reference:
https://www.waveshare.com/rgb-matrix-p2.5-64x64.htm
comment dtparam=audio=on in /boot/config.txt
blacklist snd_bcm2835 in /etc/modprobe.d/blacklist-snd_bcm2835.conf
rpi-rgb-led-matrix/bindings/python
sudo apt-get update && sudo apt-get install python3-dev python3-pillow -y
make build-python PYTHON=$(command -v python3)
sudo make install-python PYTHON=$(command -v python3)Run demo like this:
sudo python3 ./graphics.py --led-cols=64 --led-rows=64 --led-chain=1 --led-no-hardware-pulse=true
--led-slowdown-gpio=<0..4>: Slowdown GPIO. Needed for faster Pis and/or slower panels (Default: 1).

