Sometimes you have to adjust the layout by mirroring or rotating the matrix.
But if I connect more leds or more matrices through the input / output pins
only the first led or matrix works.
In reality, however, it is LEDs, strips and matrices are connected via the pins.
Last edited by arcachofo on Fri Dec 24, 2021 2:35 am; edited 1 time in total (Reason for editing : Marked as solved (green color))