Doorbell - Ikea Button

Hello all,
My electrician forgot the cable for the bell. So I had to make my bell Smart.

Here to I bought an Ikea button.
In addition, a normal front door bell button on Amazon:

https://www.amazon.de/Metzler-Edelstahl-Türklingel-Anthrazit-Pulverbeschichtung/dp/B08MF65MLV/ref=sr_1_7?-crid=1LOND0Y9N6VRN&keywords=klingel+haustür&qid=1656660094&sprefix=Klingel%2Caps%2C102&sr=8-7



In addition, I also bought a narrow button because the case should be as narrow as possible.

https://www.amazon.de/Metzler-Trade®-Ultra-flacher-Edelstahl-Taster-Schutzstandard-wasserabweisend/dp/B079Y62LRB/ref=sr_1_28?__mk_de_DE=ÅMÅŽÕÑ&crid=BLJP15VZV1AP&keywords=klingelknopf+dünn&qid=1656660600&sprefix=klingel+knopf+dünn%2Caps%2C108&sr=8-28

A little glue between the plate and our 3d - print.
Zack ready art

( THE RED CABLE was hat mistake - forget it! )
At the end still M1 x 4mm screws of it 5.
2 are for the circuit board
And 3 for the closure.

A little soldering setting in Hom