Works on Zero but not on Zero 2 W

1

Hi all,

I have two 32x16 P10 1/4 scan matrix working fine on a Pi Zero - but it fails to work on a Pi Zero W.

I get a blip of LEDs lighting up but nothing more.

These are the settings I am using:

sudo ./demo -D9 --led-rows=16 --led-cols=32 --led-chain=2 --led-rgb-sequence=bgr --led-multiplexing=11 --led-gpio-mapping=adafruit-hat-pwm --led-show-refresh --led-pixel-mapper=V-mapper --led-slowdown-gpio=2

I’ve tried the slowdown - but that doesn’t help.

Does anyone have any pointers?

2

apologies for the issues with moderation.
If that helps, I just tried using a Zero 2 W myself and I had to increase --led-slowdown-gpio to higher values (3 and 4) for some to work. I would even try 5 just in case.
I’m assuming you are using the adafruit hat on both and that you have the correct multiplexing

3

please have a look at Rpi0 2w speed compared to rpi3a - #2 by marcmerlin