64x16 led matrix

Using Arduino Programming Questions
#1

Hi

just got my Led Matrix and it is working great BUT…

the picture shows the display writing text but there is a block to the right that is blinking the letters out.
got the code from 64x16 RED Led Matrix

what i need help to is removing the red block at the end

cant poste code but is as an attachment

shortened_Final_Code_A.ino (17.5 KB)

#2

here is the picture

IMG_6882 (2).jpg
IMG_6882 (2).jpg3015×1096 736 KB

#3

the chips on the display is :

Controller SM74HC245D Driver SM74hc138d

have any one worked with them before...

#4