Wireless Connection
Copy linux/update_web2rgbmatrix.sh to your MiSTer Scripts folder: /media/fat/Scripts/
Run "update_web2rgbmatrix.sh" on your MiSTer. This can be done from the console, ssh, or TV.
Modify your "/media/fat/web2rgbmatrix/web2rgbmatrix-user.ini" to include your rgbmatrix IP address or hostname. MiSTer does not support MDNS resolution.
HOSTNAME="192.168.1.100"
Optionally there are some other user reconfigurable options for the MiSTer service at the top of "/media/fat/web2rgbmatrix/web2rgbmatrix-system.ini". Copy any setting you would like to overwrite in your "/media/fat/web2rgbmatrix/web2rgbmatrix-user.ini" file.
Serial Connection
See MiSTer_tty2x project for software and setup instructions.
Reboot your MiSTer and test by changing cores.
update_web2rgbmatrix.sh