Hi guys!
After countless tries with Nuki Generic Bus, I wasn’t able to get the Opener working… but I was able to craft a solution for all of you, who can solder two wires
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First you need to disassemble the 40547 from the wall and remove the circuit board by removing the two screws
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On the right side, find the 2nd button from below and solder the BLUE and PURPLE cable of nuki to the button pads.
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Reassembly the board to the housing and screw it back on the wall
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Install the cables like before, just add the NUKI Wires like in the following picture:
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Open the Nuki App and configure a “Generic ANALOG” Device
Your Opener should now recieve door rings, execute Ring-to-open / manual door opening. The door opening will be done by simulating a button press by short cutting the button.
To make use of the ringing supression, put the second switch on the right side of your 40547 to mute and configure the Nuki Opener as a chime
I hope that can help you guys out
Cheers