Code cannot be loaded to the Arduino "avrdude: stk500_getsync() attempt 10 of 10: not in sync: resp=0x00"
Arduino Nano ATmega328P COM 6
The Arduino Nano worked before. I tried another Arduino Nano --> no upload possible. The Code shows no failure. Serial Monitor / Plotter shows return Data from the Arduino from previous version of the Programm. The "Blink" Sketch kannot be uploaded as well.
So... the programms are good, the Arduino is connected (shows serial return data), the Arduino hardware is good (tried another one).
What ellse could be the reason for the failed code upload?