This is a tutorial about How to Set ESP32 WiFi Credential Without Re-programming. Just add 1 more step: Add 1 library and some codes to the original program, then you can set the ESP32 WiFi Credential with a phone.
Demo code: https://github.com/Makerfabs/Makerfab...
Instructable: https://www.instructables.com/Set-ESP...
Custom PCBA Service: https://www.makerfabs.cc/service.html