@felmue Felix, thanks for your response.
This indeed works.
Trying to read/write some other registers (digital in) no luck yet, but at least there is some progress.
Thanks again.
Hi I although try to play a soundfile .wav in UIFlow 2 but could not get it running because i dont know how to use the function.
In UIFlow1 it was clear with the play sd card .wav block. but how to do in UIFlow 2 ? with this Bytearray puzzle tile ?