I will build a patch in order your interface to be used with LightRegie120ub, the Universal Binary version of LR120x. I’m happy an Intel Max External exists here. We’d love to get some help from someone with a Windows box out there…) Udmx_1_2.tar.gz (315kB) includes the original Eagle-Light files for schematics and board layout, the firmware and bootloader, and a handy external for MAX/MSP (Mac only, for the moment.
If you transmit channels 6-12 for example, uDMX will send channels 0-12 only, giving shorter packets = faster transmission.