After ditching the attempts on bluetooth and 3 hours of soldering and sawing I got a very first prototype that shows off image transfer (WiFi now) and tests lighting and overall performance. It incorporates a revolutionary wooden mediator board that enables connection to a swan neck. ;-)
So I can very proudly present the very dirty (of course) view at the space behind my washing machine.
After pushing that one back in its corner (below the kitchen work surface) I wanted to check if I bent any of the tubes. Now I can.