[BUG] the ScrollingAlphabet example works abnormally while adjusts the brightness.

[marryton007]

Hardware: wemos D1 r1 + P10 LED matrix
Arduino version: 1.8.10
DMD2: 0.0.3

follow by the follow issue, I connect the D1 and LED matrix
#7 (comment)

It works fine on the original ScrollingAlphabet example. But when I changed the brightness value which less than 255, the led matrix displays abnormal, it seems that print so many characters during one second.

[tehniq3]

I have same issue.... brigness work just at maximum (255)

[YoppieBassBuzz]

brightness < 255 wifi SoftAP and delay function not work