This kit is now discontinued. We've upgraded the Adafruit Motor Shield v1 to v2, with stacking-support and higher-current motor drivers, Please check out the v2 shield - its much better! Here is a ...
Merging data from more than one source is not implemented. The goal of the E1.31 standard is to replace it with the priority concept. Maybe priority per channel (ETC start code DD) merge will ...