visi 4dHi, I have a question regarding how to write to an LED DITS widget. I am in the early stages of testing various widgets in the visi genie library so I have a variable that I would like toViSi-Genie: Connecting a 4D Display to an Arduino. Details. Number: 4D-AN-00017: Difficulty: Medium: Supported Processors: PICASO, DIABLO-16, PIXXI-28, PIXXI-44: Supported