Arduino Pro Mini -> factory reset?

Hi, how can reset an Arduino Pro Mini 328 to factory defaults (delete everything)? Thanks!

Uploading a new sketch should get rid of the old one.

Why do you think you need to reset to 'factory defaults' ?

just upload an empty code i.e:

void setup() {
  // put your setup code here, to run once:

}

void loop() {
  // put your main code here, to run repeatedly:

}

Hi, thanks. Because I received several error messages when trying to upload the new code and I thought it might be necessary to delete everything...

Can you tell the forum what the error messages are ?

Sorry my fault, the problem is solved ... thanks!

It's always useful to explain the solution so others can benefit when they encounter the same issue.

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