Qr Code Door Lock Using Arduino

Arduino code in video description.
Qr code door lock using arduino. It validates the qr code by comparing it with the qr codes stored in the database. If it is valid it sends a signal to the arduino board connected to it and moves the servo m otor to unlock the door. Im attempting to create a qr scanner with my iphone app to open a door lock using an arduino uno. Arduino nano v3 hc 06 bt module relay modul 1 channel electrick lock there is 2 type im use which need power to open thank you.
Just start the app scan the qr code and open the door fully automatic. I am not sure how to connect the arduino to the app on my phone. Esp32cam qr code based door lock system qr code based door lock system using esp32 cam unlock front door via qr code. The lockmate scanner runs on an android device fixed to the lock itself an d scans any qr code presented to it by the user.
Esp32cam qr code reader esp3.