for those still interested in this old
and to a certain extend frustrating topic,
I rolled up my sleeves :
https://sites.google.com/view/ookraw
It´s a PowerPoint presentation on a
somewhat unorthodox approach, which
turned out to produce promising results.
I look forward to your comments;
a few prototype samples are at free disposal.
Nicely made, thanks for sharing this Felix!
Code and PCB are now available on
https://github.com/ookraw