Audi A3 8PA automatic day light sensor (DLR)
Inspired by this, the hard part of solving light switch logic was already done. Respect! DIY: https://www.elektronika.ba/870/automatic-headlight-sensor-mod-for-audi-a3-8p/ Used Polulo A-Star a32u4 Micro. Not what is in fritz drawing
The orginal design had also wiring so, that when 0-position line is "cut" the Low-Beam switch lines are "connected" (emulate switch perfectly). At least my car does not report error codes, just cutting the "0-position" switch line is enough car to think lights has been turned on.