PaulS:
Some Serial.print()s in this code will tell you where you are going wrong. Why are there none?
I've watched with Serial.println () but that the reset occurs at different times if I change the code.
PaulS:
for(i=0; i<TAILLE_NUM_UTI-1; i++) numString[i]=myFile.read();Suppose you read past the end of the file. Then what happens?
I normally can not to be at the end of the file, I read the first 8 characters of a great line.