,if i have time.but i can tell you now.Datasheet isn’t right for new Arduino board.
i have two LED Matrix and want connect togeter,
from datasheet i must use SPI interface and enter ‘%’ in my arduino program to change NUM_BOARDS,
but it’s no work,could you write example with how to change NUM_BOARDS for arduino ?
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