fingerprint

I was trying to upload a code that is supposed to change module password. But I can't do anything after uploading the code. How to fix this issue?

Hey! I just registred here several moments ago because I am currently working on my own project and I've got a lot of questions on electronics, sensors, gadgets right now because the project requires a lot of knowledge in it but unfortunately I don't have, so I came here. Let's move on the...