Hello my friend thank you so much for take the time to answer me.
yes i mean that case that you say.
the matrix resulting in the display brightly illuminating all LEDs, even if i use lc.clearDisplay(0); don't happen anything. =(
im so sad for this issue, because i bought 6 matrix.
im from mexico sorry my english is not good, i bought the kit in this web site:
i don't know if this is enough to check my problem and try to contact the provider?