I'm trying to compile and upload a tf lite sketch(here ist the sketch). The first times I tried it, the sketch uploaded successfully but the serial port was unavailable. To get it to work again I had to unplug the Arduino and plug it in again, then I could reupload the sketch.
When I tried the same thing with another sketch, it worked as it should. After doing so several times and trying to debug the error, the Arduino stopped initializing the Serial port at all and I couldn't get a response from the Arduino.
So I ordered a new one, because I suspected that the Arduino broke due to some kind of physical issue, but the exact same thing happened to the second one(I Have tested it another computer).
So, how to proceed, how to debug something like this?
Greets from Germany!