I’ve got a Teensy 4.1 hooked up to my SmartLED V5 board and am trying to drive this 64x64 32S matrix. I’ve been able to load up the example sketches to the Teensy without issue, but the matrix doesn’t seem to light up. I’ve uncommented/updated the appropriate lines to configure the example sketches to my setup, verified that the matrix gets 5V power, and verified the ribbon cable connecting the shield to the matrix isn’t broken. Aside from either the matrix or shield being defective, I’m not sure what could be wrong.
Is there a way to check if the SmartLED shield is working properly? I have a digital analyzer I could hook up to the output pins. Also, is there a way I can manually turn on the matrix LEDs to verify the matrix isn’t broken? For example, could I drive one or a combination of pins high to turn a section of LEDs on?